[Event "Chinese-ch Men 2020"] [Site "Xinghua"] [Date "2020.12.19"] [Round "1.1"] [White "Lin, Yi"] [Black "Xu, Xiangyu"] [Result "0-1"] [ECO "E48"] [WhiteElo "2408"] [BlackElo "2573"] [Annotator "TA"] [PlyCount "101"] [EventDate "2020.12.19"] [EventType "tourn"] [EventCountry "CHN"] [SourceTitle "playchess.com"] [Source "ChessBase"] [SourceQuality "1"] {[%evp 20,101,0,-18,-5,-10,2,0,0,0,0,0,0,0,35,23,64,0,0,0,0,0,0,0,0,0,0,0,0,-1, 0,0,0,0,0,0,0,-21,-19,-19,-19,-19,-21,-20,-18,-14,-14,-14,-16,-14,-10,-69,-70, -46,-40,-50,-54,-75,-72,-82,-66,-143,-170,-789,-779,-752,-627,-1245,-927, -29956,-29957,-29965,-29966,-29966,-29962,-1672,-29962,-29979,-29980,-29981, -29982,-29982,-29983,-29983]} 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 c5 5. Bd3 Nc6 6. Nge2 d5 7. a3 cxd4 8. exd4 dxc4 9. Bxc4 Be7 10. O-O O-O 11. Bg5 h6 $5 { [%mdl 4] Leaves trodden paths. E48: Nimzo-Indian: Rubinstein: 5 Bd3 d5 including 6 Ne2, but excluding 6 a3.} 12. Bh4 b6 13. Qd3 Bb7 {The position is equal.} 14. Rad1 Nh5 {[#]} 15. Bxe7 $146 ({Predecessor:} 15. Bg3 Nxg3 16. hxg3 Bf6 17. Ba6 Bxa6 18. Qxa6 Nxd4 19. Nxd4 Bxd4 20. Ne2 e5 21. Nxd4 exd4 {1/2-1/2 (29) Suleymanli,A (2334)-Simantsev,M (2395) Marmaris 2019}) 15... Qxe7 16. Ba2 Rad8 17. d5 Qh4 18. Qc4 (18. Qb5 $14 Ne5 19. h3) 18... Qxc4 $11 19. Bxc4 Ne5 20. Ba2 exd5 21. Bxd5 Ba6 22. b4 Nf6 {White must now prevent ...Bxe2.} 23. Bb3 Rfe8 24. Rxd8 Rxd8 25. Rd1 $1 {[%CAl Rd1d8]} Rxd1+ 26. Bxd1 Nc4 27. a4 Nb2 28. Bc2 Bxe2 29. Nxe2 {[%mdl 4096] Endgame KBN-KNN} Nd5 30. b5 Nb4 31. Bb3 N4d3 32. Nd4 Nc5 33. Bc2 Nbxa4 34. Nc6 Kf8 35. f3 (35. Kf1 $11) 35... Ke8 $15 36. Nxa7 Kd7 37. Kf2 Nc3 38. Ke3 {[#]} Nd5+ $1 39. Kd4 Ne7 40. Be4 ({Better is} 40. Bb1 $15) 40... Nxe4 $17 41. fxe4 $2 {KN-KN} (41. Kxe4 f6 42. g4) 41... f6 $19 42. e5 Kc7 43. h4 {[#]} Kb7 $1 {[%CAl Rb7a7]} 44. exf6 gxf6 45. Nc6 Nxc6+ {KN-K3P} 46. Kd5 Na7 47. Ke6 Nxb5 48. Kxf6 {Black mates.} Nd6 49. g4 b5 50. Ke5 Kc6 51. Kd4 {Weighted Error Value: White=0.53/Black=0.02} 0-1 [Event "Chinese-ch Men 2020"] [Site "Xinghua"] [Date "2020.12.19"] [Round "1.2"] [White "Bai, Jinshi"] [Black "Huang, Renjie"] [Result "1/2-1/2"] [ECO "D10"] [WhiteElo "2618"] [BlackElo "2422"] [Annotator "TA"] [PlyCount "84"] [EventDate "2020.12.19"] [EventType "tourn"] [EventCountry "CHN"] [SourceTitle "playchess.com"] [Source "ChessBase"] [SourceQuality "1"] {[%evp 13,84,8,8,9,9,10,8,8,9,12,6,14,20,24,45,21,45,36,44,20,26,25,32,32,41, 29,60,66,79,40,78,68,70,82,83,70,125,64,66,57,70,68,96,61,92,83,99,81,80,67,90, 88,87,89,84,2,2,0,0,0,0,0,8,7,7,0,0,0,0,0,0,0,0]} 1. d4 d5 2. c4 c6 3. cxd5 cxd5 4. Bf4 Nf6 5. Nc3 Nc6 6. e3 Bf5 7. Qb3 Na5 $1 {[%CAl Ra5b3]} 8. Qa4+ { D10: Slav Defence: 3 cxd5 (without early Nf3) and 3 Nc3.} Bd7 9. Qc2 {White wants to play Nb5.} e6 10. Bd3 Be7 {10...Bb4 is setting a new trend.} 11. Nf3 Rc8 12. h3 O-O 13. O-O h6 14. Ne5 Nc6 15. Qe2 {[#]} Bb4 $146 ({Predecessor:} 15... Be8 16. Rac1 Nd7 17. Nxc6 Rxc6 18. e4 Bg5 19. Bxg5 Qxg5 20. f4 Qe7 21. exd5 Rd6 {1-0 (117) Goltseva,E (2317)-Afonasieva,A (2312) Sochi 2019}) 16. Rac1 (16. Rfc1 {looks sharper.} Nxe5 17. Bxe5 a6 18. a3 Be7 19. Rc2) 16... Nxe5 17. dxe5 Bxc3 18. bxc3 {[%CAl Bb2c3,Bc3c4][%mdl 32]} Ne4 19. c4 Qa5 20. Qg4 { Threatens to win with Bxh6.} Kh8 21. Qh4 Kg8 {[#]} ({Don't blunder} 21... Qxa2 $2 22. Bxh6 $1 {[%mdl 512]} gxh6 23. Qxh6+ Kg8 24. f3 $18) 22. f3 $1 {[%CAl Rf3e4]} Nc5 23. Bb1 Qd8 24. Qh5 d4 (24... Na4 $14) 25. Qg4 ({Don't play} 25. exd4 $6 Be8 $11) (25. Rcd1 $16 {Bxh6! is the strong threat.} d3 26. Bxd3) 25... f5 $14 26. exf6 $1 Qxf6 27. Qg3 {Strongly threatening Be5.} dxe3 28. Bxe3 e5 29. Rfd1 {aiming for Bxc5.} Be6 30. Rd6 b6 31. Rcd1 Kh8 32. Bxc5 Rxc5 33. Be4 { Hoping for Bd5.} Qf7 34. a3 (34. Rd8 $16 Qg8 35. Qh4) 34... Bf5 $11 {The position is equal.} 35. Bxf5 (35. R1d5 {is interesting.} Bxe4 36. Rxc5 bxc5 37. fxe4 Qxc4 38. Qxe5 Qc1+ 39. Kh2) 35... Qxf5 36. R6d5 Qf4 37. Qxf4 Rxf4 38. Rxc5 bxc5 {KR-KR} 39. Rd5 Rxc4 40. Rxe5 Rc3 41. a4 Ra3 42. Rxc5 {Black must now prevent Ra5.} Rxa4 {Accuracy: White = 84%, Black = 88%.} 1/2-1/2 [Event "Chinese-ch Men 2020"] [Site "Xinghua"] [Date "2020.12.19"] [Round "1.3"] [White "Wei, Yi"] [Black "Ju, Wenjun"] [Result "1/2-1/2"] [ECO "A09"] [WhiteElo "2732"] [BlackElo "2560"] [Annotator "TA"] [PlyCount "119"] [EventDate "2020.12.19"] [EventType "tourn"] [EventCountry "CHN"] [SourceTitle "playchess.com"] [Source "ChessBase"] [SourceQuality "1"] {[%evp 9,119,-6,8,8,0,8,0,-31,-10,-20,14,-81,-59,-62,-56,-84,-65,-65,-47,-48, -44,-54,-51,-122,-102,-107,-107,-113,-118,-129,-116,-121,-112,-97,-71,-114,-55, -55,-55,-97,-80,-120,-114,-124,-125,-100,-69,-140,-140,-140,-140,-140,-133, -133,-125,-128,-65,-66,-73,-79,-82,-118,-126,-171,-162,-164,-158,-156,-155, -147,-106,-106,-106,-106,-106,-107,-96,-83,-73,-154,-148,-153,-111,-147,-29, -51,-64,-218,-216,-214,-214,-211,-156,-207,-111,-157,-104,-108,0,0,0,0,0,0,0,0, 0,0,0,0,0,0]} 1. Nf3 d5 2. c4 d4 3. b4 c5 4. g3 cxb4 5. a3 bxa3 6. Bg2 { A09: Réti Opening: 1 Nf3 d5 2 c4.} Nc6 7. O-O {seems to push 7.Bxa3 aside.} e5 8. Qa4 {White wants to play Nxe5.} Bd7 9. d3 Nf6 {[#]} 10. Bg5 $146 (10. Bxa3 $11 {remains equal.} Qc7 11. Bxf8 Kxf8 12. Qa3+ Kg8 13. Nbd2) ({Predecessor:} 10. Bxa3 Be7 11. Bxe7 Qxe7 12. Qa3 a6 13. Nbd2 Qxa3 14. Rxa3 O-O 15. Rb1 Rab8 16. Rab3 {0-1 (44) Herrera Reyes,J (2304)-Cornette,M (2556) chess.com INT 2020} ) 10... Be7 11. Nxa3 O-O 12. Nd2 a6 13. Bxf6 Bxf6 14. Rfb1 Rb8 15. c5 Be7 16. Ne4 (16. Nb3 $1 $15) 16... Na5 $36 {[%mdl 2048] Black is on the roll.} 17. Qc2 Qc7 18. Nc4 Nxc4 19. Qxc4 Rfc8 20. Qb4 h6 21. h4 Bc6 22. Rc1 Bxe4 ({Black should play} 22... Qd7 $17 23. Qb6 g6) 23. Bxe4 $15 Bxc5 24. Qa4 Qd8 25. Rab1 Bd6 26. Rd1 Rc7 27. Qa5 Qd7 28. Rd2 (28. Rdc1 $15) 28... Qc8 $17 29. Ra2 Rc1+ 30. Rxc1 Qxc1+ 31. Kg2 Qc7 32. Qa4 h5 ({Black should try} 32... Bc5 $17 33. h5 Kf8) 33. Rc2 $15 Qd8 34. Rb2 Qe7 35. Qc4 b5 36. Qc6 Ba3 37. Rc2 Qd6 38. Qxd6 Bxd6 $17 {[%mdl 4096] Endgame KRB-KRB} 39. Rc6 Bf8 40. Bd5 Rd8 41. Ba2 Rd6 $1 { [%CAl Rd6c6]} 42. Rc5 Rb6 43. Rxe5 g6 44. Re4 (44. Re8 $142) 44... a5 45. Rxd4 Rb7 46. Rd8 a4 (46... b4 $17 {...b3 is the strong threat.} 47. Bb3 a4 $1 { [%mdl 512]} 48. Bxa4 b3) 47. Ra8 $11 a3 48. Kf3 $2 {[#]} (48. Ra6 $15) 48... b4 $1 $19 {[%CAl Rb4b3] And now ...b3 would win.} 49. Bb3 Rc7 50. Rb8 Kg7 51. Rb5 (51. Kg2 $17) 51... Bc5 (51... Rc3 $19 52. Ba2 Rc2) 52. e3 Be7 (52... Bd6 $142 53. Bd5 Rc3) 53. Bd5 $17 {[#]} Kf8 ({Better is} 53... Rc3 $1 $17 {White must now prevent ...b3.} 54. Rb7 Rxd3) 54. Rb8+ $1 $11 {The position is equal.} Kg7 55. d4 Rd7 56. Bb3 Rc7 57. Bd5 $1 Ra7 {Threatens to win with ...a2.} 58. Ba2 Rc7 59. Bd5 Ra7 {Strongly threatening ...a2.} 60. Ba2 {Whites escaped into a draw. Weighted Error Value: White=0.18/Black=0.18} 1/2-1/2 [Event "Chinese-ch Men 2020"] [Site "Xinghua"] [Date "2020.12.19"] [Round "1.4"] [White "Lu, Shanglei"] [Black "Zhang, Rui"] [Result "1-0"] [ECO "C55"] [WhiteElo "2615"] [BlackElo "1658"] [Annotator "TA"] [PlyCount "111"] [EventDate "2020.12.19"] [EventType "tourn"] [EventCountry "CHN"] [SourceTitle "playchess.com"] [Source "ChessBase"] [SourceQuality "1"] {[%evp 13,111,43,46,29,46,43,46,46,51,52,84,76,79,79,120,116,126,116,131,130, 135,132,162,163,158,156,160,154,189,179,193,187,326,356,356,347,331,318,325, 333,420,429,468,465,510,537,508,505,562,583,581,570,569,559,552,543,590,579, 569,554,600,599,718,713,925,831,880,848,848,839,817,774,1095,1032,1043,961, 1050,943,921,900,866,845,819,799,1094,1217,2120,2116,2060,1953,2442,2384,1777, 1658,29986,29987,29987,29988,29982,29983]} 1. e4 e5 2. Bc4 Nf6 3. d3 Nc6 4. Nf3 Be7 5. O-O O-O 6. Re1 d6 7. a4 Bg4 8. h3 {C55: Two Knights: 4 d3, 4 d4 exd4 5 e5 and Max Lange Attack.} Bh5 9. c3 Na5 10. Ba2 {White is slightly better.} c5 11. Nbd2 {[%CAl Bb1d2,Bd2f1,Bf1e3][%mdl 32] [#]} Qc7 $146 ({Predecessor:} 11... Nc6 12. Nf1 Bg6 13. Ng3 Nh5 14. Nxe5 Nxe5 15. Nxh5 Bxh5 16. Qxh5 Nxd3 17. Rd1 Nxc1 18. Raxc1 {1-0 (87) Obrusnik,M (2268)-Przybylski,W (2320) Katowice 2017}) 12. Nf1 Rfd8 13. Ne3 Nc6 14. g4 Bg6 15. h4 h5 16. g5 Nh7 17. Nh2 Kh8 {[#]} 18. f4 $1 {[%mdl 576] Decoy} exf4 19. Nd5 Qd7 20. Nxf4 ({Don't do} 20. Bxf4 $6 f6 $16) 20... Ne5 21. Bd5 Nf8 22. Be3 Ng4 (22... Rac8 {was called for.} 23. b4 Re8 ) 23. Nxg4 $18 Qxg4+ 24. Qxg4 hxg4 25. Kg2 ({Resist} 25. Bxb7 $6 Rab8 $18) 25... Bh7 26. Bxf7 g6 27. Re2 Kg7 28. Bd5 Rab8 29. Rf1 Bg8 30. Ref2 Rd7 31. Kg3 Re8 32. Kxg4 Bxd5 33. Nxd5 Bd8 34. c4 Ne6 35. Bd2 Nd4 36. Bc3 Rh8 37. Nf4 { Threatening mate with Ne6+.} Re8 38. Ne2 Bb6 39. a5 {[%CAl Ba4a5,Ba5a6][%mdl 32]} Bd8 40. Nxd4 cxd4 41. Bxd4+ {[%mdl 64] [#] Double Attack} Kg8 42. b4 { [%CAl Bb2b4,Bb4b5][%mdl 32]} b6 43. a6 Rc7 44. b5 Rd7 45. h5 gxh5+ 46. Kxh5 Rh7+ 47. Kg4 Be7 48. Bf6 Bxf6 49. Rxf6 {[%mdl 4096] Endgame KRR-KRR} Rd7 50. Rg6+ Kh7 51. Rff6 Red8 52. Kf5 Kh8 53. Rh6+ Rh7 54. Rxh7+ {White mates.} Kxh7 55. Rf7+ {[%mdl 64] Double Attack} Kg8 56. Rxa7 {Black did not feel at home in the position after the opening. Weighted Error Value: White=0.02/Black=0.23} 1-0 [Event "Chinese-ch Men 2020"] [Site "Xinghua"] [Date "2020.12.19"] [Round "1.5"] [White "Xu, Yinglun"] [Black "Wen, Yang"] [Result "0-1"] [ECO "D36"] [WhiteElo "2554"] [BlackElo "2594"] [Annotator "TA"] [PlyCount "78"] [EventDate "2020.12.19"] [EventType "tourn"] [EventCountry "CHN"] [SourceTitle "playchess.com"] [Source "ChessBase"] [SourceQuality "1"] {[%evp 22,78,12,11,4,10,11,12,21,0,0,-2,12,0,2,0,0,0,-4,-7,3,-18,21,7,10,-13, 18,0,17,0,0,0,25,9,49,35,38,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,-156,-40,-708,-700, -827,-801]} 1. c4 e6 2. Nf3 Nf6 3. Nc3 d5 4. d4 c6 5. Bg5 Nbd7 6. cxd5 exd5 7. Qc2 Be7 8. e3 Nh5 9. Bxe7 Qxe7 10. O-O-O Nb6 11. h3 g6 12. Bd3 Ng7 {D36: Queen's Gambit Declined: Exchange Variation: Main line (5 Bg5 c6 6 Qc2).} 13. g4 Be6 {13...Bd7 is vanishing.} 14. Kb1 O-O-O {The position is equal.} 15. Be2 Kb8 16. Ne5 Bc8 {[#]} 17. a4 $146 ({Predecessor:} 17. Rc1 Nd7 18. Nd3 h5 19. Nf4 hxg4 20. Bxg4 Nf6 21. Bxc8 Rxc8 22. Nd3 Nf5 23. Rce1 {1-0 (36) Rietze,C (2339)-Behling,R (2098) Innsbruck 2018}) 17... f6 18. Nd3 Nc4 19. Ka1 Ne6 20. b3 Nd6 21. Rb1 h5 22. gxh5 gxh5 (22... Ne4 $5 {[%CAl Re4c3]} 23. Rb2 gxh5 $11) 23. h4 Ne4 {[#] aiming for ...Nxc3.} 24. Kb2 b6 {[%CAl Bb7b6,Bb6c5,Bc5c4][%mdl 32]} 25. Rhe1 c5 26. dxc5 $1 bxc5 27. Ka2 Nxc3+ 28. Qxc3 Bb7 29. b4 {[%CAl Rb4c5]} c4 30. Nc5 $1 Nxc5 31. bxc5 {Strongly threatening c6.} Ka8 $1 32. Bf3 Rc8 33. Rb5 Bc6 $36 {[%mdl 2048] Black fights for an advantage.} 34. Reb1 Qe5 35. Qb4 {Threatens to win with Rb7!} Qc7 36. Rd1 Rhd8 37. Rd4 $2 {[#]} (37. Qa5 $11) 37... Qh2 (37... c3 $1 $17 {...Qh2 is the strong threat.} 38. Qxc3 Bxb5 { [%mdl 64] Discovered Attack} 39. axb5 Qxc5) 38. Qb2 $2 {[%mdl 8192]} (38. Ra5 $15) 38... Bxb5 $19 {[%mdl 64] Discovered Attack} 39. Rxd5 Rxd5 {Accuracy: White = 79%, Black = 79%.} 0-1 [Event "Chinese-ch Men 2020"] [Site "Xinghua"] [Date "2020.12.19"] [Round "1.6"] [White "Zhao, Jun"] [Black "Yu, Yangyi"] [Result "1/2-1/2"] [ECO "E20"] [WhiteElo "2638"] [BlackElo "2709"] [Annotator "TA"] [PlyCount "80"] [EventDate "2020.12.19"] [EventType "tourn"] [EventCountry "CHN"] [SourceTitle "playchess.com"] [Source "ChessBase"] [SourceQuality "1"] {[%evp 19,80,-22,-10,-45,-46,-50,0,0,0,0,0,0,8,-9,-10,-30,-42,-31,-31,-38,-22, -41,-48,-40,-39,-59,-2,-2,-2,-4,-6,-6,-18,-15,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, 0,0,0,0,0,0,0,0,0,0,0,0,0]} 1. d4 Nf6 2. Nf3 d5 3. c4 e6 4. Nc3 dxc4 5. g3 Bb4 6. Bg2 O-O 7. O-O Nc6 8. Bg5 h6 9. Bxf6 Qxf6 10. e3 Rb8 11. Rc1 {E20: Nimzo-Indian: 4 g3 and 4 f3.} b5 12. b3 {[#]} Na5 $146 ({Predecessor:} 12... Qe7 13. bxc4 bxc4 14. Qa4 Rb6 15. Rfd1 Bd7 16. Qc2 Ba3 17. Rb1 Rfb8 18. Qe2 Na5 {0-1 (35) Valerga,D (2477)-Acosta,P (2346) Villa Martelli 2016}) 13. bxc4 Bxc3 14. Rxc3 {And now cxb5 would win.} Nxc4 15. Nd2 Rb6 (15... Ba6 {feels hotter.} 16. Ne4 Qe7 17. Nc5 b4 18. Rb3 Bc8) 16. Nxc4 bxc4 17. Qf3 Qe7 18. Rfc1 Ba6 19. Bf1 c5 20. Bxc4 cxd4 21. exd4 Bb7 22. d5 Rd8 (22... Rd6 $15 23. Qe4 Bxd5 24. Bxd5 Rxd5) 23. Qe3 $11 {The position is equal.} Bxd5 24. Bxd5 Rxd5 25. Rc8+ Kh7 26. R8c7 $1 {[%CAl Rc7e7]} Qf6 27. Rxa7 Rb2 28. Rcc7 $1 {[%CAl Rc7f7]} Rd1+ 29. Kg2 {[#]} Rdd2 $1 {[%CAl Rd2f2][%mdl 512]} 30. Qe4+ Qf5 31. Qxf5+ exf5 32. Rxf7 Rxf2+ {[%mdl 4096] Endgame KRR-KRR} 33. Kg1 Rg2+ 34. Kf1 Rgf2+ 35. Kg1 Rg2+ 36. Kf1 Rxh2 {[%CAl Rh2h1] [#]} 37. Rxg7+ Kh8 {[%CAl Rh2h1]} 38. Kg1 Rhg2+ 39. Kf1 $1 Rgf2+ 40. Kg1 $1 Rg2+ {Weighted Error Value: White=0.04/Black=0.05} 1/2-1/2 [Event "Chinese-ch Men 2020"] [Site "Xinghua"] [Date "2020.12.20"] [Round "2.1"] [White "Xu, Xiangyu"] [Black "Yu, Yangyi"] [Result "0-1"] [ECO "D35"] [WhiteElo "2573"] [BlackElo "2709"] [Annotator "TA"] [PlyCount "82"] [EventDate "2020.12.19"] [EventType "tourn"] [EventCountry "CHN"] [SourceTitle "playchess.com"] [Source "ChessBase"] [SourceQuality "1"] {[%evp 10,82,25,8,2,22,16,0,-7,-3,0,0,0,0,0,0,0,-3,0,-7,0,0,0,0,0,0,0,-7,0,-26, -12,-16,-11,-70,-20,-27,-27,-79,-83,-108,-97,-339,-339,-345,-308,-308,-297, -291,-299,-306,-299,-327,-337,-339,-245,-269,-271,-296,-269,-370,-114,-123,-75, -89,-73,-37,-41,-166,-190,-304,-97,-654,-643,-571,-564]} 1. d4 d5 2. c4 e6 3. Nf3 Nd7 4. Nc3 Ngf6 5. cxd5 exd5 6. Bf4 Nb6 {D35: Queen's Gambit Declined: Exchange Variation.} 7. e3 {7.Qc2 is not played anymore.} Bf5 8. Bd3 (8. Be2 { is interesting.} c6 9. Nh4 Be6 10. Qc2 Ne4 11. Nf3) 8... Bxd3 {The position is equal.} 9. Qxd3 Bd6 10. Bg5 Be7 11. O-O O-O {[#]} 12. Bxf6 $146 ({Predecessor: } 12. a3 Ne4 13. Bxe7 Qxe7 14. Nd2 f5 15. b3 c6 16. Rfc1 Nd7 17. Nf3 f4 18. Re1 Rae8 19. exf4 Rxf4 {0-1 (58) Pacuraru,C (1453)-Gotin,E (1712) Varna 2009}) 12... Bxf6 13. b4 a6 14. Nd2 Be7 15. Rfb1 c6 16. a4 g6 17. g3 Re8 18. Ne2 Bd6 19. Kg2 Qe7 20. Qc3 h5 21. Nc1 (21. h4 $11) 21... Nd7 {[%CAl Bb6d7,Bd7f6,Bf6h5] [%mdl 32]} 22. Nd3 Nf6 23. Re1 (23. h4 $11) 23... h4 24. f3 hxg3 25. h3 $2 (25. hxg3 $17 a5 26. bxa5) 25... Nh5 $19 26. e4 Bf4 27. Nb3 {Now exd5 and White clings on.} Qg5 ({Much less strong is} 27... dxe4 28. Rxe4 Qg5 29. Nbc5 $19) 28. Re2 Re7 29. Rae1 Rae8 30. Qb2 Qh4 31. Nbc5 Nf6 32. Nxf4 Qxf4 33. e5 Nh5 34. Qd2 Qh4 $2 {[#]} (34... f6 $19 {White must now prevent ...Qh4.} 35. Kg1 Qh4) 35. Re4 $1 $17 {[%mdl 512]} dxe4 36. Rxe4 {[#]} Rxe5 $1 37. dxe5 Rd8 38. Qe3 ( 38. Nd7 $1 $15 Qe7 39. Rd4) 38... Qe7 $36 {[%mdl 2048] Keeping White busy.} 39. e6 {[#]} (39. a5 $142) 39... Qf6 $2 ({Wrong is} 39... Rd1 $2 40. exf7+ Qxf7 41. Re8+ Kh7 {[#]} 42. Re7 $1 $18 {[%mdl 512]}) (39... f5 $1 $19 {[%CAl Rf5e4] is more deadly.} 40. Rc4 Qf6) 40. e7 $2 {[%mdl 8192]} (40. exf7+ $17 Kxf7 41. Re5) 40... Qb2+ 41. Qe2 Qxe2+ {Weighted Error Value: White=0.45/Black=0.21} 0-1 [Event "Chinese-ch Men 2020"] [Site "Xinghua"] [Date "2020.12.20"] [Round "2.2"] [White "Wen, Yang"] [Black "Zhao, Jun"] [Result "1/2-1/2"] [ECO "D14"] [WhiteElo "2594"] [BlackElo "2638"] [Annotator "TA"] [PlyCount "60"] [EventDate "2020.12.19"] [EventType "tourn"] [EventCountry "CHN"] [SourceTitle "playchess.com"] [Source "ChessBase"] [SourceQuality "1"] {[%evp 24,60,0,0,10,-5,0,0,0,0,0,0,0,-6,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, 0,0,0,0,0,0]} 1. d4 d5 2. Nf3 Nf6 3. c4 c6 4. cxd5 cxd5 5. Nc3 Nc6 6. Bf4 Bf5 7. e3 e6 8. Bd3 Bxd3 9. Qxd3 Bd6 10. Bxd6 Qxd6 11. O-O O-O 12. Rfc1 Rfc8 13. h3 {The position is equal.} Nd7 {D14: Slav Defence: Exchange variation with ... Bf5.} 14. Nd2 h6 15. a3 Ne7 16. Rc2 Rc6 17. Rac1 Rac8 18. Ne2 Rxc2 19. Rxc2 Rxc2 20. Qxc2 Qc6 21. Qxc6 Nxc6 $11 {[%mdl 4096] Endgame KNN-KNN} 22. Nc3 Kf8 23. Kf1 Ke7 24. Ke2 a6 25. Kd3 Kd6 26. f4 f5 {[#]} 27. Nf3 $146 ({Predecessor: } 27. Ne2 Nf6 {1/2-1/2 (27) Li,C (2720)-Bu,X (2705) Doha 2016}) 27... Nf6 28. Ne5 Ne4 29. Nxc6 Kxc6 30. b3 Nxc3 {Not much happened in this game. Weighted Error Value: White=0.01/Black=0.01} 1/2-1/2 [Event "Chinese-ch Men 2020"] [Site "Xinghua"] [Date "2020.12.20"] [Round "2.3"] [White "Zhang, Rui"] [Black "Xu, Yinglun"] [Result "0-1"] [ECO "B22"] [WhiteElo "1658"] [BlackElo "2554"] [Annotator "TA"] [PlyCount "150"] [EventDate "2020.12.19"] [EventType "tourn"] [EventCountry "CHN"] [SourceTitle "playchess.com"] [Source "ChessBase"] [SourceQuality "1"] {[%evp 21,150,-21,-25,-26,-23,-23,-25,-26,-18,-16,-19,-7,0,0,0,0,0,0,0,0,0,0,0, 0,0,0,0,0,0,0,0,0,0,0,17,22,15,0,0,0,0,-17,-10,-10,0,0,0,0,0,0,0,-2,0,0,7,0,0, 0,0,0,0,0,0,-56,-60,-38,0,0,0,-19,0,0,0,-20,0,-56,-29,-16,-28,-75,-85,-57,-58, -66,-33,-424,-303,-260,-165,-785,-685,-1052,-1021,-1114,-1019,-855,-891,-876, -858,-791,-854,-1509,-1408,-3583,-2618,-2166,-1406,-29969,-29970,-29972,-29973, -29973,-29973,-29973,-29974,-29974,-29969,-29976,-29975,-29980,-29981,-29984, -29984,-29984,-29978,-29978,-29979,-29979,-29977,-29977,-29976]} 1. e4 c5 2. c3 d5 3. exd5 Qxd5 4. d4 Nf6 5. Nf3 e6 6. Be2 Nc6 7. O-O cxd4 8. cxd4 Be7 9. Nc3 Qd6 10. h3 O-O 11. Be3 b6 12. Qa4 {B22: Sicilian: 2 c3.} Bb7 {[#]} 13. Ba6 $146 ({Predecessor:} 13. Rac1 a6 14. Rfd1 Nb4 15. Ne5 Nbd5 16. Bf3 Nxc3 17. bxc3 b5 18. Qb3 Bxf3 19. Nxf3 Rfc8 {0-1 (80) Klyuner,V (2395)-Koch,T (2426) Germany 2005}) 13... Bxa6 14. Qxa6 {Black has an edge.} Nb4 15. Qe2 h6 16. Ne5 Rac8 17. Rac1 a5 18. a3 Nbd5 19. Nb5 Qb8 20. Qf3 Qb7 21. a4 Rxc1 22. Rxc1 Rc8 23. Rc4 Rxc4 24. Nxc4 Qc8 25. b3 Ne8 26. Qg3 Kf8 27. Bf4 g5 28. Be5 f6 29. Bb8 h5 { White must now prevent ...h4.} 30. Ba7 Bd8 31. Qb8 Qxb8 32. Bxb8 h4 33. Kf1 Ke7 34. Ke2 Kd7 35. Ne3 Nb4 36. Kd2 Be7 37. Bh2 Ng7 38. Nc2 Nd5 39. Ne3 Bb4+ 40. Kd3 Ne7 41. Nc2 Nh5 42. Nc3 (42. Nxb4 $11 axb4 43. Nd6) 42... Bxc3 $15 43. Kxc3 {[%mdl 4096] Endgame KBN-KNN} Kc6 44. Ne3 b5 45. Kd2 f5 46. Be5 Ng6 47. Bb8 Nhf4 48. Kc2 ({Better is} 48. f3 $11) 48... Kb7 49. Bd6 Ne2 50. Kd3 Ngf4+ 51. Bxf4 Nxf4+ $17 {KN-KN} 52. Kd2 $1 Kc6 (52... g4 $5 53. hxg4 (53. axb5 $2 Nxg2 54. Nf1 gxh3 $19) 53... Nxg2 $15) 53. Kc3 $2 {[%mdl 8192] Loses the game.} ({ White should try} 53. f3 $1 $15) 53... g4 54. hxg4 Nxg2 55. Nf1 $2 ({Wrong is} 55. Nxg2 $2 b4+ 56. Kd2 h3 $19) (55. g5 Nf4 56. Kd2) 55... fxg4 $19 56. Nh2 bxa4 57. bxa4 {[#]} Ne3 $1 {[%mdl 512]} 58. Kd3 {[#]} (58. fxe3 g3) 58... g3 $1 59. fxg3 hxg3 60. Nf3 Nd1 61. Kc2 {[#] Cut Off at move 61} Nf2 $1 62. Ne1 Kd5 63. Kc3 Nd1+ 64. Kc2 {[#]} Ne3+ $1 {Black mates.} 65. Kd3 g2 66. Nf3 Nf5 67. Ng1 Nxd4 68. Ke3 Kc4 69. Kf2 Kb4 70. Kxg2 Kxa4 71. Kf2 Kb3 72. Ke3 e5 73. Nh3 a4 {[%CAl Ba5a4,Ba4a3,Ba3a2][%mdl 32]} 74. Nf2 a3 75. Nd3 a2 {Weighted Error Value: White=0.47/Black=0.08} 0-1 [Event "Chinese-ch Men 2020"] [Site "Xinghua"] [Date "2020.12.20"] [Round "2.4"] [White "Ju, Wenjun"] [Black "Lu, Shanglei"] [Result "1/2-1/2"] [ECO "D35"] [WhiteElo "2560"] [BlackElo "2615"] [Annotator "ChessBase"] [PlyCount "75"] [EventDate "2020.12.19"] [EventType "tourn"] [EventCountry "CHN"] [SourceTitle "playchess.com"] [Source "ChessBase"] [SourceQuality "1"] 1. d4 {[%emt 0:00:00]} Nf6 {[%emt 0:00:00]} 2. c4 {[%emt 0:00:00]} e6 {[%emt 0: 00:02]} 3. Nc3 {[%emt 0:00:00]} d5 {[%emt 0:00:05]} 4. cxd5 {[%emt 0:00:00]} exd5 {[%emt 0:00:34]} 5. Bg5 {[%emt 0:00:07]} c6 {[%emt 0:00:06]} 6. e3 { [%emt 0:00:15]} h6 {[%emt 0:09:14]} 7. Bh4 {[%emt 0:00:04]} Be6 {[%emt 0:01:37] } 8. Bd3 {[%emt 0:01:05]} Nbd7 {[%emt 0:00:41]} 9. Nge2 {[%emt 0:07:11]} Bd6 { [%emt 0:05:19]} 10. Bg3 {[%emt 0:04:16]} Qe7 {[%emt 0:05:07]} 11. O-O {[%emt 0: 03:27]} Bxg3 {[%emt 0:04:10]} 12. Nxg3 {[%emt 0:00:05]} O-O {[%emt 0:00:09]} 13. Rc1 {[%emt 0:07:42]} Nb6 {[%emt 0:01:38]} 14. a3 {[%emt 0:02:25]} Rfc8 { [%emt 0:08:11]} 15. h3 {[%emt 0:11:09]} Rc7 {[%emt 0:10:30]} 16. Qf3 {[%emt 0: 02:08]} Re8 {[%emt 0:02:36]} 17. Rfe1 {[%emt 0:01:32]} Qd8 {[%emt 0:03:29]} 18. Qf4 {[%emt 0:12:37]} Rce7 {[%emt 0:02:39]} 19. h4 {[%emt 0:00:27]} Nc8 { [%emt 0:05:42]} 20. f3 {[%emt 0:00:35]} Kf8 {[%emt 0:09:21]} 21. Na4 {[%emt 0: 08:46]} Qd6 {[%emt 0:01:37]} 22. Qxd6 {[%emt 0:02:02]} Nxd6 {[%emt 0:00:05]} 23. Kf2 {[%emt 0:00:04]} h5 {[%emt 0:01:23]} 24. Nc5 {[%emt 0:01:57]} g6 { [%emt 0:00:29]} 25. a4 {[%emt 0:00:19]} Bc8 {[%emt 0:02:54]} 26. a5 {[%emt 0: 00:52]} a6 {[%emt 0:03:52]} 27. e4 {[%emt 0:03:56]} dxe4 {[%emt 0:00:25]} 28. fxe4 {[%emt 0:00:45]} Ng4+ {[%emt 0:01:33]} 29. Kg1 {[%emt 0:02:28]} Kg7 { [%emt 0:04:09]} 30. Rf1 {[%emt 0:03:50]} Rd8 {[%emt 0:02:53]} 31. Be2 {[%emt 0: 03:35]} Nb5 {[%emt 0:02:50]} 32. Bxb5 {[%emt 0:00:12]} axb5 {[%emt 0:00:04]} 33. Rfd1 {[%emt 0:00:06]} Ne3 {[%emt 0:00:47]} 34. Rd3 {[%emt 0:00:04]} Nc4 { [%emt 0:00:04]} 35. b4 {[%emt 0:00:10]} Bg4 {[%emt 0:01:37]} 36. Rf1 {[%emt 0: 03:35]} Nb2 {[%emt 0:03:16]} 37. Rd2 {[%emt 0:00:06]} Nc4 {[%emt 0:00:07]} 38. Rd3 {[%emt 0:00:02]} 1/2-1/2 [Event "Chinese-ch Men 2020"] [Site "Xinghua"] [Date "2020.12.20"] [Round "2.5"] [White "Huang, Renjie"] [Black "Wei, Yi"] [Result "0-1"] [ECO "B31"] [WhiteElo "2422"] [BlackElo "2732"] [Annotator "TA"] [PlyCount "74"] [EventDate "2020.12.19"] [EventType "tourn"] [EventCountry "CHN"] [SourceTitle "playchess.com"] [Source "ChessBase"] [SourceQuality "1"] {[%evp 13,74,0,16,-14,-11,-27,-25,-36,-10,-35,-31,-39,-33,-26,-21,-56,-62,-63, -58,-89,-93,-122,-121,-126,-120,-113,-107,-190,-132,-176,-169,-168,-164,-206, -181,-228,-161,-201,-164,-177,-129,-189,-181,-225,-168,-159,-158,-150,-133, -370,-281,-322,-316,-297,-227,-910,-914,-29988,-29989,-29989,-29990,-29990, -29991]} 1. e4 c5 2. Nf3 Nc6 3. Bb5 g6 4. O-O Bg7 5. c3 e5 6. d3 Nge7 7. Be3 d6 8. Qd2 {B31: Sicilian: 2...Nc6 3 Bb5 g6.} Bg4 9. Ne1 O-O 10. Na3 {[#] Black has an edge.} b6 $146 ({Predecessor:} 10... a6 11. Ba4 Be6 12. Nf3 b5 13. Bd1 Rc8 14. Re1 Qc7 15. Bh6 Bxh6 16. Qxh6 f6 {1/2-1/2 (51) Csoke,K (2295)-Turzo,A (2265) Hungary 1995}) 11. h3 Be6 12. Bh6 d5 13. Bxg7 Kxg7 14. Qe2 Qc7 15. Nf3 f6 16. Bxc6 Qxc6 17. b3 g5 18. Kh2 Ng6 19. Ng1 Rad8 20. g3 {[#]} (20. Rad1 $17) 20... Rd6 ({Better is} 20... h5 $1 $19 {[%mdl 512]} 21. c4 (21. Qxh5 g4) 21... d4) 21. exd5 Rxd5 22. Rad1 Rfd8 23. c4 R5d7 24. Rd2 a6 25. Nc2 Rd6 $40 { [%mdl 128] Black is out for blood.} 26. Rfd1 Qd7 27. Ne3 {[#]} (27. Qh5 $17 { is a better defense.}) 27... h5 $1 $19 {[%mdl 512]} 28. Qf3 (28. Qxh5 g4) 28... f5 29. Qxh5 Rh8 30. Qxg5 {[#] Strongly threatening Nf3.} f4 $1 31. gxf4 $2 { Loses the game.} (31. h4 $17 {was forced.} fxe3 32. Qxe3) 31... exf4 {[%CAl Re6h3]} 32. Ng2 Bxh3 33. Nxf4 {[%CAl Rg1h3]} Bg4+ 34. Kg2 $2 (34. Kg3 Bxd1 35. Rxd1) 34... Rf6 {[%CAl Bd6f6,Bf6f5,Bf5e5][%mdl 32]} 35. Nd5 Bh3+ {Black mates.} 36. Kg3 Rf5 37. Qe3 Re5 {Weighted Error Value: White=0.58/Black=0.15} 0-1 [Event "Chinese-ch Men 2020"] [Site "Xinghua"] [Date "2020.12.20"] [Round "2.6"] [White "Lin, Yi"] [Black "Bai, Jinshi"] [Result "1/2-1/2"] [ECO "D85"] [WhiteElo "2408"] [BlackElo "2618"] [Annotator "ChessBase"] [PlyCount "36"] [EventDate "2020.12.19"] [EventType "tourn"] [EventCountry "CHN"] [SourceTitle "playchess.com"] [Source "ChessBase"] [SourceQuality "1"] 1. d4 {[%emt 0:00:00]} Nf6 {[%emt 0:00:00]} 2. c4 {[%emt 0:00:00]} g6 {[%emt 0: 00:01]} 3. Nc3 {[%emt 0:00:00]} d5 {[%emt 0:00:04]} 4. cxd5 {[%emt 0:00:01]} Nxd5 {[%emt 0:00:06]} 5. e4 {[%emt 0:00:06]} Nxc3 {[%emt 0:00:07]} 6. bxc3 { [%emt 0:00:06]} Bg7 {[%emt 0:00:17]} 7. Nf3 {[%emt 0:00:08]} c5 {[%emt 0:00:58] } 8. Rb1 {[%emt 0:00:09]} O-O {[%emt 0:02:55]} 9. Be2 {[%emt 0:00:12]} cxd4 { [%emt 0:02:51]} 10. cxd4 {[%emt 0:00:07]} Qa5+ {[%emt 0:00:05]} 11. Bd2 { [%emt 0:00:12]} Qxa2 {[%emt 0:00:08]} 12. O-O {[%emt 0:00:22]} Bg4 {[%emt 0:00: 17]} 13. Bg5 {[%emt 0:00:14]} h6 {[%emt 0:02:06]} 14. Be3 {[%emt 0:00:07]} Nc6 {[%emt 0:00:51]} 15. Ra1 {[%emt 0:02:56]} Qb2 {[%emt 0:01:19]} 16. Rb1 { [%emt 0:00:06]} Qa2 {[%emt 0:00:14]} 17. Ra1 {[%emt 0:00:24]} Qb2 {[%emt 0:01: 19]} 18. Rb1 {[%emt 0:00:05]} Qa2 {[%emt 0:09:54]} 1/2-1/2 [Event "Chinese-ch Men 2020"] [Site "Xinghua"] [Date "2020.12.21"] [Round "3.1"] [White "Bai, Jinshi"] [Black "Xu, Xiangyu"] [Result "1/2-1/2"] [ECO "D26"] [WhiteElo "2618"] [BlackElo "2573"] [Annotator "TA"] [PlyCount "64"] [EventDate "2020.12.19"] [EventType "tourn"] [EventCountry "CHN"] [SourceTitle "playchess.com"] [Source "ChessBase"] [SourceQuality "1"] {[%evp 15,64,10,18,10,19,15,16,14,17,12,16,16,10,15,16,15,27,25,27,22,22,10,11, 15,15,15,15,16,18,13,15,0,0,-5,8,0,0,0,8,0,6,6,6,6,12,6,6,6,7,8,22]} 1. d4 d5 2. Nf3 Nf6 3. c4 dxc4 4. e3 e6 5. Bxc4 c5 6. O-O Nc6 7. dxc5 Qxd1 8. Rxd1 Bxc5 9. a3 {D26: Queen's Gambit Accepted: 4 e3 e6 5 Bxc5 c5 sidelines.} O-O 10. b4 Be7 11. Bb2 b6 12. Nc3 Bb7 13. Be2 Rfd8 14. Nd2 {[#]} Ne8 $146 ({Predecessor:} 14... Ne5 15. Nb5 Ned7 16. Bf3 Bxf3 17. Nxf3 Nd5 18. Nfd4 Bf6 19. e4 Nf4 20. Nc6 Bxb2 {1-0 (55) Splichal,J (1950)-Jezek,O (1770) ICCF email 2016}) 15. Nc4 Bf6 16. Nb5 Ba6 17. Bxf6 gxf6 {The position is equal.} 18. Nb2 Kf8 19. Kf1 Rac8 20. Rac1 Rxd1+ 21. Nxd1 f5 22. Ke1 Bb7 23. g3 a6 24. Nbc3 Ne7 25. Kd2 Rd8+ 26. Ke1 Rc8 27. Na2 Rxc1 (27... Rb8 {looks sharper.} 28. Ndc3 a5 29. bxa5 bxa5 30. Rb1 Nd6) 28. Nxc1 Nd5 29. Kd2 Nd6 30. f3 Ke7 31. Nc3 Nxc3 32. Kxc3 f6 {An uneventful encounter. Weighted Error Value: White=0.03/Black=0.01} 1/2-1/2 [Event "Chinese-ch Men 2020"] [Site "Xinghua"] [Date "2020.12.21"] [Round "3.2"] [White "Wei, Yi"] [Black "Lin, Yi"] [Result "1-0"] [ECO "A16"] [WhiteElo "2732"] [BlackElo "2408"] [Annotator "TA"] [PlyCount "87"] [EventDate "2020.12.19"] [EventType "tourn"] [EventCountry "CHN"] [SourceTitle "playchess.com"] [Source "ChessBase"] [SourceQuality "1"] {[%evp 9,87,26,28,23,30,25,46,31,27,17,12,22,24,17,18,14,41,32,34,37,41,32,37, 31,62,59,77,52,53,58,65,65,58,31,31,31,48,31,85,74,83,83,89,81,165,158,238,236, 239,239,414,391,469,346,487,481,802,775,798,791,777,754,720,757,741,741,725, 727,716,685,658,659,635,572,1025,927,1495,1528,1592,1562]} 1. Nf3 Nf6 2. c4 g6 3. Nc3 d5 4. cxd5 Nxd5 5. h4 Bg7 6. e4 {A16: English Opening: 1...Nf6 with ... d5.} Nxc3 7. dxc3 Qxd1+ 8. Kxd1 {White is slightly better.} Nd7 9. Bc4 Nc5 10. Re1 Bd7 11. Kc2 {[#]} Bc6 $146 ({Predecessor:} 11... a5 12. Bf4 b5 13. Bf1 O-O 14. Ne5 Be8 15. Rad1 b4 16. Bc4 bxc3 17. bxc3 Ba4+ {1/2-1/2 (49) Bu,X (2719) -Gao,R (2552) China 2016}) 12. Ng5 f6 13. Ne6 $1 {[%CAl Re6c5]} Nxe6 14. Bxe6 Bd7 15. Bxd7+ (15. Bc4 {seems wilder.} a5 16. Be3 b5 17. Bd3 e6 18. h5) 15... Kxd7 16. Rd1+ Ke6 17. Bf4 c6 18. a4 {[%CAl Ba2a4,Ba4a5][%mdl 32]} Rhd8 19. a5 a6 20. Kb3 Rd7 21. Kc4 Rad8 22. Rxd7 Kxd7 $14 {[%mdl 4096] Endgame KRB-KRB} 23. h5 Kc8 (23... e5 $14 24. Be3 Ke6) 24. Rh1 {Black is now going downhill.} g5 25. h6 Bf8 26. Be3 e5 {[#]} (26... Rd7 $16) 27. Rh3 $1 $18 Be7 {[#]} (27... Kd7 $16 ) 28. Bc5 $1 {[%CAl Rc5e7]} Bxc5 29. Kxc5 {KR-KR} Kc7 $2 (29... Rg8 30. Kd6 Rg6 ) 30. Rf3 Rd6 31. g4 Re6 (31... Kd7 {might work better.} 32. Kb6 Kc8) 32. Rd3 { White is clearly winning.} Re8 (32... f5 $142 33. exf5 Rxh6) 33. Rd6 Rf8 34. c4 Rf7 35. b3 Rf8 36. b4 Rf7 37. b5 cxb5 38. cxb5 axb5 39. Rb6 Kd8 40. Kxb5 Ke8 41. Rd6 Ke7 42. Rd5 Ke8 43. Kb6 Re7 44. Ka7 {Weighted Error Value: White=0.09/ Black=0.30} 1-0 [Event "Chinese-ch Men 2020"] [Site "Xinghua"] [Date "2020.12.21"] [Round "3.3"] [White "Lu, Shanglei"] [Black "Huang, Renjie"] [Result "1-0"] [ECO "B36"] [WhiteElo "2615"] [BlackElo "2422"] [Annotator "TA"] [PlyCount "81"] [EventDate "2020.12.19"] [EventType "tourn"] [EventCountry "CHN"] [SourceTitle "playchess.com"] [Source "ChessBase"] [SourceQuality "1"] {[%evp 21,81,44,53,44,55,30,29,30,29,29,34,37,70,65,241,248,235,235,249,229, 235,225,294,291,282,276,287,283,384,376,362,280,381,388,376,389,388,393,504, 468,749,761,856,823,2752,2593,2406,2482,2117,1813,29936,6087,29975,29976,29976, 29976,29976,29977,29977,29978,29978,29978]} 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 g6 5. c4 Nf6 6. Nc3 d6 7. f3 Nxd4 8. Qxd4 Bg7 9. Be3 O-O 10. Qd2 Be6 11. Rc1 Qa5 12. b3 {B36: Sicilian: Maroczy Bind: Gurgenidze System.} Rfc8 13. Bd3 a6 14. Ne2 {[%CAl Bc3e2,Be2f4,Bf4e6,Be6c7][%mdl 32] White has an edge.} Qxd2+ 15. Kxd2 b5 16. Nf4 bxc4 17. Nxe6 cxd3 $2 {[#]} (17... fxe6 $14 18. Rxc4 Rxc4 19. Bxc4 d5) 18. Nc7 $1 $18 Rab8 19. Nxa6 {[#]} Ra8 $146 ({Predecessor:} 19... Rxc1 20. Rxc1 Ra8 21. Rc6 Nd7 22. a4 f5 23. exf5 gxf5 24. f4 d5 25. Nc7 Rb8 { 1-0 (42) Shyam Prasad Reddy,K (2252)-Namini,A (2229) Djenovici 2019}) 20. Rxc8+ Rxc8 {[#]} 21. Rc1 $1 {[%CAl Rc1c8]} ({Don't take} 21. Kxd3 $6 d5 $16) 21... Rxc1 22. Kxc1 {[%mdl 4096] Endgame KBN-KBN} d5 23. exd5 Nxd5 24. Kd2 f5 25. Kxd3 Kf7 26. a4 Ke6 27. Bd2 Kd6 28. b4 Be5 29. g3 h5 30. b5 h4 (30... f4 $142 31. Be1 Nb6) 31. f4 Bf6 32. Nb4 h3 33. Nxd5 Kxd5 {KB-KB} 34. Bc3 e5 35. b6 e4+ 36. Kc2 Bd8 37. b7 {White mates.} Bc7 {[#]} 38. Be5 $1 {[%mdl 512]} Kc6 (38... Bxe5 39. fxe5) 39. b8=Q {[%mdl 64] X-Ray Attack} Bxb8 40. Bxb8 Kc5 41. Kc3 { Black got outplayed after the opening. Weighted Error Value: White=0.09/ Black=0.78} 1-0 [Event "Chinese-ch Men 2020"] [Site "Xinghua"] [Date "2020.12.21"] [Round "3.4"] [White "Xu, Yinglun"] [Black "Ju, Wenjun"] [Result "1-0"] [ECO "A29"] [WhiteElo "2554"] [BlackElo "2560"] [Annotator "TA"] [PlyCount "73"] [EventDate "2020.12.19"] [EventType "tourn"] [EventCountry "CHN"] [SourceTitle "playchess.com"] [Source "ChessBase"] [SourceQuality "1"] {[%evp 20,73,21,0,9,-29,-25,-25,-24,-25,-27,-14,-5,-16,-17,-19,0,0,0,0,0,0,0,0, 27,0,11,4,35,26,74,72,72,80,80,68,80,79,108,101,160,126,125,112,110,110,155, 146,331,320,496,491,483,488,556,334]} 1. c4 e5 2. Nc3 Nf6 3. Nf3 Nc6 4. g3 d5 5. cxd5 Nxd5 6. Bg2 Nb6 7. O-O Be7 8. d3 O-O 9. Be3 Re8 10. Rc1 Bf8 11. Ne4 { 11.Bg5 injects fresh life into this line.} Nd4 {A29: English Opening: Four Knights Variation with 4 g3.} 12. Bxd4 exd4 13. Qd2 c6 {Black has an edge.} 14. Nc5 {[#]} g6 $146 ({Predecessor:} 14... Bxc5 15. Rxc5 Qd6 16. Rc2 Be6 17. Qa5 Bd5 18. b4 Nd7 19. Ng5 Bxg2 20. Kxg2 Re5 {1/2-1/2 (59) Wang,Y (2723)-Vachier Lagrave,M (2745) Beijing 2013}) 15. b4 Bg7 16. Rfe1 Nd5 17. Nb3 Ne7 18. a4 Nf5 19. Rb1 Rb8 20. b5 cxb5 21. axb5 Be6 22. Qb4 Bd5 23. Bh3 Bxf3 24. exf3 Ne7 25. Qc4 Nc8 26. Rxe8+ Qxe8 27. Nc5 {[%CAl Bb3c5,Bc5b7,Bb7a5,Ba5c6,Bc6e7][%mdl 32]} ({Much weaker is} 27. Nxd4 $6 Nb6 $11) 27... Nb6 28. Qa2 Ra8 29. Nxb7 { Strongly threatening Nd6.} Qe7 ({Black should play} 29... Bf8) 30. Na5 a6 31. bxa6 {[%mdl 64] Discovered Attack} Rxa6 {[#]} 32. Nc6 $1 {[%mdl 64] Discovered Attack} Qb7 33. Qc2 {Bc8! is the strong threat.} Ra8 $2 {Loses the game.} ( 33... Bf6 $16 34. f4 Kg7) 34. f4 $18 Qa6 (34... Re8 $142 35. Ne5 Bxe5) 35. Ne7+ {White is clearly winning.} Kh8 36. Qc6 Bf8 37. Qf6+ {[%mdl 64] Double Attack. Weighted Error Value: White=0.05/Black=0.28} 1-0 [Event "Chinese-ch Men 2020"] [Site "Xinghua"] [Date "2020.12.21"] [Round "3.5"] [White "Zhao, Jun"] [Black "Zhang, Rui"] [Result "1-0"] [ECO "D93"] [WhiteElo "2638"] [BlackElo "1658"] [Annotator "TA"] [PlyCount "185"] [EventDate "2020.12.19"] [EventType "tourn"] [EventCountry "CHN"] [SourceTitle "playchess.com"] [Source "ChessBase"] [SourceQuality "1"] {[%evp 20,185,20,20,32,0,52,10,19,19,19,19,19,19,19,16,23,16,24,13,11,14,20,0, 13,0,0,0,0,0,0,0,0,-11,-14,-14,0,-14,0,-14,-7,-14,0,-14,-14,-14,0,0,0,0,0,0,0, 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, 0,0,0,0,0,0,0,0,0,0,0,0,29,29,29,29,29,29,29,29,29,29,36,29,111,97,108,94,102, 99,102,102,254,254,254,254,254,254,210,113,113,113,708,665,729,652,1008,1000, 989,816,956,929,850,814,1284,1261,1364,1364,29970,29970,6109,2650,29979,29980, 29980,29981,29981,29982,29984,29985,29985,29986,29986,29987,29986,29987]} 1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. Qc2 g6 5. Bf4 Bg7 6. e3 Bf5 7. Qb3 Qb6 8. Nc3 { [%CAl Bb1c3,Bc3e2,Be2d4][%mdl 32]} O-O 9. c5 Qxb3 10. axb3 Nbd7 11. h3 Ne4 { D93: Grünfeld: 4 Nf3 Bg7 5 Bf4 0-0 6 e3.} 12. b4 (12. g4 $5 {[%CAl Rg4f5]} Be6 13. Bd3 $11) 12... Rfe8 {[#]} (12... Nxc3 $11 13. bxc3 a6) 13. Ne2 $146 (13. g4 {keeps more tension.} Nxc3 14. gxf5 Ne4 15. Rg1 Kh8 16. b5) ({Predecessor:} 13. Ra3 e5 14. Nxe5 Nxe5 15. Bxe5 Bxe5 16. dxe5 Nxc3 17. bxc3 Rxe5 18. Be2 a6 19. Kd2 {1-0 (41) Shimanov,A (2550)-Sitnikov,D (2470) Olginka 2011}) 13... e5 { The position is equal.} 14. Nxe5 Nxe5 15. Bxe5 Bxe5 16. dxe5 Rxe5 17. Nd4 a6 18. g4 Bd7 19. Bd3 Rae8 20. Rg1 Kh8 (20... h6 {looks sharper.} 21. Rg2 Kg7 22. O-O-O Nf6 23. Kc2 Rh8) 21. Rd1 h6 (21... h5 {seems wilder.} 22. Nf3 R5e6 23. gxh5 Rf6 24. Ke2 gxh5 25. Rh1 Kg7) 22. Bxe4 (22. Rg2 {with more complications.} Kg7 23. Ke2 Bc8 24. Bc2 R5e7 25. Rgg1) 22... Rxe4 23. Kd2 Bc8 24. Rg3 Kg7 25. Rdg1 Rh8 26. Kc3 h5 27. R3g2 Kf8 28. Kd3 Kg7 29. Rg3 Re5 30. R3g2 Re4 31. f3 Re5 32. Re2 hxg4 33. hxg4 Rh3 34. Rgg2 Rh1 35. Rh2 Rxh2 36. Rxh2 $11 {[%mdl 4096] Endgame KRB-KRN} f6 37. Ne2 Re7 38. Nf4 Re8 39. Kd4 Re7 40. Ne2 Re8 41. Nc3 Rd8 42. Rg2 Kf7 43. g5 Bf5 44. gxf6 Kxf6 45. Rh2 Kg7 46. Ne2 Rd7 47. Kc3 Re7 48. Kd2 Re8 49. Nd4 Re7 50. Re2 Kf6 51. Rh2 Kg7 52. Ke2 Re8 53. Kf2 Re7 54. Rh1 Re8 55. Ke2 Re7 56. Kd2 Re8 57. Ne2 Re7 58. Ng3 Re8 59. Rh4 Kf6 60. Rh7 Re7 61. Rh8 {Cut Off at move 61} Bb1 62. Ne2 Bf5 63. Nd4 Rf7 64. Ke2 Rc7 65. Kf2 Kg7 66. Rd8 Kf7 67. Kg3 Bc8 (67... Kf6 $11 {remains equal.}) 68. Kf4 Kf6 69. Rd6+ Kf7 70. Kg5 Re7 71. Rd8 $1 {[%CAl Rd8c8]} ({Of course not} 71. Rxg6 $6 Rxe3 72. Rh6 Kg7 $11) 71... Re5+ $2 (71... Bf5 $16 {is a better defense.}) 72. Kf4 $18 Re8 73. Rxe8 Kxe8 {KB-KN} 74. Ke5 $1 Ke7 {[#]} 75. f4 ({White should try} 75. Nb3 $1 $18) 75... Bg4 {[#]} 76. Nb3 $1 Kd7 $2 {[%mdl 8192]} (76... Bh3 $16) 77. Kf6 Bf5 78. Nd4 Be4 79. Ne6 Ke8 80. Ng5 Bc2 81. Nf7 Kd7 82. Ne5+ Kc7 83. Nxg6 b6 84. Nf8 a5 85. Ne6+ Kb7 86. bxa5 bxa5 87. Nd4 {White mates.} Be4 88. Ke7 a4 89. f5 Ka6 90. f6 Bg6 91. Nxc6 Kb5 92. Ne5 Bh5 93. c6 {Weighted Error Value: White=0.04/Black=0.04} 1-0 [Event "Chinese-ch Men 2020"] [Site "Xinghua"] [Date "2020.12.21"] [Round "3.6"] [White "Yu, Yangyi"] [Black "Wen, Yang"] [Result "1-0"] [ECO "A13"] [WhiteElo "2709"] [BlackElo "2594"] [Annotator "TA"] [PlyCount "69"] [EventDate "2020.12.19"] [EventType "tourn"] [EventCountry "CHN"] [SourceTitle "playchess.com"] [Source "ChessBase"] [SourceQuality "1"] {[%evp 9,69,13,18,0,-2,-7,0,0,0,-17,0,0,0,0,15,13,111,130,128,89,101,50,114,60, 62,62,117,118,235,166,160,158,173,156,184,187,191,180,208,179,187,167,166,176, 411,396,611,622,617,577,559,574,566,546,533,516,625,622,669,585,613,578]} 1. c4 e6 2. g3 Nf6 3. Bg2 d5 4. Nf3 d4 5. d3 c5 6. e4 {A13: English Opening: 1...e6.} Nc6 7. e5 Nd7 8. Qe2 {The position is equal.} Be7 9. h4 b6 10. Bf4 Bb7 11. Nbd2 {[#]} Nf8 $146 ({Predecessor:} 11... Qc7 12. O-O-O O-O-O 13. Rde1 h6 14. h5 a6 15. Kb1 Kb8 16. g4 Ka7 17. Bg3 Rde8 {0-1 (53) Kunte,A (2455)-Reefat,B (2354) Dhaka 1999}) 12. h5 g5 (12... Nd7 $11 {keeps the balance.}) 13. hxg6 $1 $16 Nxg6 14. Rh5 Qc7 {[#]} 15. O-O-O (15. Bh6 $1 $16) 15... O-O-O {[#]} ({Black should play} 15... Nxf4 $14 16. gxf4 O-O-O) 16. Ne4 (16. Bh6 $1 $16) 16... Nxf4 $14 17. gxf4 b5 {White leaves nothing to chance now.} (17... h6 $14) 18. Nfd2 $16 ({Much less strong is} 18. cxb5 Nb4 $11) 18... Ba6 (18... Kb8 $16) 19. Kb1 bxc4 20. Nxc4 Bxc4 21. dxc4 d3 22. Rxd3 Rxd3 23. Qxd3 Rd8 24. Qb3 Nd4 25. Qa4 Rg8 26. Ng3 ({And not} 26. Rxh7 Rxg2 27. Qa6+ Kb8 $11) 26... Rg4 $2 (26... Rh8 {was necessary.} 27. Qd1 h6) 27. Rxh7 $18 Rxf4 (27... Rg8 $142 28. Rxf7 a5) 28. Rh8+ {White is clearly winning.} Bd8 29. Ne4 Rxe4 30. Bxe4 {Hoping for Rf8.} Qxe5 31. Qa6+ Kd7 32. Qxa7+ Bc7 33. Qa8 {Qe8+ would kill now.} Qg5 {[%CAl Rg5g1]} 34. Qe8+ Kd6 {[%CAl Rg5g1]} 35. Qf8+ {Weighted Error Value: White=0.18/ Black=0.42} 1-0 [Event "Chinese-ch Men 2020"] [Site "Xinghua"] [Date "2020.12.22"] [Round "4.1"] [White "Xu, Xiangyu"] [Black "Wen, Yang"] [Result "1-0"] [ECO "D35"] [WhiteElo "2573"] [BlackElo "2594"] [Annotator "TA"] [PlyCount "73"] [EventDate "2020.12.19"] [EventType "tourn"] [EventCountry "CHN"] [SourceTitle "playchess.com"] [Source "ChessBase"] [SourceQuality "1"] {[%evp 13,73,22,19,12,20,15,23,16,16,14,31,24,30,-15,-8,-62,-42,-60,-65,-198, -191,-343,-327,-367,-388,-389,-396,-407,-406,-393,-405,-403,-396,-405,-410, -389,-404,-365,-41,-100,-118,-156,89,86,135,140,245,236,331,312,316,304,522, 452,584,581,686,677,941,947,1031,844]} 1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. cxd5 exd5 5. Bg5 c6 6. e3 Bd6 7. Bd3 O-O 8. Qc2 {D35: Queen's Gambit Declined: Exchange Variation.} h6 9. Bh4 Re8 10. Nge2 {White has an edge.} a5 11. h3 Na6 12. a3 Nc7 {[#]} 13. a4 $1 $146 {[%mdl 8] An important novelty.} ({Predecessor: } 13. g4 Be7 14. Rg1 b5 15. g5 Nh5 16. g6 Bxh4 17. gxf7+ Kxf7 18. Bg6+ Kg8 19. Bxh5 {1/2-1/2 (54) Petrosyan,M (2628)-Matlakov,M (2685) Lichess.org INT 2020}) 13... Bd7 14. g4 ({Better is} 14. O-O $11) 14... Rc8 15. Rg1 Ne6 16. O-O-O {[#] } ({White should play} 16. Kf1 $15) 16... b5 $1 $19 {[%CAl Bb7b5,Bb5b4][%mdl 544]} 17. Ng3 $2 (17. Bxf6 {keeps fighting.} Qxf6 18. axb5) (17. axb5 cxb5) 17... b4 18. Nf5 Bf8 19. g5 hxg5 20. f4 g6 21. fxg5 Nh5 (21... bxc3 22. gxf6 Kh8 23. Ne7 $16) 22. Qf2 bxc3 23. Nh6+ Bxh6 24. gxh6 Qb6 $1 (24... cxb2+ 25. Kb1 $17) 25. bxc3 {aiming for Bxg6!} Nf8 $2 (25... Rb8 $19 26. Qc2 Nf8) 26. Rdf1 $15 Be6 $1 {Hoping for ...Rb8.} (26... Bxh3 27. Qxf7+ Kh8 28. Bf6+ Nxf6 29. Qg7#) 27. Qe2 Qb3 $2 (27... Bxh3 28. Qxh5 Kh8 29. Rxf7 $18) (27... Rb8 $17 28. Qxh5 Qb2+ {[%mdl 64] Double Attack} 29. Kd1 Kh7) 28. Kd2 $1 $16 {[%mdl 1024] Strongly threatening Qxh5. White has strong compensation.} Kh7 { Threatens to win with ...Qa2+.} 29. Bc2 $1 {[%CAl Rc2b3]} Qa2 (29... Qb8 $16 { is a better defense.} 30. Qxh5 Qh2+ 31. Bf2 Rb8) 30. Ra1 $18 Nf4 (30... Qc4 $142) 31. Qh2 ({Stronger than} 31. Rxa2 Nxe2 32. Kxe2 Rb8 $11) ({Not} 31. exf4 Qxc2+ 32. Kxc2 Bf5+ 33. Kd2 Rxe2+ 34. Kxe2 Ne6 $16) 31... Qb2 {[#] And now ... Bf5 would win.} 32. Rgb1 $1 {[%CAl Rb1b2] [#]} Qxc2+ $2 (32... Nd3 $1 {[%mdl 512]} 33. Rxb2 (33. Kxd3 Bf5+) 33... Nxb2) 33. Kxc2 {White is clearly winning.} Bf5+ 34. Kd2 Bxb1 35. Rxb1 N4e6 36. Rb7 g5 37. Rxf7+ {Weighted Error Value: White=0.19/Black=0.55} 1-0 [Event "Chinese-ch Men 2020"] [Site "Xinghua"] [Date "2020.12.22"] [Round "4.2"] [White "Zhang, Rui"] [Black "Yu, Yangyi"] [Result "0-1"] [ECO "B15"] [WhiteElo "1658"] [BlackElo "2709"] [Annotator "TA"] [PlyCount "98"] [EventDate "2020.12.19"] [EventType "tourn"] [EventCountry "CHN"] [SourceTitle "playchess.com"] [Source "ChessBase"] [SourceQuality "1"] {[%evp 10,98,40,11,8,14,9,0,0,-7,7,10,32,4,6,9,2,4,0,0,0,0,4,-20,0,5,21,-8,12, -12,-21,-17,0,0,0,0,0,-19,-23,-76,-76,-81,-76,-83,-41,-89,-74,-76,-13,-156,-54, -78,-47,-214,-190,-183,-211,-236,-236,-236,-236,-236,-236,-236,-236,-379,-271, -271,-271,-464,-445,-387,-264,-255,-253,-6896,-6570,-29970,-29973,-29973,-1419, -29975,-29977,-29977,-29978,-29978,-29979,-29981,-29982,-29982,-29983]} 1. e4 c6 2. d4 d5 3. Nc3 dxe4 4. Nxe4 Nf6 5. Nxf6+ exf6 6. Be3 Bd6 {B15: Caro-Kann: 3 Nc3:3...g6 and 3...dxe4 4 Nxe4 Nf6 5 Nxf6+ exf6.} 7. Bd3 Na6 $5 {[%mdl 4] [#] A promising side line.} 8. Ne2 $146 ({Predecessor:} 8. a3 Nc7 9. c4 O-O 10. Ne2 Re8 11. Qc2 g6 12. h4 f5 13. Bg5 Be7 14. Bxe7 Qxe7 {0-1 (48) Lentjes,N (2239) -Lizak,P (2454) Schwarzach 2016}) 8... Nb4 {The position is equal.} 9. O-O Bg4 10. h3 Bh5 11. Qd2 Nxd3 12. Qxd3 Bg6 13. Qd2 O-O 14. Bf4 Re8 {aiming for ... Rxe2!} 15. Bxd6 Qxd6 16. Ng3 c5 17. d5 b5 18. f4 Be4 (18... h5 {is more complex.} 19. h4 Be4 20. Rfe1 f5 21. Rad1 g6) 19. Nxe4 Rxe4 20. c3 g6 21. Rae1 Rae8 22. Rxe4 Rxe4 $11 {[%mdl 4096] Endgame KQR-KQR} 23. Qd3 f5 24. b3 (24. Qxb5 $11 Qxd5 25. Qb8+ Kg7 26. Qxa7) 24... c4 $17 25. Qd2 a5 26. Kh1 h5 27. Rf3 h4 28. Rf1 Kf8 (28... cxb3 $17 29. axb3 a4) 29. Rf2 (29. bxc4 $11 bxc4 30. Kh2) 29... Kg7 (29... cxb3 $1 $17 30. axb3 a4 31. bxa4 bxa4) 30. Rf1 Kg8 31. Rf2 $2 {This costs White the game.} (31. bxc4 $15 Rxc4 32. Qd3) 31... cxb3 $1 $19 32. axb3 a4 33. bxa4 bxa4 {[%CAl Bb5a4,Ba4a3][%mdl 32]} 34. Rf1 a3 35. Rc1 Rc4 36. Qa2 Rxf4 ({Don't take} 36... Qxd5 37. Qxa3 Rxf4 38. Qb2) 37. c4 (37. Rd1 $142) 37... Rd4 38. c5 Qxd5 39. Qxa3 $2 {[#]} (39. Qxd5 {was the only defense.} Rxd5 40. c6) 39... Rd3 $1 {[%CAl Rd3a3]} 40. Qb2 Rd2 {[%csl Gd2][%CAl Rd5g2]} 41. Qb8+ Kg7 {[%csl Gd2][%CAl Rd5g2]} 42. Qh2 $2 (42. Rg1) 42... Rd1+ 43. Rxd1 Qxd1+ 44. Qg1 {[#]} Qxg1+ $1 45. Kxg1 {KP-KP} Kf6 {Black mates.} 46. Kf2 Ke5 47. Kf3 Kd5 48. g4 hxg3 49. Kxg3 Kxc5 {Accuracy: White = 55%, Black = 75%.} 0-1 [Event "Chinese-ch Men 2020"] [Site "Xinghua"] [Date "2020.12.22"] [Round "4.3"] [White "Ju, Wenjun"] [Black "Zhao, Jun"] [Result "1/2-1/2"] [ECO "D12"] [WhiteElo "2560"] [BlackElo "2638"] [Annotator "TA"] [PlyCount "110"] [EventDate "2020.12.19"] [EventType "tourn"] [EventCountry "CHN"] [SourceTitle "playchess.com"] [Source "ChessBase"] [SourceQuality "1"] {[%evp 11,110,23,24,16,31,11,40,12,18,1,-6,-6,18,25,25,18,53,0,0,-36,-37,-26, -25,-43,-28,-48,-53,-57,14,13,39,39,45,38,59,48,60,47,136,-129,147,91,166,56, 142,142,129,97,97,97,124,123,135,132,120,112,118,112,124,109,114,87,91,73,97, 33,44,0,0,0,42,42,60,0,0,0,0,0,0,-4,-8,-99,-80,-77,-16,-18,0,0,0,0,0,0,0,0,0,0, 0,0,0,0,0]} 1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. e3 Bf5 5. Nc3 e6 6. Nh4 Bg6 7. Be2 {D12: Slav Defence: 3 Nf3 Nf6 4 e3 Bf5.} Nbd7 8. g3 Bd6 9. Nxg6 {White is slightly better.} hxg6 10. Qc2 Qe7 11. Bd2 a6 12. c5 Bc7 13. f4 {[#]} Ba5 $146 ({Predecessor:} 13... g5 14. O-O gxf4 15. exf4 b6 16. b4 a5 17. a3 O-O 18. Kg2 Rfb8 19. Bd3 Nf8 {1-0 (53) Hambleton,A (2501)-Smith,D (2070) chess.com INT 2018 }) 14. Nb1 (14. O-O $14) 14... Bc7 $11 15. Bf3 g5 16. Nc3 gxf4 17. exf4 b6 18. b4 a5 19. Na4 axb4 (19... O-O $15) 20. cxb6 Bd6 21. Qxc6 O-O 22. O-O Rfb8 23. Rfc1 Qf8 24. Be2 $36 {[%mdl 2048] White has good play.} Be7 (24... Qe7 $1 $14) 25. Rab1 $2 {[%mdl 8192] [#]} (25. b7 $16 {keeps the pressure on.} Ra7 26. Ba6) 25... g6 $2 {[%mdl 8192] [#]} (25... Nxb6 $1 $17 26. Nxb6 Rxa2) 26. Be1 (26. b7 $142 $1 {[%CAl Rb7a8]} Ra7 27. Ba6) 26... Kg7 (26... Kh7 $16 {was called for.} 27. Bf1 Qh8) 27. Bf1 (27. b7 $18 Ra7 28. Ba6) 27... Rxa4 ({Black should play} 27... Qh8 $14) 28. Qxa4 $16 {[%CAl Re1b4]} Nxb6 29. Qa7 Nc4 30. Bxc4 Ra8 31. Qb7 Rb8 32. Qc6 dxc4 33. Qxc4 Nd5 34. Qe2 Ra8 35. Rc2 Bf6 36. Qe4 Ra4 37. Rd1 Qa8 38. Qe2 (38. Rdd2 $16) 38... Qa7 $14 39. Kh1 Qa8 {White must now prevent .. .Nxf4+.} 40. Kg1 Qa7 41. Rd3 Nc3 42. Rcxc3 ({Better is} 42. Qe3 $14) 42... bxc3 $11 ({But not} 42... Bxd4+ $2 43. Rxd4 Qxd4+ 44. Qe3 $18) 43. Bxc3 Rxa2 44. Rd2 Ra3 45. Bb2 Rb3 {And now ...Rxb2! would win.} 46. Kf1 (46. Rd3 $11 Rb5 47. Qc2) 46... Qb7 $17 {[%mdl 1024] Black has strong compensation.} 47. Qg2 Rf3+ (47... Qa6+ $17 48. Qe2 Qa8) 48. Kg1 $11 {Strongly threatening Rd3!The position is equal.} Qe4 {( -> ...Qe1+)} 49. Rf2 $1 Qe1+ 50. Qf1 Qe3 51. Kg2 Rxf2+ 52. Qxf2 Qe4+ 53. Qf3 Qc2+ 54. Qf2 Qe4+ 55. Qf3 Qc2+ {Weighted Error Value: White=0.28/ Black=0.22} 1/2-1/2 [Event "Chinese-ch Men 2020"] [Site "Xinghua"] [Date "2020.12.22"] [Round "4.4"] [White "Huang, Renjie"] [Black "Xu, Yinglun"] [Result "1/2-1/2"] [ECO "B52"] [WhiteElo "2422"] [BlackElo "2554"] [Annotator "TA"] [PlyCount "40"] [EventDate "2020.12.19"] [EventType "tourn"] [EventCountry "CHN"] [SourceTitle "playchess.com"] [Source "ChessBase"] [SourceQuality "1"] {[%evp 16,40,3,0,6,-7,0,-12,0,0,-8,-6,-10,-10,0,-15,-10,-7,0,0,0,-11,0,0,0,-8, 0]} 1. e4 c5 2. Nf3 d6 3. Bb5+ Bd7 4. Bxd7+ Nxd7 5. O-O Ngf6 6. Re1 e6 7. c3 Be7 8. d4 O-O $1 {[%mdl 4] outshines the older 8...cxd4. Played by Liren Ding in June 2020.} 9. e5 {The position is equal.} Ne8 {[#] 9...Nd5 is not played anymore. B52: Sicilian: Moscow Variation with 3...Bd7.} 10. dxc5 $146 ({ Predecessor:} 10. Qe2 cxd4 11. cxd4 Nb6 12. Qe4 Qd7 13. Bg5 Nd5 14. Nbd2 Rc8 15. Nf1 h6 16. Bxe7 Nxe7 17. Ng3 {1/2-1/2 (34) Nakamura,H (2736)-Ding,L (2791) chess24.com INT 2020}) 10... Nxc5 11. Be3 Qc7 12. Bxc5 Qxc5 13. Nbd2 Rd8 14. Qb3 Qc7 15. Nc4 dxe5 16. Ncxe5 Bf6 17. Ng4 Be7 18. Nge5 Bf6 19. Ng4 Be7 20. Nge5 Bf6 {Not much happened in this game. Accuracy: White = 100%, Black = 100%. } 1/2-1/2 [Event "Chinese-ch Men 2020"] [Site "Xinghua"] [Date "2020.12.22"] [Round "4.5"] [White "Lin, Yi"] [Black "Lu, Shanglei"] [Result "1/2-1/2"] [ECO "D37"] [WhiteElo "2408"] [BlackElo "2615"] [Annotator "TA"] [PlyCount "60"] [EventDate "2020.12.19"] [EventType "tourn"] [EventCountry "CHN"] [SourceTitle "playchess.com"] [Source "ChessBase"] [SourceQuality "1"] {[%evp 9,60,27,33,27,30,33,83,14,14,17,9,20,25,0,0,0,0,-6,-6,-4,0,0,0,0,0,0,0, 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,9,0,0,0,0,-4,0,0,0,0,0]} 1. d4 Nf6 2. c4 e6 3. Nf3 a6 4. Nc3 d5 5. cxd5 exd5 6. Bg5 {D37: Queen's Gambit Declined: 5 Bf4.} Be6 7. e3 h6 8. Bf4 {[#]} (8. Bxf6 $16 gxf6 9. Bd3) 8... c5 $146 ({Predecessor:} 8... Nbd7 9. h3 Be7 10. Bd3 c5 11. dxc5 Nxc5 12. O-O O-O 13. Rc1 Rc8 14. Bb1 Qd7 {1/2-1/2 (95) Ding,L (2811)-Nepomniachtchi,I (2776) chess.com INT 2019}) 9. dxc5 Bxc5 10. Bd3 Nc6 11. h3 O-O {The position is equal.} 12. O-O d4 13. exd4 Nxd4 14. Rc1 {[%CAl Ba1c1,Bc1c2,Bc2d2][%mdl 32]} Rc8 15. Be5 {[#] Threatens to win with Nxd4.} Nxf3+ 16. Qxf3 Bd4 17. Bxd4 Qxd4 18. Rfd1 {And now Bh7+! would win.} Qb4 19. Rc2 Rfe8 20. Bf5 Bxf5 21. Qxf5 Rc5 22. Qf3 Rce5 23. Rcd2 Re1+ 24. Rxe1 Rxe1+ 25. Kh2 Re8 (25... Qe7 {is more complex.} 26. g3 b5 27. a3 g6 28. Re2 Rxe2 29. Nxe2 Kg7) 26. Re2 Rxe2 27. Qxe2 Qd6+ 28. Kg1 Qc6 29. Qd2 Qb6 30. b3 Qc6 {Weighted Error Value: White=0.07/Black=0.03} 1/2-1/2 [Event "Chinese-ch Men 2020"] [Site "Xinghua"] [Date "2020.12.22"] [Round "4.6"] [White "Bai, Jinshi"] [Black "Wei, Yi"] [Result "1/2-1/2"] [ECO "D45"] [WhiteElo "2618"] [BlackElo "2732"] [Annotator "TA"] [PlyCount "39"] [EventDate "2020.12.19"] [EventType "tourn"] [EventCountry "CHN"] [SourceTitle "playchess.com"] [Source "ChessBase"] [SourceQuality "1"] {[%evp 15,39,11,11,0,8,0,0,0,0,0,0,-11,0,0,0,0,0,0,0,0,0,0,0,0,0,0]} 1. d4 d5 2. c4 e6 3. Nf3 Nf6 4. Nc3 c6 5. e3 Nbd7 6. Qc2 Bd6 7. Be2 O-O 8. O-O b6 { The position is equal.} 9. a4 {D45: Semi-Slav: 5 e3.} a5 10. e4 dxe4 11. Nxe4 Nxe4 12. Qxe4 Bb7 13. Rd1 Qc7 14. Bd3 {[%csl Gd3][%CAl Re4h7] [#]} g6 $1 15. Qh4 {[#]} Rfe8 $146 ({Predecessor:} 15... c5 16. Ng5 Nf6 17. Be3 cxd4 18. Bxd4 Be5 19. Bf1 Bc6 20. b3 Kg7 21. Re1 Bxd4 22. Qxd4 {0-1 (56) Vitiugov,N (2722) -Moskalenko,A (2515) chess.com INT 2020}) 16. Ng5 Nf6 17. Nh3 Nd7 (17... Bxh2+ $6 18. Kf1 $16) 18. Ng5 Nf6 19. Nh3 Nd7 ({But not} 19... Bxh2+ $6 20. Kf1 $16) 20. Ng5 {An uneventful encounter. Weighted Error Value: White=0.02/Black=0.01} 1/2-1/2 [Event "Chinese-ch Men 2020"] [Site "Xinghua"] [Date "2020.12.23"] [Round "5.1"] [White "Wei, Yi"] [Black "Xu, Xiangyu"] [Result "1-0"] [ECO "D85"] [WhiteElo "2732"] [BlackElo "2573"] [Annotator "TA"] [PlyCount "125"] [EventDate "2020.12.19"] [EventType "tourn"] [EventCountry "CHN"] [SourceTitle "playchess.com"] [Source "ChessBase"] [SourceQuality "1"] {[%evp 16,125,41,0,4,0,21,14,23,0,0,0,0,0,0,0,34,20,20,11,29,45,35,0,0,0,0,0,0, 0,0,0,0,0,0,0,0,0,0,0,0,0,80,37,32,27,31,25,75,44,123,111,137,126,224,207,507, 493,599,599,599,599,339,586,570,550,1179,1187,1355,1336,1775,1591,704,2372, 1539,2688,5824,2873,675,2616,8075,7025,5293,6628,6116,3386,5933,2231,2071,1801, 2692,711,2694,2614,2445,2518,1944,1807,1468,1208,12842,12843,12843,12843,12844, 12844,12845,12844,12844,12845,12847,12847]} 1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. cxd5 Nxd5 5. e4 Nxc3 6. bxc3 c5 7. Nf3 Bg7 8. Be3 Bg4 9. Qa4+ Nc6 {D85: Exchange Grünfeld: Unusual White 7th moves and lines with 7 Nf3.} 10. Rc1 $5 { [%mdl 4] Hoping for d5. An interesting side line.} Bxf3 11. gxf3 e6 {The position is equal.} 12. Bb5 {aiming for d5.} (12. dxc5 {looks sharper.} O-O 13. h4 Ne5 14. Rd1 Qc7 15. Be2) 12... O-O {[%CAl Rc5d4]} 13. Bxc6 bxc6 {[#]} 14. h4 $146 ({Predecessor:} 14. O-O Qh4 15. Qxc6 Rac8 16. Qd6 e5 17. dxc5 Qh3 18. Qd1 f5 19. c6 Kh8 20. Re1 {1-0 (32) Melkumyan,H (2668)-Xu,X (2582) Moscow 2019}) 14... h5 15. Kf1 Kh7 16. dxc5 Qc7 17. Kg2 Bf6 18. Rhd1 Rfd8 19. Kh3 Bxh4 20. Rd6 (20. Kxh4 {leads to mate.} Qh2+ 21. Kg5 Kg7 22. Rd7 Rxd7 23. Qd4+ Rxd4 24. Bxd4+ e5 25. Bxe5+ Qxe5+ 26. Kh4 Qh2+ 27. Kg5 f6#) 20... Be7 21. e5 Bxd6 22. cxd6 Qc8 23. Qf4 Rd7 $1 24. Qh6+ Kg8 25. Rg1 {White wants to play Qxh5.} Rb8 26. Kh2 Qf8 {...Qxh6 is the strong threat.} 27. Qxh5 Qg7 28. Qg5 Rf8 (28... Rb5 $1 $11 29. Bf4 Rc5) 29. Bd4 c5 $1 30. Bxc5 f6 $1 {[%CAl Rf6g5]} 31. Qg4 $36 { [%mdl 2048] White is pushing.} Kf7 32. Qa4 Rb7 {Black is on the road to losing. } ({Black should play} 32... Kg8 $14) 33. Kg2 $16 fxe5 34. Be3 Kg8 (34... Rd8 $16) 35. Qg4 $18 Rbf7 $2 (35... Rd7 {is a better defense.}) 36. c4 {[%CAl Bc3c4,Bc4c5][%mdl 32]} Rxf3 37. Qxe6+ Qf7 38. Qxf7+ R3xf7 {[%mdl 4096] Endgame KRR-KRB} 39. c5 Rd7 {White is clearly winning.} 40. Rd1 Rc8 {...Kf7 would now be nice for Black.} 41. Kf3 Kf7 42. Ke4 Ke6 43. Rd5 Rf7 44. Rxe5+ Kd7 45. Kd5 Rc6 46. Bd2 Ra6 47. a4 Rc6 48. Bc3 Rf5 {[#]} 49. f4 $1 {[%mdl 512]} Ra6 (49... Rxf4 50. Re7+) 50. Be1 Rc6 51. Ba5 Ra6 52. Bd2 Rc6 53. Kc4 (53. Be3 $142 Ra6 54. Bd4) 53... Rf7 54. Be3 Rc8 {[#]} 55. Kd5 $1 Rc6 56. Bc1 Rf5 57. Bd2 Rc8 58. Rxf5 gxf5 59. Ba5 Rc6 60. Bc7 Ra6 61. a5 Rc6 {[#]} 62. Bb6 $1 {[%mdl 512]} a6 { [#]} (62... axb6 63. axb6) 63. Bd8 $1 {[%mdl 512] Weighted Error Value: White=0.07/Black=0.29} 1-0 [Event "Chinese-ch Men 2020"] [Site "Xinghua"] [Date "2020.12.23"] [Round "5.2"] [White "Lu, Shanglei"] [Black "Bai, Jinshi"] [Result "1-0"] [ECO "C24"] [WhiteElo "2615"] [BlackElo "2618"] [Annotator "TA"] [PlyCount "55"] [EventDate "2020.12.19"] [EventType "tourn"] [EventCountry "CHN"] [SourceTitle "playchess.com"] [Source "ChessBase"] [SourceQuality "1"] {[%evp 9,55,22,25,22,17,15,6,11,20,9,17,10,16,14,23,14,22,-15,-6,-16,-8,0,0,0, 0,1,0,0,0,0,0,0,0,0,236,227,265,253,259,135,848,829,809,783,29992,29993,29994, 29995]} 1. e4 e5 2. Bc4 Nf6 3. d3 c6 4. Nf3 d5 5. Bb3 a5 {And now ...a4 would win.} 6. a4 {C24: Bishop's Opening: 2...Nf6.} (6. Nxe5 $2 a4 $19) 6... Bb4+ 7. c3 Bd6 8. exd5 {The position is equal.} Nxd5 (8... cxd5 9. Bg5 Be6 10. Na3 Nbd7 11. Nb5 Bb8 12. O-O O-O 13. Re1 Re8 14. Bh4 Ra6 15. Nd2 Nc5 16. Bc2 {1-0 (39) Lu,S (2620)-Bai,J (2585) China 2017}) 9. O-O O-O {[#]} 10. Bg5 $5 $146 { [%mdl 8] An interesting novelty.} ({Predecessor:} 10. Re1 Re8 11. Bg5 f6 12. Bh4 Be6 13. Nbd2 Nd7 14. Nc4 Bc7 15. d4 exd4 16. Nxd4 {0-1 (46) Nabaty,T (2692) -Fridman,D (2591) Batumi 2018}) 10... f6 11. Bh4 Kh8 12. Re1 Bg4 13. d4 exd4 14. Qxd4 Bxf3 15. gxf3 Na6 16. Nd2 Bc5 17. Qc4 Nxc3 18. bxc3 {Strongly threatening Ne4.} ({Don't play} 18. Qxc3 Bb4 $17) 18... Qxd2 19. Rad1 Qh6 20. Bg3 f5 {Threatens to win with ...f4.} 21. Re6 $36 {[%mdl 2048] White is pushing.} Qh5 $2 (21... Rf6 $1 $11) 22. Be5 $1 $18 Qg5+ ({And not} 22... Qxf3 23. Bxg7+ $1 {[%mdl 512]} Kxg7 24. Rd7+ Rf7 25. Rxf7+ Kg8 26. Re8+ $1 {[%mdl 512]} Rxe8 27. Rf8+ $1 {[%mdl 512]} Kg7 28. Qg8+ Kh6 29. Rf6+ Kh5 30. Bf7+ { [%mdl 64] Double Attack} Kh4 31. Rh6+ {[%mdl 64] Double Attack} Qh5 32. Rxh5# ( 32. Bxh5 $2 {loses.} Rxg8+ 33. Kf1 Rh8 $19)) 23. Kh1 Bxf2 {[#] White must now prevent ...Nc5.} 24. Qf1 (24. Qe2 $1 $18 {[%CAl Re2f2]} Nc5 25. Qxf2 Nxe6 26. Bxe6) 24... Bc5 $2 {[%mdl 8192] A mistake that costs the game.} (24... Bg3 $16) 25. f4 Qh4 26. Rd3 {aiming for Rh3.} Qh5 27. Rh3 Qf7 {[#]} 28. Reh6 $1 { [%mdl 512] Weighted Error Value: White=0.07/Black=0.57} 1-0 [Event "Chinese-ch Men 2020"] [Site "Xinghua"] [Date "2020.12.23"] [Round "5.3"] [White "Xu, Yinglun"] [Black "Lin, Yi"] [Result "1/2-1/2"] [ECO "D35"] [WhiteElo "2554"] [BlackElo "2408"] [Annotator "TA"] [PlyCount "161"] [EventDate "2020.12.19"] [EventType "tourn"] [EventCountry "CHN"] [SourceTitle "playchess.com"] [Source "ChessBase"] [SourceQuality "1"] {[%evp 18,161,25,27,31,14,29,34,54,54,54,55,67,60,47,53,75,93,74,79,120,122, 123,108,108,109,115,110,114,116,129,107,107,100,117,95,97,96,102,78,79,79,79, 69,79,0,109,108,101,99,92,93,100,40,78,73,80,80,80,86,104,111,115,88,138,138, 138,138,138,138,145,0,145,153,153,132,135,137,149,69,138,82,82,70,75,75,76,76, 86,59,134,134,134,134,134,134,134,134,134,134,134,94,94,94,94,8,80,8,80,31,31, 8,8,8,8,8,8,8,8,8,8,8,8,13,13,8,8,10,11,11,11,11,11,11,11,0,0,0,0,0,0,0,0,0,0, 0]} 1. c4 e6 2. Nc3 d5 3. d4 Nf6 4. cxd5 exd5 5. Bg5 c6 6. e3 Bf5 7. Qf3 Bg6 8. Bxf6 Qxf6 9. Qxf6 gxf6 10. Nf3 Nd7 {D35: Queen's Gambit Declined: Exchange Variation.} 11. Nh4 Be7 12. Ne2 f5 {White is slightly better.} 13. g3 Bxh4 14. gxh4 Nf6 15. Ng3 f4 16. exf4 Nh5 17. Nxh5 Bxh5 18. Rg1 {[#]} f6 $146 ({ Predecessor:} 18... Kf8 19. Bd3 Rg8 20. Rg5 Bg6 21. f5 h6 22. Rg3 Bh5 23. Kd2 Ke7 24. Ke3 Kf6 {1/2-1/2 (30) Parligras,M (2623)-Rakhmanov,A (2647) Kragujevac 2018}) 19. Rg7 Bf7 20. Bd3 Kf8 21. Rg3 ({Of course not} 21. Rxh7 $6 Rxh7 22. Bxh7 Kg7 $11) 21... Bg6 22. f5 ({Much weaker is} 22. Bxg6 hxg6 23. Rxg6 Kf7 $11 ) 22... Bf7 23. Kd2 Rg8 24. a4 a5 25. Re1 h5 26. h3 Re8 27. Rb1 Ra8 28. b4 axb4 29. Rxb4 Ra7 30. Be2 Be8 31. Re3 (31. Bd1 $16) 31... Bd7 (31... Rg2 $11) 32. Bxh5 $16 Rh8 33. Bg4 Rxh4 34. a5 Bc8 35. Ra3 (35. Ra4 $1 $16) 35... Rh7 36. Rb6 Ke7 37. a6 Kd6 {[%CAl Rb7a6]} 38. axb7 Rhxb7 39. Rxb7 Rxb7 {[%mdl 4096] Endgame KRB-KRB} 40. Ke3 Rh7 41. Kf4 Bd7 42. Ra8 $1 Ke7 43. Rb8 Kd6 44. Ra8 Ke7 $1 45. Ke3 Kd6 46. Rf8 Ke7 47. Rb8 Kd6 48. Kd3 ({White should play} 48. Kf4 $16 ) 48... Ke7 (48... c5 $14) 49. Kc3 (49. Ke2 $142 $1) 49... Kd6 50. Kb4 Rh6 51. Rg8 Rh7 52. Ra8 Rh6 53. Ka5 c5 ({Better is} 53... Rh7 $14) 54. Ra6+ Bc6 55. Bd1 $1 {[%CAl Rd1a4]} Kc7 56. dxc5 Rxh3 {[#] And now ...Ra3+ would win.} 57. Ra7+ $1 Bb7 {[#]} 58. Ba4 $1 {aiming for c6.} Rh8 59. Bb5 {Ba6 is the strong threat. } Ra8 60. Rxa8 Bxa8 {KB-KB} 61. Be8 (61. Kb4 $16) 61... d4 (61... Bc6 $11 { remains equal.} 62. Bh5 d4) 62. Kb4 (62. Bb5 $16) 62... Bd5 (62... Bc6 $11 63. Bh5 d3) 63. Bh5 Be4 64. Bg4 {With the idea Kc4.} Bd3 {The position is equal.} 65. Bh3 Kc6 66. Bg2+ Kc7 67. Kb3 Bxf5 68. Kc4 d3 69. Kc3 Bg6 70. Bd5 Bf5 71. f3 Bg6 72. f4 Bf5 73. Bf3 Kd7 74. Kd4 Kc7 75. Ke3 Kd7 76. Bd1 Kc6 77. Kd4 Kc7 78. Ba4 d2 79. Kc3 Bd7 80. Bd1 Kc6 81. Kd4 {Black defended with fortune. Weighted Error Value: White=0.11/Black=0.10} (81. Kxd2 $5 {[%CAl Rd1a4]} Kxc5 82. Ke3 $11) 1/2-1/2 [Event "Chinese-ch Men 2020"] [Site "Xinghua"] [Date "2020.12.23"] [Round "5.4"] [White "Zhao, Jun"] [Black "Huang, Renjie"] [Result "1/2-1/2"] [ECO "D30"] [WhiteElo "2638"] [BlackElo "2422"] [Annotator "TA"] [PlyCount "121"] [EventDate "2020.12.19"] [EventType "tourn"] [EventCountry "CHN"] [SourceTitle "playchess.com"] [Source "ChessBase"] [SourceQuality "1"] {[%evp 9,121,16,35,28,30,31,33,25,28,18,23,22,41,31,36,35,43,44,32,29,49,47,50, 39,91,81,81,80,71,78,73,83,103,0,42,50,28,36,35,30,56,0,0,0,0,0,0,0,0,0,5,5,5, 5,9,0,0,6,7,0,0,0,7,7,15,11,24,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, 0,0,0,0,0,0,0,8,0,8,8,8,0,8,0,8,8,8,8,8,8,8,8]} 1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. e3 e6 5. b3 Bb4+ 6. Nbd2 {D30: Queen's Gambit Declined: Systems without Nc3.} Nbd7 7. Bb2 b6 8. Bd3 {White is slightly better.} Bb7 9. a3 Bd6 {[#]} 10. b4 $146 ({Predecessor:} 10. O-O O-O 11. Ne5 Qe7 12. f4 Rfd8 13. Qe2 c5 14. Ndf3 { 1/2-1/2 (14) Sinanan,J (2276)-Cozianu,C (2446) Seattle 2011}) 10... c5 11. cxd5 exd5 12. dxc5 bxc5 13. bxc5 Bxc5 14. Rb1 {[#] Threatens to win with Bxf6.} Rb8 15. O-O O-O 16. Nb3 Qe7 ({Black should try} 16... Bd6 $14) 17. Nxc5 Nxc5 18. Be5 Rbc8 19. Bf5 Rc6 20. Qd4 g6 21. Bh3 (21. Bxf6 $16 Qxf6 22. Qxf6 Rxf6 23. Rfc1 gxf5 24. Rxc5) 21... Ba6 22. Rfc1 Bc4 23. Bxf6 Qxf6 24. Ne5 {[%mdl 64] [#] Double Attack} Rc7 25. f4 ({Much weaker is} 25. Nxc4 Qxd4 26. exd4 Nd3 $15) ( 25. g3 $14) 25... Qe7 $11 26. Nxc4 dxc4 27. Rxc4 Rd8 28. Qe5 Qxe5 29. fxe5 Rd5 30. e6 fxe6 31. Rbc1 Kf7 32. Bg4 Ke7 33. Bf3 Re5 34. Rh4 h5 35. Rhc4 Kd7 36. h4 Na6 37. Be4 {White wants to play Rd4+.} g5 38. hxg5 (38. Rd4+ {with more complications.} Ke7 39. Rf1 Nc5 40. Bg6 Rd7 41. Bxh5 gxh4 42. Rf7+) 38... Rxg5 {The position is equal.} 39. Bf3 Rxc4 40. Rxc4 {[%mdl 4096] Endgame KRB-KRN} Ra5 41. a4 Nc5 42. Bd1 Ke7 43. Rh4 Nd3 44. Rxh5 (44. Kf1 {feels hotter.} Rf5+ 45. Ke2 Nc5 46. Bc2 Rg5 47. Kf2) 44... Rxh5 45. Bxh5 {KB-KN} Nb2 $1 46. a5 Nc4 47. a6 Nxe3 48. Kf2 Nd5 49. Bf3 {Bxd5 is the strong threat.} Nc7 50. Be2 Kf6 51. Kg3 Kg5 52. Bc4 e5 53. Kf3 Kh4 54. Be2 Kg5 55. Ke4 Kh4 56. Kf3 Kg5 57. g3 Ne6 58. Ke4 Nc5+ 59. Kxe5 Nxa6 $1 60. Bxa6 {Be2 would kill now.} Kg4 61. Ke4 { Weighted Error Value: White=0.06/Black=0.04} 1/2-1/2 [Event "Chinese-ch Men 2020"] [Site "Xinghua"] [Date "2020.12.23"] [Round "5.5"] [White "Yu, Yangyi"] [Black "Ju, Wenjun"] [Result "1/2-1/2"] [ECO "A28"] [WhiteElo "2709"] [BlackElo "2560"] [Annotator "TA"] [PlyCount "93"] [EventDate "2020.12.19"] [EventType "tourn"] [EventCountry "CHN"] [SourceTitle "playchess.com"] [Source "ChessBase"] [SourceQuality "1"] {[%evp 12,93,9,0,17,0,2,6,21,16,5,0,0,0,0,3,13,11,20,16,18,0,0,0,0,-7,0,0,35, -15,0,0,-1,-21,-17,-11,-23,-18,-31,-35,0,0,0,0,0,0,0,0,0,0,0,-15,-15,-18,-12, -22,-23,-16,0,-16,-7,-14,-5,0,0,-7,0,0,0,-14,0,0,0,0,0,0,0,0,0,0,0,0,0,0]} 1. c4 e5 2. Nc3 Nf6 3. Nf3 Nc6 4. a3 d5 5. cxd5 Nxd5 6. Qc2 Be7 7. e3 a6 {A28: English Opening: Four Knights Variation.} 8. Nxd5 Qxd5 9. Bd3 Be6 10. Be4 Qd6 11. b4 Bd5 12. Bb2 Rd8 13. Rc1 {[#]} Qe6 $146 ({Predecessor:} 13... Bxe4 14. Qxe4 Qe6 15. h3 f6 16. d4 f5 17. Rxc6 bxc6 18. Qxe5 Qb3 19. Qxg7 Rf8 20. Qxh7 Qxb2 {1/2-1/2 (20) Dahlstroem,R (2457)-Isigkeit,H (2376) ICCF email 2009}) 14. Bf5 Qd6 15. O-O g6 {[#] Threatens to win with ...Bxf3.} 16. e4 Ba2 17. Bh3 O-O 18. Bc3 Bc4 19. Rfe1 $1 b5 20. Qb2 f6 21. g3 {[#]} a5 $1 {[%CAl Ra5b4][%mdl 512]} 22. Bf1 (22. d3 {keeps more tension.} Qxd3 23. Nd2 axb4 24. Nxc4 bxc3 25. Rxc3 Qd4 26. Ne3) (22. bxa5 Qxa3) 22... Bxf1 23. Kxf1 axb4 24. Bxb4 Nxb4 25. axb4 Qxb4 26. Qa2+ Rf7 27. Rxc7 Qa3 28. Qxa3 Bxa3 29. Rc6 Rb8 30. Rb1 Bf8 31. d3 b4 32. Nd2 Kg7 33. Ke2 Ra7 34. Rb2 h5 {The position is equal.} 35. h4 Rb5 36. Nb3 Kf7 37. Rbc2 Rbb7 38. f4 Ra3 39. Rb2 Rba7 40. Ke3 Ra2 41. Rxa2 Rxa2 $11 {[%mdl 4096] Endgame KRB-KRN} 42. Nd2 Bh6 43. Nc4 Rh2 44. Rc7+ Kg8 45. Rc8+ Kf7 46. Rc7+ Kg8 47. Rc8+ {Not much happened in this game. Weighted Error Value: White=0.05/Black=0.05} 1/2-1/2 [Event "Chinese-ch Men 2020"] [Site "Xinghua"] [Date "2020.12.23"] [Round "5.6"] [White "Wen, Yang"] [Black "Zhang, Rui"] [Result "1-0"] [ECO "D02"] [WhiteElo "2594"] [BlackElo "1658"] [Annotator "TA"] [PlyCount "97"] [EventDate "2020.12.19"] [EventType "tourn"] [EventCountry "CHN"] [SourceTitle "playchess.com"] [Source "ChessBase"] [SourceQuality "1"] {[%evp 9,97,7,15,15,15,12,15,15,15,11,17,14,45,17,25,27,20,20,31,10,16,-2,-8, -9,12,22,29,19,27,25,27,21,47,47,43,42,112,74,126,86,96,79,102,66,129,92,94,90, 98,90,184,186,172,158,243,232,292,243,244,210,231,232,269,264,362,366,363,354, 358,348,500,487,512,505,495,476,590,591,589,579,643,628,607,602,853,848,912, 911,879,852]} 1. d4 d5 2. Nf3 Nf6 3. Bf4 e6 4. Nbd2 Bd6 5. Bg5 h6 6. Bxf6 { D02:1 d4 d5 2 Nf3 sidelines, including 2...Nf6 3 g3 and 2...Nf6 3 Bf4.} Qxf6 7. e4 {[#] And now e5 would win.} dxe4 8. Nxe4 {The position is equal.} Qe7 9. Bd3 Nd7 10. Qe2 Nf6 {[#]} 11. Ne5 $146 ({Predecessor:} 11. O-O-O Bd7 12. Ne5 O-O-O 13. Nxd6+ cxd6 14. Nxd7 Rxd7 15. Kb1 d5 16. f4 g6 17. g4 {0-1 (41) Grischuk,A (2777)-Duda,J (2757) Chess.com INT 2020}) 11... Bxe5 12. dxe5 Nd5 13. O-O Bd7 14. f4 O-O-O 15. Qf2 Kb8 16. a3 f5 17. exf6 $1 Nxf6 18. Rae1 Bc6 19. Qc5 Qd7 20. Nd2 Qd5 21. Qxd5 exd5 22. Nf3 Ne4 (22... Rhe8 $14) 23. Ne5 {Strongly threatening Bxe4.} Rhe8 ({Black should play} 23... Nd6) 24. h4 Re6 25. Re3 a6 26. h5 Ka7 (26... Nf6 $14) 27. Rfe1 Rf8 28. Ng6 Rfe8 29. g4 Nc5 (29... Rd6 $16) 30. Ne5 $18 Nxd3 31. cxd3 ({Don't play} 31. Rxd3 $6 Rf8 $16) 31... Rf8 (31... Ka8 $16) 32. f5 Rd6 33. d4 Bb5 34. Ng6 Rg8 35. Re6 Rxe6 36. Rxe6 {[%mdl 4096] Endgame KRB-KRN} c5 37. dxc5 d4 38. Rd6 Rc8 39. b4 ({Weaker is} 39. Rxd4 Rxc5 40. Nf4 Rc7 $18) 39... d3 (39... Re8 $142 40. Rxd4 a5 41. bxa5 Ka6) 40. Nf4 { White is clearly winning.} Re8 41. Ne6 Bc4 42. Kf2 Re7 43. Ke3 Bb5 44. Kd2 Rf7 45. Nd4 Ba4 46. Kxd3 Bd1 47. Rg6 Rd7 48. Ke3 Re7+ 49. Ne6 {Weighted Error Value: White=0.09/Black=0.28} 1-0 [Event "Chinese-ch Men 2020"] [Site "Xinghua"] [Date "2020.12.24"] [Round "6.1"] [White "Xu, Xiangyu"] [Black "Zhang, Rui"] [Result "1-0"] [ECO "D10"] [WhiteElo "2573"] [BlackElo "1658"] [Annotator "TA"] [PlyCount "101"] [EventDate "2020.12.19"] [EventType "tourn"] [EventCountry "CHN"] [SourceTitle "playchess.com"] [Source "ChessBase"] [SourceQuality "1"] {[%evp 16,101,33,34,34,34,33,33,43,32,39,31,33,47,91,93,110,41,118,112,121,124, 111,83,92,45,48,65,58,60,87,74,102,90,99,91,72,0,0,-112,-109,-109,0,-221,0,0,0, -154,0,0,0,-131,-141,-125,0,-14,22,13,163,48,82,96,152,125,169,172,340,349,326, 333,353,311,304,284,372,335,569,558,719,708,1827,1661,2202,2087,29971,29972, 29990,29991]} 1. d4 d5 2. c4 c6 3. cxd5 cxd5 4. Bf4 Nf6 5. e3 e6 6. Nc3 Bd6 7. Bxd6 Qxd6 8. Bd3 Nc6 9. f4 a6 {D10: Slav Defence: 3 cxd5 (without early Nf3) and 3 Nc3.} 10. Nf3 b5 11. Ne5 Bb7 {White is slightly better.} 12. Rc1 Na5 {[#] } 13. O-O $146 ({Predecessor:} 13. b3 Ne4 14. O-O f6 15. Qh5+ Ke7 16. Qf7+ Kd8 17. Qxg7 Rf8 18. Nf7+ Rxf7 19. Qxf7 Qe7 20. Qh5 Kd7 21. Bxe4 dxe4 22. d5 { 1-0 (22) Andriyanov,I (1960)-Petrovskis,O (1906) Panevezys 2012}) 13... Nc4 14. Qe2 Qe7 15. a4 $1 b4 16. Na2 (16. Bxc4 $16 {aiming for Bb5+.} dxc4 17. Nb1) 16... Nxe5 (16... O-O $14) 17. fxe5 $16 Ne4 18. Bxe4 dxe4 19. Rc5 O-O 20. Rfc1 a5 21. Rc7 Ba6 22. Qg4 (22. Qxa6 $2 Qxc7 $3 {[%mdl 512]} 23. Rxc7 Rxa6 $19) 22... Qd8 23. R1c5 $1 (23. Qxe4 $2 b3 $19) 23... Rc8 24. Rxc8 Bxc8 25. Qxe4 f5 26. Qf4 (26. exf6 $1 $16 Qxf6 27. h3) 26... g5 $11 27. Qg3 (27. Qf2 $11) 27... f4 $1 $17 {[%CAl Rf4g3]} 28. Qh3 Qe8 (28... Kh8 $1 $17 29. Rc1 Bb7) 29. Nc1 $2 (29. Rxa5 $2 Qg6 $19) (29. Qh6 $11 Qxa4 30. Qxg5+ (30. Rxc8 Qd1+ 31. Kf2 Qd2+ { [%mdl 64] Double Attack} 32. Kf1 Qd1+ 33. Kf2 Qd2+ {[%mdl 64] Double Attack} 34. Kf1 Qd1+ 35. Kf2 $11) 30... Kh8 31. Rxc8 (31. Rc7 Qd1+ 32. Kf2 Qd2+ 33. Kf3 Bb7+ 34. Rxb7 Qd1+ 35. Ke4 Qc2+ 36. Kf3 Qc6+ 37. e4 Qxb7 $19) 31... Qd1+ 32. Kf2 Qd2+ {[%mdl 64] Double Attack} 33. Kf3 Qd1+ 34. Kf2 Qd2+ {[%mdl 64] Double Attack} 35. Kf3 Qd1+ 36. Kf2) 29... Qg6 $2 (29... Ba6 $1 $19 {Strongly threatening ...fxe3.} 30. Qg4 (30. Rxa5 $2 Qc6 $19) 30... fxe3) 30. exf4 $11 { Black must now prevent f5.} (30. Rxa5 $2 Qc2 $19) 30... gxf4 31. Qf3 $2 {[#]} ( 31. Rxa5 $2 Qc2 $19) ({Better is} 31. Qd3 $1 $11 Qh6 32. Qf3 (32. Rxa5 $2 f3 $19)) 31... Qg7 $2 (31... Bb7 $1 $17 {[%CAl Rb7f3][%mdl 512]} 32. Qf2 (32. Qxb7 $2 f3 $19) 32... Kh8) 32. h3 Kh8 33. Qg4 (33. Nd3 $11 {remains equal.} Bb7 34. Qf2) 33... Qd7 $1 $17 {[%CAl Rd7d4][%mdl 1024] Black has strong compensation.} 34. Kh2 {Ne2 is the strong threat.} Bb7 (34... Qxd4 $17 35. Rc2 Qxe5) 35. Qh4 ( {Wrong is} 35. Rxa5 $2 Rg8 $19) 35... Qg7 {[%csl Gb7][%CAl Rg7g2]} (35... f3 $5 {[%CAl Rf3f2]} 36. Qf2 Qe8 $17) 36. Rc2 Qd7 {[#]} (36... f3 $11 {and Black has nothing to worry.} 37. gxf3 Rxf3) 37. Qh6 $40 {[%mdl 128] White mounts an attack.} ({White should try} 37. Nd3 $1 $18 {[%CAl Rd3f4]}) 37... Rf7 38. Nb3 { Hoping for Nc5!} Bd5 (38... Qd5 $142 39. Nc5 b3) 39. Nc5 $16 ({Stronger than} 39. Nxa5 f3 $11) 39... Qe8 {[#]} 40. Rf2 $1 Qg8 $2 (40... Qf8 41. Qxf8+ Rxf8) 41. Nxe6 $18 Qg3+ 42. Kg1 f3 {[#]} 43. Qg5 Qxg5 44. Nxg5 {[%mdl 4096] Endgame KRB-KRN} Rc7 {Threatening ...Rc1+.} 45. gxf3 Bb3 $2 (45... Rc1+ 46. Kg2 Kg8) 46. f4 Bxa4 47. d5 Bb3 48. d6 Rg7 49. Kh2 a4 50. e6 Rxg5 51. e7 {Weighted Error Value: White=0.34/Black=0.55} 1-0 [Event "Chinese-ch Men 2020"] [Site "Xinghua"] [Date "2020.12.24"] [Round "6.2"] [White "Ju, Wenjun"] [Black "Wen, Yang"] [Result "1-0"] [ECO "D45"] [WhiteElo "2560"] [BlackElo "2594"] [Annotator "TA"] [PlyCount "75"] [EventDate "2020.12.19"] [EventType "tourn"] [EventCountry "CHN"] [SourceTitle "playchess.com"] [Source "ChessBase"] [SourceQuality "1"] {[%evp 22,75,0,9,6,0,0,0,23,21,25,17,20,20,19,20,25,25,293,282,391,316,301,309, 301,300,297,292,408,395,354,261,366,362,355,268,268,268,268,268,445,459,895, 430,429,412,420,406,519,516,513,513,715,694,767,662]} 1. d4 d5 2. c4 e6 3. Nf3 Nf6 4. Nc3 c6 5. e3 Nbd7 6. Qc2 b6 7. Be2 Bb7 8. O-O Bd6 9. Rd1 O-O 10. e4 Nxe4 11. Nxe4 dxe4 12. Qxe4 Qc7 {D45: Semi-Slav: 5 e3.} 13. Bd3 {[%csl Gd3][%CAl Re4h7]} g6 $1 14. Qh4 Rfe8 {The position is equal.} 15. Ng5 $40 {[%mdl 128] [#] White is up to no good.} Nf6 $146 ({Predecessor:} 15... Nf8 16. Ne4 Be7 17. Bg5 c5 18. dxc5 bxc5 19. Bxe7 Qxe7 20. Qxe7 Rxe7 21. Nxc5 Rc8 {1-0 (43) Myc,M (2350)-De Wachter,M (2175) Zagan 1997}) 16. c5 bxc5 17. dxc5 Bxc5 18. Bf4 e5 19. Be3 Bxe3 {[%mdl 8192] This costs Black the game.} (19... Be7 $11 {and Black stays safe.}) 20. fxe3 $18 {Strongly threatening Rf1.} Qb6 21. Bc4 Qxe3+ 22. Kh1 Kg7 23. Rf1 (23. Nxf7 Qf4 $15) ({Weaker is} 23. Bxf7 Re7 $16) 23... Qd4 {[#]} 24. Ne4 $1 {[%mdl 512]} Qxe4 (24... Qxc4 25. Qxf6+) 25. Qxf6+ {[%mdl 64] Double Attack} Kh6 26. Bxf7 {And now Rf3 would win.} Rf8 (26... c5 $142 27. Rf3 Qg4) 27. Rae1 Qg4 {...c5 is the strong threat.} 28. Re3 ({Inferior is} 28. Rxe5 c5 $17) 28... c5 {[%csl Gb7][%CAl Rg4g2]} 29. Rg3 Qh5 30. Kg1 {Black must now prevent Rh3!} Bc8 (30... Bd5 31. Rh3 Qxh3 32. gxh3 Rxf7 33. Qxe5 Rxf1+ 34. Kxf1 Bxa2 35. Qxc5 Bg8 36. Qe3+ Kg7 37. Qe7+ Kh6) 31. Rff3 ({Not} 31. Qd6 Bf5 $16) 31... e4 {[#]} (31... Bf5 $142 32. Rxf5 {[%mdl 64] Remove Defender} Qxf5 33. Rh3+ Qxh3 34. gxh3 Rad8 35. Qh4+ Kg7) 32. Rh3 $1 {[%mdl 512]} Bxh3 33. Rxh3 Qxh3 34. gxh3 Rad8 {intending ...Rd1+.} 35. Qe7 $1 {[%csl Ba7,Bc5,Be4] White is clearly winning.} Rd1+ 36. Kf2 Rfd8 37. Bc4 R8d2+ 38. Ke3 {Weighted Error Value: White=0.35/Black=0.63} 1-0 [Event "Chinese-ch Men 2020"] [Site "Xinghua"] [Date "2020.12.24"] [Round "6.3"] [White "Huang, Renjie"] [Black "Yu, Yangyi"] [Result "1/2-1/2"] [ECO "B30"] [WhiteElo "2422"] [BlackElo "2709"] [Annotator "TA"] [PlyCount "274"] [EventDate "2020.12.19"] [EventType "tourn"] [EventCountry "CHN"] [SourceTitle "playchess.com"] [Source "ChessBase"] [SourceQuality "1"] {[%evp 9,274,-10,29,-21,-1,-21,-16,-27,0,0,0,-7,-7,-10,8,0,22,33,33,33,37,0,6, -22,-22,-29,-11,-149,-149,-140,-110,-156,-83,-123,-92,-75,-102,-84,-104,-117, -77,-328,-363,-358,-337,-369,-391,-512,-492,-435,-374,-374,-374,-377,-322,-358, -358,-331,-325,-287,-257,-378,-352,-351,-344,-522,-493,-518,-508,-630,-637, -654,-635,-487,-467,-566,-554,-571,-559,-567,-564,-558,-549,-491,-304,-304, -294,-299,-287,-495,-494,-493,-452,-462,-433,-362,-281,-339,-318,-497,-307, -270,-72,-79,-64,-68,-64,-65,-66,-80,-80,-162,-162,-162,-162,-162,-162,-162, -162,-162,-162,-162,-162,-162,-162,-162,-162,-162,-162,-162,0,-162,-162,-162, -162,-162,-162,-162,-162,-162,-162,-162,-162,-162,-36,-36,0,-162,-162,-162, -162,-162,-162,-162,-162,-162,-162,-162,0,-162,-162,-162,-162,-162,0,-162,-162, -162,-26,-162,-34,-36,-12,-13,-13,-13,-13,-13,-13,-13,0,0,0,0,0,0,0,0,0,0,0,0, 0,0,0,0,0,0,0,-8,-8,-8,-8,-8,-8,-8,-8,-8,-8,-8,-8,-13,-13,-13,-13,-13,-20,-20, -8,-8,-8,-8,0,-8,-8,-8,-8,-8,-8,-28,-8,-8,-8,-8,-8,-28,-28,-28,-8,-8,-8,-8,-8, -8,-8,-8,0,-8,0,-20,0,-20,0,-28,-20,-20,0,0,0,-8,0,0,0,0,0,0,0]} 1. e4 c5 2. Nf3 Nc6 3. Bb5 e6 4. O-O Nge7 5. Nc3 Ng6 (5... a6 $5 {[%CAl Ra6b5]} 6. Be2 d5 $11) 6. Bxc6 {B30: Sicilian: 2...Nc6 3 Bb5, lines without ...g6.} bxc6 7. d3 e5 8. Be3 {[#]} d5 $146 ({Predecessor:} 8... Be7 9. Na4 d6 10. h3 O-O 11. Nd2 f5 12. exf5 Bxf5 13. Ne4 Qd7 14. Qh5 c4 {0-1 (31) Guix Torres,D (2011)-Perpinya Rofes,L (2401) Barbera del Valles 2012}) 9. Na4 d4 10. Bg5 f6 11. Bc1 h5 12. b3 Bg4 13. h3 $1 {[%CAl Rh3g4]} Bd7 14. Ba3 Nf4 15. Kh1 (15. Nxc5 Qa5 $17) 15... g5 16. Bxc5 {[#]} Bg4 $1 17. Bxf8 (17. hxg4 hxg4+ 18. Nh2 Qd7 $19) 17... Kxf8 18. g3 (18. hxg4 $2 hxg4+ 19. Nh4 Rxh4+ 20. Kg1 Qd7 $19) (18. c3 $11 {keeps the balance.}) 18... Nxh3 $17 19. Kg2 Qe7 20. Rh1 Kf7 ({Black should try} 20... h4 $1 21. Nxe5 (21. Rxh3 $2 Bxh3+ 22. Kxh3 g4+ {[%mdl 64] Double Attack} 23. Kg2 gxf3+ 24. Qxf3 hxg3 $19) 21... Bxd1 22. Ng6+ Kf7 23. Nxe7 Nxf2 $1 {[%mdl 64] Remove Defender}) 21. Qd2 Bxf3+ 22. Kxf3 g4+ 23. Ke2 f5 24. exf5 {[#]} e4 $1 {White must now prevent ...Rae8.} 25. Rhf1 $2 {[%mdl 8192]} (25. Kd1 $17 { keeps fighting.}) 25... Rae8 $19 26. Rae1 {[#]} Nxf2 $1 {[%mdl 512]} 27. dxe4 ( {But not} 27. Rxf2 e3) (27. Qa5 e3) 27... Nxe4 {[%mdl 64] Double Attack} 28. Qxd4 Rd8 {[%CAl Be8d8,Bd8d5,Bd5d2][%mdl 32]} 29. Qc4+ Rd5 30. Qxc6 Ng5+ 31. Kf2 Rd2+ 32. Kg1 Nf3+ 33. Qxf3 gxf3 34. Rxe7+ Kxe7 35. Rxf3 (35. Rf2 $142 Rd1+ 36. Rf1 Rxf1+ 37. Kxf1) 35... Rxc2 {[%mdl 4096] Endgame KRR-KRN} 36. Nc3 Rd8 37. Kf1 (37. Re3+ $142 Kf7 38. Ne2) 37... Rdd2 {( -> ...Rc1+)} 38. Re3+ Kf7 { ...Rc1+ is the strong threat.} 39. Ne2 Rxa2 40. Ke1 Rdb2 41. Kf2 Ra5 42. Kf3 Rxf5+ 43. Ke4 Kf6 44. Kd4 Rd2+ 45. Kc3 Rd7 46. Nf4 h4 47. Nh3 hxg3 48. Rxg3 a5 49. Ng1 $2 (49. Kc2) 49... Rc5+ 50. Kb2 Rd2+ 51. Ka3 {and the idea b4 leaves White hopeful.} Rcc2 {[%csl Gd2][%CAl Rc2a2]} 52. Ka4 Ra2+ 53. Kb5 Rd4 54. Rf3+ (54. Kc5 $142 Rb4 55. Rf3+ Kg6 56. Rg3+ Kh5 57. Rh3+ Kg4 58. Re3) 54... Ke7 55. Kc5 Rd1 $2 (55... Rb4 $19 {has better winning chances.} 56. Re3+ Kf8 57. Rf3+ Kg8 58. Rg3+ Kf7 59. Rf3+ Kg6 60. Rg3+ Kh5 61. Rh3+ Kg4) 56. Re3+ $17 Kd7 ( 56... Kf6 {is interesting.} 57. Ne2 Rb2 58. Nd4 Rh2 59. Re6+ Kf7) 57. Nf3 Rh1 58. Ne5+ Kc7 59. Nc4 Rh5+ 60. Re5 (60. Kd4 $17) 60... Rah2 $19 61. Rxh5 Rxh5+ { KR-KN} 62. Kd4 Kc6 63. Kc3 Kb5 64. Na3+ Kc5 65. Nc2 Rh3+ 66. Kb2 Rd3 67. Ne1 Rg3 68. Nc2 Kd5 69. Ka3 Kc5 70. Kb2 $1 Rh3 71. Ka2 Rh2 72. Kb2 Kd5 73. Kc3 Rh3+ 74. Kb2 Ke4 {And now ...Kd3 would win.} 75. Na3 Kd4 {Strongly threatening ... Rh2+.} 76. Nb5+ Kd3 ({Black should play} 76... Kc5 $19 77. Na3 Rh6) 77. Nd6 $15 Kd4 (77... Rh1 $15) 78. Nb5+ $19 Kd5 79. Na3 Rh2+ 80. Nc2 Kc6 81. Kc3 Kb5 82. Na3+ Kc5 83. Nc2 Rh3+ 84. Kb2 Rh1 85. Kc3 Rh4 86. Kb2 Rh3 87. Ka2 $1 Rh1 88. Kb2 Kd5 (88... Kb6 $19 {Threatens to win with ...Rh3.} 89. Ka2 Kc5) 89. Kc3 ( 89. b4 $11) 89... Ke4 (89... Kc6 $19 {aiming for ...Rh2.} 90. Kd4 Rh4+ 91. Kd3 Kd5) 90. Na3 $15 Ra1 (90... Rh2 {with more complications.} 91. Nc4 Rh5 92. Kb2 Kd4 93. Ka3 Rb5) 91. Kb2 Rg1 {Hoping for ...Rg2+.} (91... Rd1 {seems wilder.} 92. Nc4 a4 93. bxa4 Rd3 94. a5 Kd4) 92. Nc4 Rg5 93. Ka3 $1 Kd4 94. Ka4 Kc3 95. Nxa5 Rg4+ 96. Kb5 Rb4+ 97. Kc5 Rb8 (97... Rf4 {seems wilder.} 98. Kb5 Rf5+ 99. Ka4 Rf6 100. b4 Rg6) 98. Nc6 Rxb3 (98... Rf8 {keeps more tension.} 99. Nd4 Rf1 100. b4 Kd3 101. Kd5 Ke3) 99. Ne5 Rb8 100. Kd5 Rd8+ 101. Ke4 Rd1 102. Ke3 (102. Nf3 {is more complex.} Rd3 103. Kf4 Kc2 104. Ne5 Rd4+ 105. Kf5) 102... Re1+ 103. Kf4 Re2 104. Nf3 Kc4 105. Ne5+ Kd5 106. Nf3 Re8 107. Kf5 Rf8+ 108. Kg4 Ke4 109. Ng5+ Ke3 110. Kg3 Rf4 111. Nh3 $1 Rb4 112. Ng5 Ra4 113. Nh3 Ra1 114. Kg4 Ra8 115. Ng5 Rf8 116. Ne6 Rf6 117. Ng5 Kd3 118. Kg3 Kd4 (118... Ke2 {keeps more tension.} 119. Kg4 Rf2 120. Ne6 Kd2 121. Ng5 Kc1) 119. Kg4 Ke3 120. Kg3 Rf8 (120... Rf2 {looks sharper.} 121. Kg4 Ke2 122. Ne6 Kd1 123. Ng5 Rf6) 121. Kg4 Rf1 122. Nh3 Kd4 123. Ng5 Kd5 124. Nf3 Ra1 125. Kf4 Ra4+ 126. Kf5 Ra8 127. Kf4 $1 Re8 128. Kf5 Rf8+ 129. Kg4 Ke4 130. Ng5+ Ke3 131. Kg3 Rf5 (131... Ke2 { feels hotter.} 132. Kg4 Kd3 133. Nh3 Kd4 134. Kg3 Ke4) 132. Kg4 {The position is equal.} Re5 133. Nf7 Ra5 134. Ng5 Ra8 135. Kf5 Rf8+ 136. Ke5 Re8+ 137. Kf5 Rf8+ {Black had all chances to win. Weighted Error Value: White=0.39/Black=0.19 } 1/2-1/2 [Event "Chinese-ch Men 2020"] [Site "Xinghua"] [Date "2020.12.24"] [Round "6.4"] [White "Lin, Yi"] [Black "Zhao, Jun"] [Result "1-0"] [ECO "E73"] [WhiteElo "2408"] [BlackElo "2638"] [Annotator "TA"] [PlyCount "49"] [EventDate "2020.12.19"] [EventType "tourn"] [EventCountry "CHN"] [SourceTitle "playchess.com"] [Source "ChessBase"] [SourceQuality "1"] {[%evp 12,49,96,96,90,87,87,83,101,75,89,103,126,135,150,158,152,139,296,285, 300,241,241,187,181,222,393,392,426,423,485,489,776,783,1187,1155,1410,1387, 29989,29990]} 1. d4 g6 2. c4 Bg7 3. e4 d6 4. Nc3 c5 5. d5 e5 6. h4 Nf6 7. Be2 h5 {E73: King's Indian: Averbakh Variation without 6...c5.} 8. Bg5 Na6 9. Qd2 { [#]} Bd7 $146 {White is better.} ({Predecessor:} 9... Nc7 10. O-O-O Qe7 11. f4 exf4 12. e5 Qxe5 13. Re1 O-O 14. Bd3 Qxe1+ 15. Qxe1 Re8 16. Qd2 b5 17. Bxf4 { 1-0 (17) Beliavsky,A-Uddenfeldt,D Groningen 1971}) 10. O-O-O Qb8 11. f4 Nh7 12. f5 gxf5 13. exf5 (13. Bxh5 f4 $14) 13... Bxf5 14. Bh6 O-O (14... Bxh6 $16 15. Qxh6 Ke7) 15. Bxh5 $18 b5 16. cxb5 Nb4 {[#] White must now prevent ...Nd3+.} 17. Rf1 $36 {[%mdl 2048] Keeping Black busy.} Nd3+ 18. Kd1 Bxh6 (18... Nf4) 19. Qxh6 Nxb2+ 20. Kd2 Qc8 21. Nh3 f6 (21... Nc4+ $142 22. Kc1 Qd7) 22. g4 Bd3 23. g5 {[%CAl Rg5f6]} Bxf1 24. gxf6 {[%csl Gf6][%CAl Rh6g7] [#]} Nc4+ 25. Kc1 { [%csl Gf6][%CAl Rh6g7] Black got outplayed after the opening. Weighted Error Value: White=0.06/Black=0.74} 1-0 [Event "Chinese-ch Men 2020"] [Site "Xinghua"] [Date "2020.12.24"] [Round "6.5"] [White "Bai, Jinshi"] [Black "Xu, Yinglun"] [Result "1-0"] [ECO "D31"] [WhiteElo "2618"] [BlackElo "2554"] [Annotator "TA"] [PlyCount "64"] [EventDate "2020.12.19"] [EventType "tourn"] [EventCountry "CHN"] [SourceTitle "playchess.com"] [Source "ChessBase"] [SourceQuality "1"] {[%evp 11,64,20,23,15,24,18,24,20,20,20,21,31,31,31,28,25,31,31,30,29,33,37,33, 31,32,29,20,0,10,9,29,24,43,47,135,113,118,125,185,71,51,33,66,25,28,26,27,38, 32,0,0,0,60,54,273]} 1. d4 d5 2. c4 e6 3. Nc3 Be7 4. cxd5 exd5 5. Bf4 c6 6. Qc2 Bd6 7. Bxd6 {D31: Queen's Gambit Declined: Semi-Slav without ...Nf6 (+ Marshall Gambit and Noteboom) and Exchange Variation lines without ...Nf6.} Qxd6 8. e3 Ne7 9. Bd3 {White has an edge.} b6 10. Nf3 ({But not} 10. Bxh7 $2 f5 $19) 10... Ba6 11. O-O Bxd3 12. Qxd3 O-O 13. Rac1 Nd7 14. Rc2 {[#]} Rfd8 $146 ( {Predecessor:} 14... Qg6 15. Qxg6 hxg6 16. Ne2 f6 17. h4 Kf7 18. Nf4 Rfd8 19. Rfc1 Nf8 20. Ne1 {1/2-1/2 (20) Harikrishna,P (2563)-Kasimdzhanov,R (2680) Mumbai 2003}) 15. Rfc1 a5 16. b3 Rab8 17. Ne2 Ra8 18. Ng3 {Black must now prevent Nf5.} g6 19. a4 Kg7 20. h4 Qe6 21. h5 Qg4 22. Re1 f5 (22... Re8 $14) 23. Ne2 gxh5 24. Nf4 Kf7 (24... Kh8 $16) 25. Ne5+ (25. Rec1 $18) 25... Nxe5 $16 26. dxe5 Qg7 27. e6+ Kg8 28. Nxh5 Qg5 29. Nf4 Rd6 30. f3 Ng6 31. Rec1 c5 ({ Black should play} 31... Nxf4 $11 32. exf4 Qxf4) 32. Nxd5 $14 {[#] Nf6+! is the strong threat.} Re8 $2 {Weighted Error Value: White=0.10/Black=0.13} (32... Kf8 $14) 1-0 [Event "Chinese-ch Men 2020"] [Site "Xinghua"] [Date "2020.12.24"] [Round "6.6"] [White "Wei, Yi"] [Black "Lu, Shanglei"] [Result "1/2-1/2"] [ECO "B90"] [WhiteElo "2732"] [BlackElo "2615"] [Annotator "TA"] [PlyCount "82"] [EventDate "2020.12.19"] [EventType "tourn"] [EventCountry "CHN"] [SourceTitle "playchess.com"] [Source "ChessBase"] [SourceQuality "1"] {[%evp 20,82,35,21,15,14,12,12,18,21,16,31,37,39,54,0,0,0,0,0,0,0,0,0,0,0,0,0, 0,0,0,-8,-13,-24,0,0,0,-14,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, 0]} 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Be3 Ng4 7. Bg5 h6 8. Bh4 g5 9. Bg3 Bg7 10. h3 Ne5 11. Nf5 Bxf5 {B90: Sicilian Najdorf: Unusual White 6th moves, 6 Be3 Ng4 and 6 Be3 e5.} 12. exf5 Nbc6 13. Nd5 e6 14. fxe6 fxe6 15. Ne3 Qa5+ 16. c3 Nf3+ 17. gxf3 (17. Qxf3 $14 Bxc3+ 18. Kd1 Bxb2 19. Qe4 Bxa1 20. Qxe6+ Kd8 21. Qxd6+ Ke8 22. Qe6+ Ne7 23. Bc4 Rd8+ 24. Bd6 (24. Ke2 $2 Qd2+ 25. Kf3 Rf8+ 26. Kg4 Rf6 $19)) 17... Bxc3+ $1 $11 18. bxc3 Qxc3+ 19. Qd2 Qxa1+ 20. Nd1 Qd4 21. Bd3 Ne5 22. Bxe5 Qxe5+ {[#]} 23. Kf1 $146 ({Predecessor: } 23. Ne3 Qa1+ 24. Nd1 O-O 25. Qb4 Qe5+ 26. Ne3 b5 27. O-O Rf4 28. Qb1 Rc8 29. Ng4 {1/2-1/2 (53) Poljak,D (2422)-Querci,A (2320) ICCF email 2011}) 23... O-O 24. Be2 Rf4 25. Ne3 Rc8 {Black wants to play ...Qd4.} 26. Kg2 Qd4 27. Bd3 $1 { The position is equal.} h5 28. Rd1 Qc3 29. Qe2 Rcf8 30. Nf1 Qf6 {Strongly threatening ...g4.} 31. Nh2 d5 32. Bb1 Rf7 (32... Rc8 {feels hotter.} 33. Re1 Rc6 34. Bd3 Rb4 35. f4 Rxf4 36. Qxh5 Rxf2+ 37. Kg1 Qf4) 33. Rc1 e5 34. Qd3 { [#] Threatening mate with Rc8+.} e4 $1 {[%CAl Re4d3]} 35. Qxd5 Rxf3 36. Qxe4 { Intending Rc8+ and mate.} ({Wrong is} 36. Nxf3 $2 Qxf3+ 37. Kh2 (37. Kg1 $2 Qxf2+ 38. Kh1 Qf3+ {[%mdl 64] Double Attack} 39. Kh2 Qf4+ 40. Kg2 Qf3+ 41. Kh2 Qf4+ 42. Kg2 Qxc1 $19) 37... Qxf2+ 38. Kh1 Qf3+ 39. Kh2 Qf4+ 40. Kg2 Qxc1 $19) 36... Rxf2+ 37. Kg1 {White threatens Rc8+ and mate.} Qd8 38. Nf1 R2f6 39. Ne3 Qd7 {[#] Threatens to win with ...Re6.} 40. Rc5 Re7 41. Qc4+ Qe6 {Weighted Error Value: White=0.03/Black=0.01} 1/2-1/2 [Event "Chinese-ch Men 2020"] [Site "Xinghua"] [Date "2020.12.25"] [Round "7.1"] [White "Lu, Shanglei"] [Black "Xu, Xiangyu"] [Result "1-0"] [ECO "B45"] [WhiteElo "2615"] [BlackElo "2573"] [Annotator "TA"] [PlyCount "97"] [EventDate "2020.12.19"] [EventType "tourn"] [EventCountry "CHN"] [SourceTitle "playchess.com"] [Source "ChessBase"] [SourceQuality "1"] {[%evp 23,97,15,26,11,18,2,22,29,26,18,25,30,35,4,8,0,1,6,35,39,39,39,39,30,37, 35,37,37,76,74,79,79,116,123,142,144,143,154,163,162,152,114,111,111,308,301, 377,360,349,357,470,282,450,449,661,658,769,734,1460,1386,5736,5710,5736,5710, 5736,5720,5695,4706,1138,1033,29975,29978,29978,29979,29978,29979]} 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 e6 6. Ndb5 Bb4 7. a3 Bxc3+ 8. Nxc3 d5 9. Bd3 dxe4 10. Nxe4 Nxe4 11. Bxe4 Qxd1+ 12. Kxd1 Bd7 13. Be3 {B45: Sicilian Four Knights.} f5 14. Bf3 O-O-O 15. Kc1 {The position is equal.} e5 16. Re1 {[#]} f4 $146 ({Predecessor:} 16... Kc7 17. b3 Rhe8 18. g3 Nd4 19. Bxd4 exd4 20. Kd2 Bc6 21. Bxc6 Kxc6 22. Rad1 Kd5 {1-0 (51) Van der Wiel,J (2508)-Beckhuis,G (2324) Amsterdam 2005}) 17. Bd2 Nd4 18. Be4 Bc6 19. a4 Rd6 20. Bxc6 Rxc6 (20... bxc6 { keeps more tension.} 21. Kb1 Nf3 22. gxf3 Rxd2 23. Rxe5 Rhd8) 21. Bc3 f3 22. Bxd4 exd4 $14 {[%mdl 4096] Endgame KRR-KRR} 23. g3 g5 24. Re4 Kb8 {Black wants to play ...Rhc8.} 25. Kd2 g4 26. Kd3 Rhc8 27. Rc1 h5 28. Re5 $1 ({Don't play} 28. Rxd4 $6 Re6 $11) 28... Rb6 29. Rxh5 Rxb2 {[#]} 30. Rg5 $1 Re8 31. Rxg4 Re2 32. Rxd4 Rxf2 33. h4 Rg2 $2 {[#] This move loses the game for Black.} (33... Rh2 $16 34. Rf4 f2) 34. g4 $1 $18 Rb6 35. g5 Rc6 36. Rf4 Rh2 37. Rf1 Rhxc2 ( 37... Rcxc2 {was worth a try.} 38. R1xf3 (38. R4xf3 Rcd2+ 39. Ke4 Rxh4+ 40. Rf4 Rhh2 $18) 38... Rhd2+ 39. Ke4 Rg2 40. Rf8+ Kc7 41. R8f7+ Kb8) 38. R1xf3 a5 ( 38... Rg2 $142 39. Rf8+ Kc7 40. R8f7+ Kb6) 39. h5 R2c3+ 40. Ke4 R3c5 41. h6 Rxg5 42. h7 Rh5 43. Rf8+ Ka7 44. h8=Q Rxh8 45. Rxh8 Rc4+ 46. Kd5 Rxa4 47. Rb3 { White mates.} Rg4 48. Rh7 Ka6 49. Rbxb7 {Weighted Error Value: White=0.08/ Black=0.56} 1-0 [Event "Chinese-ch Men 2020"] [Site "Xinghua"] [Date "2020.12.25"] [Round "7.2"] [White "Xu, Yinglun"] [Black "Wei, Yi"] [Result "1/2-1/2"] [ECO "A18"] [WhiteElo "2554"] [BlackElo "2732"] [Annotator "TA"] [PlyCount "59"] [EventDate "2020.12.19"] [EventType "tourn"] [EventCountry "CHN"] [SourceTitle "playchess.com"] [Source "ChessBase"] [SourceQuality "1"] {[%evp 10,59,20,12,12,2,4,0,17,12,20,27,28,15,27,0,0,0,0,0,0,0,0,0,0,-1,27,30, 39,22,44,0,17,23,22,5,9,27,35,32,53,50,122,121,172,140,132,132,241,244,251,242] } 1. c4 Nf6 2. Nc3 e6 3. e4 d5 4. cxd5 exd5 5. e5 Ne4 6. Nf3 Bf5 {A18: English Opening: Flohr-Mikenas System (1 c4 Nf6 2 Nc3 e6 3 e4).} 7. Be2 d4 8. Nxe4 Bxe4 {The position is equal.} 9. Bc4 Nc6 10. O-O {[#]} Qd7 $146 ({Predecessor:} 10... Bd5 11. d3 Bxc4 12. dxc4 h6 13. Qb3 Qd7 14. Qxb7 Rb8 15. Qa6 Rb6 16. Qa4 Bc5 {1/2-1/2 (45) Kermer,W (2324)-Pietrobono,A (2284) ICCF email 2017}) 11. Re1 Bd5 12. Bxd5 Qxd5 13. d3 O-O-O 14. Re4 f5 15. exf6 $1 gxf6 16. Nh4 Rg8 17. Qf3 Ne5 18. Qe2 Nf7 19. Bf4 Bd6 {[#] Strongly threatening ...f5.} 20. Qf3 Qb5 21. Bxd6 Nxd6 22. Re2 Kb8 23. g3 Nf7 24. Qf5 Qa6 25. Nf3 Qc6 ({Better is} 25... Nd6 $14 26. Qf4 (26. Qxf6 $2 Rgf8 $19) (26. Qxh7 Rh8 $11) 26... Qxd3) 26. Rae1 $16 a5 (26... Ng5 $16 27. Nxg5 fxg5) 27. Re7 ({Don't take} 27. Qxh7 $6 Qxf3 28. Qxf7 Qxd3 $14) 27... Ng5 28. Nxg5 Rxg5 (28... fxg5 $16 29. Qxa5 (29. Rxh7 b6 $16) 29... h6) 29. Qxh7 $18 Rc5 30. Qe4 {Weighted Error Value: White=0.05/ Black=0.15} 1/2-1/2 [Event "Chinese-ch Men 2020"] [Site "Xinghua"] [Date "2020.12.25"] [Round "7.3"] [White "Zhao, Jun"] [Black "Bai, Jinshi"] [Result "1-0"] [ECO "D16"] [WhiteElo "2638"] [BlackElo "2618"] [Annotator "TA"] [PlyCount "65"] [EventDate "2020.12.19"] [EventType "tourn"] [EventCountry "CHN"] [SourceTitle "playchess.com"] [Source "ChessBase"] [SourceQuality "1"] {[%evp 12,65,18,18,18,16,28,20,13,20,23,24,26,0,0,0,0,0,0,-10,0,-12,0,0,9,0,30, 14,17,19,17,19,23,0,0,0,164,167,154,147,83,95,184,172,670,670,661,664,653,651, 724,718,718,714,677,677]} 1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. Nc3 dxc4 5. a4 e6 6. e3 c5 7. Bxc4 cxd4 {is now more promising than 7...Nc6. D16: Slav Defence: 5 a4: Lines with 5...Bg4 and 5...Na6.} 8. exd4 Be7 9. O-O O-O {The position is equal. 9...Nc6 is not played anymore.} 10. Qe2 Nc6 11. Rd1 Nb4 12. Ne5 Bd7 13. Bf4 $5 {[%mdl 4] Leaves trodden paths.} Bc6 14. Nxc6 bxc6 15. a5 Nbd5 16. Be5 Bb4 {[#]} 17. Nxd5 $146 ({Predecessor:} 17. Rd3 Bxa5 18. Nxd5 cxd5 19. Bxf6 Qxf6 20. Bxd5 exd5 21. Rxa5 Rae8 22. Qd2 Qb6 23. g3 {1/2-1/2 (32) Zaja,I (2430) -Pilaj,H (2375) Austria 2003}) 17... cxd5 18. Ba6 Bd6 19. Bb7 Rb8 20. a6 Ne4 21. Rac1 Re8 22. Rd3 Qb6 23. Qc2 f6 $2 {[#]} (23... Rf8 $11 {and Black is okay. }) 24. Rb3 $1 $18 Qa5 25. Bxd6 Nxd6 {[#]} 26. Qc5 $1 {[%CAl Rc5a5]} Nxb7 (26... Qd2 $16) 27. axb7 ({Much less strong is} 27. Rxb7 Qxa6 28. Rxa7 Qd3 $14) 27... Qxc5 (27... Qa4 28. Rb5 h6) 28. dxc5 $16 {Threatens to win with c6. KRR-KRR. White is clearly winning.} ({Not} 28. Rxc5 Kf7 $14) 28... Re7 29. c6 {Strongly threatening c7.} Rc7 30. g3 d4 31. Ra3 Kf7 32. Rxa7 d3 33. Ra8 {Weighted Error Value: White=0.03/Black=0.54} 1-0 [Event "Chinese-ch Men 2020"] [Site "Xinghua"] [Date "2020.12.25"] [Round "7.4"] [White "Yu, Yangyi"] [Black "Lin, Yi"] [Result "1-0"] [ECO "C43"] [WhiteElo "2709"] [BlackElo "2408"] [Annotator "TA"] [PlyCount "147"] [EventDate "2020.12.19"] [EventType "tourn"] [EventCountry "CHN"] [SourceTitle "playchess.com"] [Source "ChessBase"] [SourceQuality "1"] {[%evp 9,147,10,5,16,14,20,15,12,20,2,40,41,39,41,34,10,33,36,69,74,54,16,17, 16,17,19,26,8,12,10,5,8,27,29,28,19,47,57,51,45,62,59,54,33,32,21,19,42,28,17, 20,15,25,27,28,0,12,0,29,24,82,82,82,77,89,97,85,92,87,80,177,176,211,189,189, 111,189,184,174,151,306,195,195,133,306,306,306,306,306,225,306,306,306,306, 306,306,306,306,306,306,306,296,296,296,296,303,4743,4743,4743,4743,4743,4743, 4743,4743,4743,4743,4743,4743,4743,4743,4743,4743,4743,4743,4743,4743,29986, 4743,29978,29979,29979,29980,29980,29981,29981,29982,29982,29983,29983,29984]} 1. e4 e5 2. Nf3 Nf6 3. d4 Nxe4 4. dxe5 d5 5. Nbd2 {[%CAl Bb1d2,Bd2f1,Bf1g3, Bg3h5][%mdl 32]} Nc5 6. Be2 {C43: Petroff Defence: 3 d4.} Be7 7. O-O O-O 8. Re1 {The position is equal.} Nc6 9. Nf1 f6 10. exf6 Bxf6 11. Ng3 {[#]} Be6 $146 ({ Predecessor:} 11... Qd6 12. c3 Be6 13. Ng5 Bd7 14. Bf3 Ne7 15. Be3 Ne6 16. Nxe6 Bxe6 17. Qe2 Bf7 {1/2-1/2 (27) Harikrishna,P (2766)-Wei,Y (2706) Wijk aan Zee 2017}) 12. Nh5 Ne4 13. c3 Ne5 14. Nxf6+ Qxf6 15. Qd4 (15. Nxe5 {keeps more tension.} Qxe5 16. Be3 Qf6 17. f3 Nd6 18. Bc5) 15... Nxf3+ 16. Bxf3 Qxd4 17. cxd4 Rae8 18. Be3 c6 19. Be2 Nd6 20. f3 Nc4 21. Bc1 Bf5 22. Kf2 Rf6 23. b3 Nd6 24. Bf4 Rfe6 25. g4 Bg6 26. Be5 h5 27. h3 hxg4 28. hxg4 Nf7 29. Bf4 Rf6 30. Bd2 Nd6 {Threatening ...Ne4+.} 31. Kg3 Rfe6 32. Kf2 Rf6 {next ...Ne4+ is good for Black.} 33. Kg3 Rfe6 34. Bf1 Nb5 (34... Rxe1 $11 35. Bxe1 a6) 35. Rxe6 $16 Rxe6 {[#]} 36. f4 $1 {[%CAl Rf4f5]} Nxd4 37. f5 Nxf5+ 38. gxf5 Bxf5 39. b4 a6 (39... Kf7 $16) 40. Kf4 $18 g6 41. Re1 Kf7 42. Re5 (42. Rxe6 $18 Kxe6 43. Bc3) 42... Kf6 (42... Bb1 $16) 43. Rxe6+ Kxe6 44. Be3 Kd6 $2 (44... Bb1 $16 {was called for.} 45. Bh3+ Bf5) 45. Bb6 Bb1 46. a4 a5 $2 {This move loses the game for Black.} (46... g5+ $16 {was worth a try.} 47. Kxg5 Ke5) 47. Bc5+ ({Not} 47. Bxa5 Bc2 $16) ({Don't play} 47. bxa5 c5 $18) 47... Kc7 48. bxa5 Bc2 49. Ke5 Bxa4 50. Bd6+ Kd8 51. Bd3 Bd1 52. Bxg6 {[#] Bf5 is the strong threat.} Bg4 53. Kd4 Kc8 54. Kc5 Bh3 55. Kb6 Bg4 56. Be5 Bh3 57. Be8 {Black must now prevent Bxc6!} Bf1 $2 (57... d4 58. Bxd4 Bf5) 58. Kc5 Bh3 59. Kd6 Kb8 60. Bd4 Bf5 61. Bh5 Bh3 62. Be2 Bf5 63. Bf1 Bg4 64. Bd3 Bh3 65. Ke7 c5 66. Bxc5 d4 67. Be4 { White wants to mate with a6.} d3 68. Be3 (68. a6 $142 bxa6 69. Kd8 Bg2 70. Bxg2 a5 71. Be4 d2 72. Bf3 a4 73. Ba3) 68... Kc8 69. Bf4 {White mates.} d2 70. Bxd2 Kb8 71. Kd8 Bf1 72. Bf4+ Ka7 73. Kc7 Ka6 74. Bd2 {Weighted Error Value: White=0.08/Black=0.19} 1-0 [Event "Chinese-ch Men 2020"] [Site "Xinghua"] [Date "2020.12.25"] [Round "7.5"] [White "Wen, Yang"] [Black "Huang, Renjie"] [Result "1/2-1/2"] [ECO "B36"] [WhiteElo "2594"] [BlackElo "2422"] [Annotator "TA"] [PlyCount "60"] [EventDate "2020.12.19"] [EventType "tourn"] [EventCountry "CHN"] [SourceTitle "playchess.com"] [Source "ChessBase"] [SourceQuality "1"] {[%evp 18,60,43,41,56,47,50,54,59,44,44,62,60,29,36,17,28,0,0,0,0,0,0,-3,-10, -11,-9,-14,-9,-24,-16,-18,0,0,0,0,0,-4,0,-4,0,-4,-3,-4,0]} 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 g6 5. c4 Nf6 6. Nc3 d6 7. Be2 Nxd4 8. Qxd4 Bg7 9. Be3 O-O 10. Qd3 Be6 {B36: Sicilian: Maroczy Bind: Gurgenidze System.} 11. Bd4 Nd7 12. Bxg7 Kxg7 {White is slightly better.} 13. O-O Qa5 14. b3 a6 {[#]} 15. Rac1 $146 ({Predecessor:} 15. a3 Qc5 16. Nd5 Bxd5 17. exd5 Rab8 18. b4 Qa7 19. Bg4 Nf6 20. Qc3 Kg8 21. Bf3 {1/2-1/2 (66) Feco,J (2461)-Kisch,E (2227) ICCF email 2017} ) 15... Rab8 16. Kh1 f6 17. Rc2 b5 18. cxb5 axb5 19. Nd5 ({Reject} 19. Nxb5 Nc5 $17) 19... Ne5 20. Qe3 Bxd5 21. exd5 Rfc8 22. Rxc8 Rxc8 23. f4 Nf7 24. Qxe7 { The position is equal.} Qxa2 25. Bxb5 {Be8 is the strong threat.} Rc2 26. Rg1 { Strongly threatening Be8.} ({Don't play} 26. Be8 Rxg2 27. Qxf7+ Kh6 $17) 26... Qxb3 {[%mdl 64] [#] Double Attack} 27. Bc6 Qc4 28. Be8 Qxd5 29. Bxf7 Qxf7 30. Qxd6 Qc7 {Weighted Error Value: White=0.05/Black=0.04} 1/2-1/2 [Event "Chinese-ch Men 2020"] [Site "Xinghua"] [Date "2020.12.25"] [Round "7.6"] [White "Zhang, Rui"] [Black "Ju, Wenjun"] [Result "1/2-1/2"] [ECO "C45"] [WhiteElo "1658"] [BlackElo "2560"] [Annotator "TA"] [PlyCount "105"] [EventDate "2020.12.19"] [EventType "tourn"] [EventCountry "CHN"] [SourceTitle "playchess.com"] [Source "ChessBase"] [SourceQuality "1"] {[%evp 16,105,23,2,19,0,18,0,0,0,0,0,0,-1,31,21,31,35,28,0,30,8,8,6,11,7,6,14, 10,0,0,0,0,0,18,0,14,0,0,0,9,9,8,10,12,0,0,0,0,0,0,0,72,13,11,9,27,0,10,8,8,0, 0,0,0,-8,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0]} 1. e4 e5 2. Nf3 Nc6 3. d4 exd4 4. Nxd4 Bc5 5. Be3 Qf6 6. c3 Nge7 7. Bc4 O-O 8. O-O Bb6 9. Kh1 d6 {C45: Scotch Game.} 10. Na3 Qg6 {[#]} 11. Nxc6 $146 ({Predecessor:} 11. f3 Kh8 12. Nxc6 bxc6 13. Bxb6 axb6 14. Nc2 f5 15. Nd4 fxe4 16. fxe4 Bg4 17. Qd3 { 1/2-1/2 (50) Kollias,D (1441)-Kouvidis,I (1513) Achaia 2017}) 11... bxc6 12. Re1 Be6 13. f4 Bxe3 14. Rxe3 {Hoping for f5.} Bxc4 (14... d5 {seems wilder.} 15. Bd3 dxe4 16. Bxe4 Qf6 17. Qf3 Nd5) 15. Nxc4 f5 16. Qb3 {[#] Strongly threatening Ne5+.} Qf7 17. Na5 c5 18. Rae1 Qxb3 19. axb3 Rab8 20. g3 h5 21. exf5 Nxf5 22. Re4 Rb6 23. Kg2 Ra6 24. Ra4 Rb6 25. Rae4 g6 26. h3 Ra6 27. Ra4 Rb8 28. g4 hxg4 29. hxg4 Nh6 30. Kg3 Rxb3 31. Re8+ Kg7 $1 32. Nxb3 Rxa4 $11 { [%mdl 4096] Endgame KRN-KRN} 33. Re7+ Nf7 {[#]} (33... Kf8 $11 {remains equal.} 34. Rxc7 g5) 34. Rxc7 (34. g5 $1 $16) 34... g5 $1 {[%CAl Rg5f4]} 35. fxg5 Kg6 36. Nd2 Nxg5 {The position is equal.} 37. Rc6 Nf7 38. b4 cxb4 39. cxb4 Rxb4 40. Nc4 Rb3+ 41. Kf4 Rd3 42. Ke4 Rd1 43. Ra6 Kg5 {And now ...d5+ would win.} 44. Rxa7 d5+ 45. Ke3 Nh6 46. Ke2 Rd4 47. Ne3 Nxg4 48. Rg7+ Kh5 49. Rxg4 Rxg4 50. Nxg4 Kxg4 51. Kd3 Kf5 52. Kd4 Ke6 53. Kd3 {Weighted Error Value: White=0.07/ Black=0.07} 1/2-1/2 [Event "Chinese-ch Men 2020"] [Site "Xinghua"] [Date "2020.12.27"] [Round "8.1"] [White "Xu, Xiangyu"] [Black "Ju, Wenjun"] [Result "1/2-1/2"] [ECO "C48"] [WhiteElo "2573"] [BlackElo "2560"] [Annotator "TA"] [PlyCount "61"] [EventDate "2020.12.19"] [EventType "tourn"] [EventCountry "CHN"] [SourceTitle "playchess.com"] [Source "ChessBase"] [SourceQuality "1"] {[%evp 10,61,41,25,39,23,23,0,0,0,0,0,0,0,0,0,0,0,0,0,11,0,0,0,0,0,0,0,0,0,14, 0,0,0,17,20,21,18,43,8,4,3,4,5,8,0,0,0,0,0,0,0,0,0]} 1. e4 e5 2. Nf3 Nc6 3. Nc3 Nf6 4. Bb5 Nd4 5. Bc4 Bc5 6. Nxe5 Qe7 {C48: Four Knights: 4 Bb5, replies other than 4...Bb4.} 7. Nf3 ({And not} 7. Bxf7+ Kf8 $17) 7... d5 {[%mdl 64] [#] Decoy } ({Reject} 7... Nxe4 $6 8. Nd5 $16) 8. Nxd5 Qxe4+ {[%mdl 64] Double Attack} 9. Ne3 {Threatens to win with Bxf7+!} Bg4 10. Be2 Nxe2 11. Qxe2 O-O-O 12. d3 Bxf3 13. Qxf3 Qxf3 14. gxf3 Rhe8 15. O-O Nd5 16. Re1 {[#]} Re6 $146 ({Predecessor:} 16... Nf4 17. Bd2 Re6 18. Ng4 Ne2+ 19. Kf1 Nd4 20. Rxe6 fxe6 21. Kg2 Rf8 22. Be3 h5 {1-0 (71) Nandhidhaa,P (2174)-Pratyusha,B (2078) Pune 2014}) 17. Ng2 Rxe1+ 18. Nxe1 Re8 19. Kf1 Bd6 20. h3 Re5 21. c4 Nb4 22. Be3 Rh5 23. Kg2 c5 24. d4 cxd4 {The position is equal.} 25. Bxd4 {[%mdl 64] [#] Double Attack} Be5 26. Bxe5 Rxe5 27. Kf1 Rh5 28. Kg2 Rg5+ 29. Kf1 Rh5 30. Kg2 Rg5+ 31. Kf1 {An uneventful encounter. Weighted Error Value: White=0.05/Black=0.01} 1/2-1/2 [Event "Chinese-ch Men 2020"] [Site "Xinghua"] [Date "2020.12.27"] [Round "8.2"] [White "Huang, Renjie"] [Black "Zhang, Rui"] [Result "1-0"] [ECO "C55"] [WhiteElo "2422"] [BlackElo "1658"] [Annotator "TA"] [PlyCount "155"] [EventDate "2020.12.19"] [EventType "tourn"] [EventCountry "CHN"] [SourceTitle "playchess.com"] [Source "ChessBase"] [SourceQuality "1"] {[%evp 14,155,31,36,61,70,63,68,75,72,89,74,69,74,72,62,79,70,73,73,92,84,99, 79,80,84,174,176,159,18,14,0,5,-112,-76,-214,-135,-106,-102,-216,0,-35,-49,-31, -43,-50,-23,-30,-20,-28,0,-16,0,0,0,0,0,0,0,-16,0,0,21,0,0,0,0,0,0,0,0,0,20,26, 127,35,113,123,195,202,191,28,26,26,34,37,69,52,64,85,213,210,885,770,29941, 1202,29946,29949,29946,29950,29950,29952,29948,29950,29951,29941,29954,29957, 29954,29958,29958,5081,29960,29961,29954,29957,29966,29967,29952,29962,29971, 29972,29973,29974,29974,29975,29975,29975,29974,29975,29976,29977,29977,29978, 29978,29979,29980,29980,29980,29981,29981,29982,29982,29982]} 1. e4 e5 2. Bc4 Nf6 3. d3 d6 4. Nf3 Be7 5. O-O O-O 6. Re1 Nc6 {is the legacy move (6...c6).} 7. a4 Be6 8. Nbd2 Na5 {C55: Two Knights: 4 d3, 4 d4 exd4 5 e5 and Max Lange Attack.} 9. Bxe6 fxe6 10. b4 {[%CAl Bb2b4,Bb4b5][%mdl 32]} Nc6 {[#] White is slightly better.} 11. b5 $146 ({Predecessor:} 11. c3 Qe8 12. Qb3 Nd8 13. d4 Nh5 14. dxe5 Nf4 15. Qc4 Qg6 16. g3 Nc6 17. Ra2 {0-1 (35) Zwirs,N (2323)-Schuh,D (2322) Germany 2015}) 11... Nd4 12. Nxd4 exd4 13. Nf3 e5 14. c3 dxc3 15. Qb3+ Kh8 16. Qxc3 Nh5 17. Be3 Qd7 18. Rac1 Rac8 19. Qa5 ({Stronger than} 19. Bxa7 Nf4 $17) 19... Nf4 (19... g5 $16) 20. Bxf4 $18 Rxf4 21. Re3 (21. Qxa7 $16 Rxf3 22. gxf3) 21... c5 $1 $11 22. Qc3 Rcf8 23. Kf1 (23. Rf1 $11 {keeps the balance. }) 23... g5 $1 $17 {[%CAl Rg5g4]} 24. h3 (24. Re2 $17) 24... h5 25. Rc2 g4 26. hxg4 (26. Nxe5 $17 dxe5 27. Qxe5+ Kg8 28. Qxh5) 26... Qxg4 $2 (26... hxg4 $19 27. Nxe5 dxe5 28. Qxe5+ Kh7) 27. Qb2 h4 {And now ...h3 would win.} 28. Ne1 Bg5 29. Rce2 b6 (29... R4f6 $5 {[%CAl Rg5e3]} 30. Rh3 Bf4 $17) 30. Qa2 Kg7 (30... R4f6 $5 31. Rh3 $8 Bh6 $15) 31. Rh3 $1 R4f7 (31... R4f6 {with more complications.} 32. f3 Bc1 33. a5 bxa5 34. Qxa5 R8f7) 32. f3 (32. Rh1 {keeps more tension.} Rf6 33. a5 bxa5 34. Qxa5 R8f7 35. Qa2) 32... Qd7 33. Nc2 Qe7 34. Ne3 Bxe3 35. Rxe3 Rf4 36. Kf2 Qf6 37. a5 Qf7 38. Qxf7+ (38. Re2 {is interesting.} bxa5 39. Qxa5 Rb8 40. Re1 Qd7 41. Rb1) 38... Kxf7 $11 {[%mdl 4096] Endgame KRR-KRR} 39. Re1 Ke6 40. axb6 axb6 41. Ra1 d5 42. Ke3 dxe4 43. dxe4 Kd6 (43... c4 $11) 44. Rhh1 (44. Ra6 $16) 44... Rg8 (44... c4 $1 $14) 45. Rhd1+ $1 $16 Ke6 (45... Kc7 $16 {was called for.}) 46. Ra6 $18 Rb8 {[#]} 47. Ra7 (47. Rd5 $1 $18) 47... Rf7 $1 $11 {[%CAl Rf7a7]} 48. Rxf7 Kxf7 {KR-KR} 49. Rd7+ Kg6 50. Rd6+ Kf7 $1 51. Rh6 {Black is on the road to losing.} c4 (51... Ra8 $16) 52. Rxh4 $18 Rc8 $2 (52... Kg6 53. Kd2 Rc8 54. Rg4+ Kf6) 53. Rh6 Rc5 54. Rxb6 c3 55. Rc6 Rxb5 56. Rxc3 Rb2 57. g4 Kf6 58. Rc5 Rg2 59. Rc6+ Kf7 60. Rd6 Rh2 61. Rd2 Rh1 62. Ra2 (62. Rd5 $142 Ke6 63. Kf2 Rh8 64. Ra5 Kd6 65. g5 Rh2+ 66. Kg3 Rh1 67. g6) 62... Rh3 63. Ra5 {White mates.} Ke6 64. Ra6+ Kf7 65. Kf2 Rh1 66. g5 Rh5 67. Rf6+ Ke7 68. Rf5 Ke6 69. Kg3 Rh1 70. Rf6+ Ke7 71. Kg4 Rf1 72. Kh5 Rh1+ {[#]} 73. Kg6 $1 {[%CAl Rg6f5]} Rh3 74. Kg7 Rg3 75. g6 Rg2 76. Rf5 Ke6 77. Kh7 Rh2+ 78. Kg8 {Weighted Error Value: White=0.26/Black=0.41} 1-0 [Event "Chinese-ch Men 2020"] [Site "Xinghua"] [Date "2020.12.27"] [Round "8.3"] [White "Lin, Yi"] [Black "Wen, Yang"] [Result "1/2-1/2"] [ECO "E04"] [WhiteElo "2408"] [BlackElo "2594"] [Annotator "TA"] [PlyCount "61"] [EventDate "2020.12.19"] [EventType "tourn"] [EventCountry "CHN"] [SourceTitle "playchess.com"] [Source "ChessBase"] [SourceQuality "1"] {[%evp 11,61,19,17,31,29,23,16,11,15,0,0,0,0,0,1,0,0,-32,-25,-38,0,0,0,0,10,18, 3,3,3,3,2,5,29,20,21,0,10,6,2,0,0,0,0,0,0,0,0,0,0,0,0,0]} 1. d4 d5 2. c4 e6 3. Nf3 Nf6 4. g3 dxc4 5. Bg2 Bb4+ 6. Bd2 a5 7. Qc2 {E04: Open Catalan: 5 Nf3.} b6 {[#]} 8. Bxb4 $146 (8. O-O {feels hotter.} O-O 9. Ne5 Nd5 10. a3 Be7 11. e4) ({ Predecessor:} 8. Ne5 Ra7 9. O-O Bxd2 10. Qxd2 Bb7 11. Bxb7 Rxb7 12. Nxc4 Nc6 13. Rd1 O-O 14. Nc3 Qa8 {1/2-1/2 (48) Ding,L (2791)-Carlsen,M (2863) chess24. com INT 2020}) 8... axb4 9. Qxc4 Nd5 10. Nbd2 Ba6 11. Qc2 Nd7 12. Nc4 O-O 13. O-O c5 14. Nce5 Nxe5 15. Nxe5 Rc8 16. dxc5 Rxc5 17. Qd1 Ne3 18. Qxd8 Rxd8 {[#]} 19. Nxf7 $1 Kxf7 20. fxe3+ Ke7 $1 21. Rf4 Bxe2 (21... Rc4 {keeps more tension.} 22. Raf1 Rd2 23. Rf7+ Kd6 24. Ra7 Bb5) 22. Rxb4 b5 {The position is equal.} 23. Rd4 Rxd4 24. exd4 $11 {[%mdl 4096] Endgame KRB-KRB} Rc2 25. a4 (25. b3 { is interesting.} b4 26. d5 e5 27. Be4 Rd2 28. Rc1) 25... bxa4 26. Rxa4 Rxb2 27. d5 exd5 28. Bxd5 Bh5 29. Ra2 Rxa2 30. Bxa2 Bf7 31. Bxf7 {Weighted Error Value: White=0.04/Black=0.03} 1/2-1/2 [Event "Chinese-ch Men 2020"] [Site "Xinghua"] [Date "2020.12.27"] [Round "8.4"] [White "Bai, Jinshi"] [Black "Yu, Yangyi"] [Result "1/2-1/2"] [ECO "D38"] [WhiteElo "2618"] [BlackElo "2709"] [Annotator "TA"] [PlyCount "61"] [EventDate "2020.12.19"] [EventType "tourn"] [EventCountry "CHN"] [SourceTitle "playchess.com"] [Source "ChessBase"] [SourceQuality "1"] {[%evp 15,61,0,0,0,0,0,0,0,0,0,0,0,7,0,10,0,6,0,0,0,0,0,5,0,0,0,11,6,23,14,23, 13,41,37,36,10,10,10,10,0,0,0,10,0,10,10,10,10]} 1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. Nc3 Bb4 5. cxd5 exd5 6. Bg5 h6 7. Bxf6 Qxf6 8. Qb3 {8.Qa4+ might become the main line.} Qb6 9. a3 {D38: Queen's Gambit Declined: Ragozin Defence (4 Nf3 Bb4).} Ba5 10. Qc2 {[#] And now b4 would win.} Bf5 11. Qa4+ Bd7 12. Qc2 { Hoping for b4.} Bxc3+ 13. Qxc3 O-O 14. e3 Rc8 15. Bd3 Bb5 {[#]} 16. Bxb5 $146 ( {Predecessor:} 16. O-O Bxd3 17. Qxd3 Nd7 18. Rfc1 Nf6 19. Rc2 c6 20. Ne5 Re8 21. Rac1 Re7 22. Qf5 {0-1 (57) Lou,Y (2468)-Yu,Y (2688) Reykjavik 2013}) 16... Qxb5 17. a4 Qb6 18. b4 Nd7 19. O-O c6 20. Nd2 a6 21. Nb3 Re8 22. Nc5 Re7 23. Rfe1 Rae8 24. Nxd7 (24. Reb1 {with more complications.} Qc7 25. Nd3 Nf6 26. b5 Ne4 27. Qb2) 24... Rxd7 25. Qc5 Qxc5 {The position is equal.} 26. bxc5 $11 { KRR-KRR} f5 27. f4 g5 28. g3 g4 29. h4 h5 30. a5 Kf7 31. Kf2 {Weighted Error Value: White=0.04/Black=0.05} 1/2-1/2 [Event "Chinese-ch Men 2020"] [Site "Xinghua"] [Date "2020.12.27"] [Round "8.5"] [White "Wei, Yi"] [Black "Zhao, Jun"] [Result "1-0"] [ECO "B13"] [WhiteElo "2732"] [BlackElo "2638"] [Annotator "TA"] [PlyCount "87"] [EventDate "2020.12.19"] [EventType "tourn"] [EventCountry "CHN"] [SourceTitle "playchess.com"] [Source "ChessBase"] [SourceQuality "1"] {[%evp 9,87,0,22,25,25,33,30,31,43,50,51,32,74,68,137,121,107,121,258,228,242, 235,228,151,285,278,310,304,298,311,446,463,434,333,375,341,408,408,400,372, 340,0,327,335,490,480,485,458,965,965,775,470,465,460,426,434,526,526,429,501, 661,661,622,648,639,649,622,622,615,576,29959,29958,29988,29968,29978,29976, 29988,29989,29989,29990]} 1. e4 c6 2. Nf3 d5 3. exd5 cxd5 4. d4 Nc6 5. c3 e6 6. Bd3 {B13: Caro-Kann: Exchange Variation and Panov-Botvinnik Attack.} Bd6 { The main line 6...Bd6 scores better than 6...Nf6.} 7. O-O Nge7 8. Re1 {White has an edge.} Qc7 {[#]} 9. b3 $146 ({Predecessor:} 9. a3 Bd7 10. c4 dxc4 11. Bxc4 O-O 12. Nc3 Nb4 13. Bb3 Nbd5 14. Ne4 Bc6 15. Bg5 {1-0 (40) Ehlvest,J (2517)-Jaracz,P (2456) chess.com INT 2020}) 9... b6 10. c4 Bb4 11. Re3 Bb7 ( 11... h6 $14) 12. a3 $16 Bd6 13. Nc3 O-O-O (13... a6 $16) 14. Nb5 $18 Qd7 15. Nxd6+ Qxd6 16. Bb2 Qf4 (16... dxc4 $16 {is a better defense.} 17. bxc4 Kb8) 17. c5 Nf5 18. Bxf5 Qxf5 19. b4 bxc5 (19... Kb8 $142 20. b5 Na5) 20. b5 Nxd4 21. Nxd4 cxd4 22. Bxd4 Rd7 23. Rc1+ Kd8 24. Rf3 Qe4 25. Re3 ({Resist} 25. Bxg7 Rg8 $18) ({Not} 25. Bxa7 d4 $16) 25... Qf5 26. Bxg7 d4 {[#]} (26... Rg8 $142) 27. Rg3 $1 Re8 28. Qd2 f6 (28... Rc7 $142 29. Rg5 (29. Qxd4+ Qd5 $18) (29. Bxd4 Rxc1+ 30. Qxc1 Kd7 $18) 29... Rxc1+ 30. Qxc1 Qd3) 29. Qa5+ Ke7 30. Qb4+ Kf7 31. Bh6 {[%csl Gh6][%CAl Rg3g7]} e5 32. b6 a5 33. Qb5 {Intending Rg7+ and mate.} Red8 34. h3 Ke6 {[#]} 35. Rc6+ $1 {[%mdl 512]} Bxc6 36. Qxc6+ Rd6 37. Qc4+ Rd5 {White must now prevent ...Qb1+.} 38. Rb3 a4 39. Rb5 {Hoping for b7.} Qe4 40. b7 {White mates.} Rg8 41. Qc6+ Ke7 {[#]} 42. Bf8+ $1 {[%mdl 512]} Kf7 (42... Rxf8 43. Rxd5) 43. Qc7+ Kg6 44. b8=Q {Black got outplayed after the opening. Weighted Error Value: White=0.23/Black=0.50} 1-0 [Event "Chinese-ch Men 2020"] [Site "Xinghua"] [Date "2020.12.27"] [Round "8.6"] [White "Lu, Shanglei"] [Black "Xu, Yinglun"] [Result "1/2-1/2"] [ECO "C11"] [WhiteElo "2615"] [BlackElo "2554"] [Annotator "TA"] [PlyCount "38"] [EventDate "2020.12.19"] [EventType "tourn"] [EventCountry "CHN"] [SourceTitle "playchess.com"] [Source "ChessBase"] [SourceQuality "1"] {[%evp 20,38,14,-5,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0]} 1. e4 e6 2. d4 d5 3. Nc3 Nf6 4. e5 Nfd7 5. f4 c5 6. Nf3 Nc6 7. Be3 a6 8. a3 cxd4 9. Nxd4 Bc5 10. Qd2 O-O 11. O-O-O {The position is equal.} Rb8 {C11: French: Classical System: 4 e5 and 4 Bg5 dxe4.} 12. h4 Bxd4 13. Bxd4 b5 14. Rh3 Nxd4 (14... b4 15. axb4 Rxb4 16. Ne2 Rb7 17. h5 f6 18. h6 fxe5 19. hxg7 Rf7 20. fxe5 Rxg7 21. Rh5 Nxd4 22. Qxd4 Qa5 23. Kb1 Nc5 24. Rh4 Bd7 25. Nc1 Be8 26. Bd3 {1/2-1/2 (50) Lu,S (2639) -Xu,Y (2478) Shenyang 2019}) 15. Qxd4 Qe7 {[#]} 16. Qb4 $5 $146 {[%mdl 8] New and interesting.} ({Predecessor:} 16. b4 Nb6 17. h5 Bd7 18. Qc5 Qd8 19. Bd3 Re8 20. g4 a5 21. g5 axb4 22. axb4 Na4 23. Qd4 Qc7 24. Ne2 Nb6 25. Kd2 Ra8 26. Ke1 {1-0 (55) Trent,B (2380)-Haugen,A (2391) ICCF email 2018}) 16... Qd8 17. Qd4 Qe7 18. Qb4 Qd8 19. Qd4 Qe7 {A rather calm draw. Weighted Error Value: White=0. 02/Black=0.00} 1/2-1/2 [Event "Chinese-ch Men 2020"] [Site "Xinghua"] [Date "2020.12.28"] [Round "9.1"] [White "Xu, Yinglun"] [Black "Xu, Xiangyu"] [Result "1/2-1/2"] [ECO "D38"] [WhiteElo "2554"] [BlackElo "2573"] [Annotator "TA"] [PlyCount "56"] [EventDate "2020.12.19"] [EventType "tourn"] [EventCountry "CHN"] [SourceTitle "playchess.com"] [Source "ChessBase"] [SourceQuality "1"] {[%evp 16,56,17,0,12,14,0,7,16,10,10,10,10,10,10,10,10,10,10,10,12,10,10,9,10, 10,10,16,15,6,11,10,13,14,16,0,0,0,16,0,0,0,20]} 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Nf3 d5 5. Bg5 h6 6. Bxf6 Qxf6 7. Qb3 c5 8. cxd5 exd5 9. dxc5 {The position is equal.} Bxc3+ {D38: Queen's Gambit Declined: Ragozin Defence (4 Nf3 Bb4).} 10. Qxc3 Qxc3+ 11. bxc3 Na6 12. Rd1 Be6 13. e4 dxe4 14. Bxa6 bxa6 15. Nd4 Rc8 16. Nxe6 fxe6 $11 {[%mdl 4096] Endgame KRR-KRR} 17. Rd6 {[%mdl 64] [#] Double Attack} O-O 18. Rxe6 Rxc5 19. Rxe4 Rxc3 {aiming for ...Rc1+.} 20. O-O $1 Rc2 21. Ra4 Rf6 22. g4 Rb6 23. Kg2 Rbb2 24. a3 Rb6 {[#]} 25. Re1 $5 $146 {[%mdl 8] An interesting novelty.} ({Predecessor:} 25. Rf4 Rbc6 26. Rd1 R2c4 27. Rd8+ Kh7 28. Rdd4 Rxd4 29. Rxd4 Rc5 30. a4 a5 31. Kg3 h5 32. gxh5 Kh6 33. Rg4 Kxh5 34. Rxg7 Rc4 35. Rh7+ {1/2-1/2 (58) Kempinski,R (2600)-Kryvoruchko,Y (2652) Eretria 2011}) 25... Rf6 26. Rf1 Rb6 27. Re1 Rf6 28. Rf1 Rb6 {Not much happened in this game. Weighted Error Value: White=0.03/Black=0.01} 1/2-1/2 [Event "Chinese-ch Men 2020"] [Site "Xinghua"] [Date "2020.12.28"] [Round "9.2"] [White "Zhao, Jun"] [Black "Lu, Shanglei"] [Result "1/2-1/2"] [ECO "B97"] [WhiteElo "2638"] [BlackElo "2615"] [Annotator "TA"] [PlyCount "50"] [EventDate "2020.12.19"] [EventType "tourn"] [EventCountry "CHN"] [SourceTitle "playchess.com"] [Source "ChessBase"] [SourceQuality "1"] {[%evp 21,50,0,0,0,0,0,0,0,0,0,0,-1,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0]} 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Bg5 e6 7. f4 Qb6 8. Qd2 Qxb2 9. Rb1 Qa3 10. f5 Nc6 11. fxe6 fxe6 {The position is equal.} 12. Nxc6 { B97: Sicilian Najdorf: Poisoned Pawn.} bxc6 13. Bd3 {Recently 13.Be2 got a lot of attention.} Be7 14. e5 dxe5 15. O-O O-O 16. Qe1 a5 17. Ne4 {[#] Threatening Qh4.} Ba6 $146 ({Predecessor:} 17... Nxe4 18. Qxe4 g6 19. Bxe7 Rxf1+ 20. Kxf1 Qxe7 21. Qxc6 Qa7 22. Bc4 Bd7 23. Bxe6+ Bxe6 24. Qxe6+ {1/2-1/2 (31) Petkov,M (2409)-Mendonca,L (2516) Budapest 2020}) 18. Rb3 Bc5+ ({Much worse is} 18... Qxa2 $6 19. Bxa6 Qxc2 20. Bxf6 $16) 19. Kh1 Nxe4 20. Rxa3 ({Don't blunder} 20. Rxf8+ $2 Rxf8 21. Rxa3 Nf2+ 22. Qxf2 Rxf2 $19) 20... Rxf1+ 21. Bxf1 Nf2+ 22. Kg1 Nh3+ $1 {[%mdl 64] [#] Discovered Attack (Double check)} 23. Kh1 Nf2+ 24. Kg1 Nh3+ $1 {[%mdl 64] Discovered Attack (Double check)} 25. Kh1 Nf2+ {A rather calm draw. Weighted Error Value: White=0.00/Black=0.00} 1/2-1/2 [Event "Chinese-ch Men 2020"] [Site "Xinghua"] [Date "2020.12.28"] [Round "9.3"] [White "Yu, Yangyi"] [Black "Wei, Yi"] [Result "1-0"] [ECO "D85"] [WhiteElo "2709"] [BlackElo "2732"] [Annotator "TA"] [PlyCount "83"] [EventDate "2020.12.19"] [EventType "tourn"] [EventCountry "CHN"] [SourceTitle "playchess.com"] [Source "ChessBase"] [SourceQuality "1"] {[%evp 16,83,10,0,0,0,10,2,8,7,11,7,7,0,0,4,75,25,12,25,44,73,102,80,75,80,98, 94,112,111,101,114,112,105,175,167,180,150,127,113,106,74,107,113,106,106,128, 129,125,27,29,27,25,24,108,100,368,291,467,462,391,184,444,444,453,445,453,453, 643,622]} 1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. cxd5 Nxd5 5. e4 Nxc3 6. bxc3 Bg7 7. Nf3 c5 8. h3 O-O 9. Be2 cxd4 {D85: Exchange Grünfeld: Unusual White 7th moves and lines with 7 Nf3.} 10. cxd4 Nc6 {[%CAl Rc6d4]} 11. Be3 Qa5+ {The position is equal.} 12. Bd2 Qa3 13. d5 Ne5 14. Rb1 {14.0-0 is setting a new trend.} Nxf3+ 15. Bxf3 {[#]} f5 $146 (15... Qxa2 $11 {keeps the balance.} 16. O-O b6) ( {Predecessor:} 15... b6 16. O-O Qd6 17. Bb4 Qe5 18. d6 Bf6 19. Rc1 Rb8 20. Rc7 Ba6 21. dxe7 Rfe8 {1-0 (40) Nguyen,N (2659)-Laylo,D (2499) Ho Chi Minh City 2015}) 16. e5 Bxe5 17. O-O Qd6 18. Re1 {[%mdl 1024] White has compensation.} a5 19. Re2 b6 20. Qe1 Bf6 21. Qc1 Bb7 {[#]} 22. Bf4 $1 {[%CAl Rf4d6]} Qd7 23. Rxb6 Rac8 24. Qe1 Rf7 (24... Rfd8 $16) 25. Qxa5 $18 g5 {[#]} 26. Qa7 $1 Bc6 27. Qxd7 ({Not} 27. Rxc6 Qxa7 28. Rxc8+ Rf8 $15) 27... Bxd7 28. Rb7 gxf4 29. Rxd7 Rff8 30. a4 Rc1+ 31. Kh2 Kh8 32. a5 ({White should play} 32. Rb7 $16) 32... Ra1 $11 33. Ra7 Rg8 {Strongly threatening ...Bh4.} 34. Rd2 $36 {[%mdl 2048] Hoping for Rd1. White has good play.} Rf1 {[#]} (34... Rd8 $11 {remains equal.}) 35. Rd1 $1 $16 {[%CAl Rd1f1]} Rxf2 {[%mdl 8192] Loses the game.} (35... Rxd1 $16 36. Bxd1 Rd8) 36. a6 {[%CAl Ba5a6,Ba6a7][%mdl 32] d6 is the strong threat.} Ra2 $2 (36... Bh4 {is a better defense.} 37. Rb7 Ra2) 37. d6 $18 exd6 38. Rf7 (38. Bd5 $142 Rgxg2+ 39. Bxg2) 38... Be5 $2 (38... Bh4) 39. a7 {White is clearly winning.} h6 40. Kh1 Ra4 41. Rb7 Bf6 (41... h5 $142 42. Bd5 Rg3 43. Rb8+ Kh7) 42. Rxd6 {Weighted Error Value: White=0.20/Black=0.39} 1-0 [Event "Chinese-ch Men 2020"] [Site "Xinghua"] [Date "2020.12.28"] [Round "9.4"] [White "Wen, Yang"] [Black "Bai, Jinshi"] [Result "1/2-1/2"] [ECO "D02"] [WhiteElo "2594"] [BlackElo "2618"] [Annotator "TA"] [PlyCount "60"] [EventDate "2020.12.19"] [EventType "tourn"] [EventCountry "CHN"] [SourceTitle "playchess.com"] [Source "ChessBase"] [SourceQuality "1"] {[%evp 9,60,7,23,-17,0,-19,-10,-14,-8,-25,0,0,0,0,0,0,7,12,13,0,3,0,0,0,0,0,0, 0,0,0,0,0,0,0,0,0,2,5,10,6,13,11,10,4,7,8,14,9,12,0,10,10,12]} 1. d4 d5 2. Nf3 Nf6 3. Bf4 Bf5 4. c4 e6 5. Qb3 Bd6 {[#]} 6. Bg5 $146 {D02:1 d4 d5 2 Nf3 sidelines, including 2...Nf6 3 g3 and 2...Nf6 3 Bf4.} ({Predecessor:} 6. Bxd6 cxd6 7. cxd5 Nxd5 8. Nbd2 Nf6 9. e3 Nbd7 10. Be2 Qb6 11. Nc4 Qc7 12. Qxb7 Qxb7 13. Nxd6+ {1-0 (37) Laurent,M (2054)-Stephan,A (1881) Avoine 2010}) 6... dxc4 7. Qxc4 Nbd7 8. Nc3 {[#] Strongly threatening e4!} h6 9. Bh4 {With the idea e4! } Be7 10. e3 {The position is equal.} O-O 11. Be2 c5 12. O-O Ne4 13. Bxe7 Qxe7 14. Rac1 cxd4 15. Qxd4 Ndf6 16. Qe5 Rac8 17. Nd4 Nxc3 18. Rxc3 Be4 19. Rfc1 Rxc3 20. Rxc3 Qb4 21. Qb5 Qxb5 22. Bxb5 a6 23. Be2 Bd5 24. a3 Rd8 25. f3 e5 26. Nb3 Bxb3 27. Rxb3 Rd7 28. Kf1 Kf8 29. f4 exf4 30. exf4 Ne4 {An uneventful encounter. Weighted Error Value: White=0.05/Black=0.04} 1/2-1/2 [Event "Chinese-ch Men 2020"] [Site "Xinghua"] [Date "2020.12.28"] [Round "9.5"] [White "Zhang, Rui"] [Black "Lin, Yi"] [Result "0-1"] [ECO "B22"] [WhiteElo "1658"] [BlackElo "2408"] [Annotator "TA"] [PlyCount "92"] [EventDate "2020.12.19"] [EventType "tourn"] [EventCountry "CHN"] [SourceTitle "playchess.com"] [Source "ChessBase"] [SourceQuality "1"] {[%evp 13,92,-2,-3,-42,-45,-56,-56,-56,-56,-56,-57,-54,-57,-60,-47,-53,-57,-59, -54,-74,-23,-39,8,10,9,18,10,14,11,11,11,-83,-92,-115,-108,-102,-75,-105,-95, -148,-147,-193,-179,-168,-47,-157,-170,-170,-170,-162,-145,-161,-165,-163,-127, -255,-237,-12833,-12836,-12833,-12834,-12839,-12838,-12840,-12840,-12841, -12841,-12841,-12842,-12842,-12843,-12846,-12847,-12847,-12847,-12849,-12848, -12849,-12849,-12850,-12850]} 1. e4 c5 2. c3 Nf6 3. e5 Nd5 4. d4 cxd4 5. Nf3 d6 6. cxd4 Nc6 7. Bc4 Nb6 8. Bd3 {B22: Sicilian: 2 c3.} Bg4 9. h3 Bxf3 10. Qxf3 { Black is slightly better.} Nxd4 11. Qxb7 Qc8 12. Qxc8+ Rxc8 13. Nc3 dxe5 14. O-O e6 15. Be3 Bc5 16. Rac1 {[#]} Ke7 $146 ({Black should try} 16... O-O $17) ( {Predecessor:} 16... O-O 17. Ba6 Rb8 18. Rfd1 Rfd8 19. Kf1 Be7 20. Nb5 Nxb5 21. Rxd8+ Bxd8 22. Bxb5 Nd5 23. Bxa7 Rxb5 {0-1 (44) Antoli Royo,J (2434) -Damljanovic,B (2611) Pamplona 2011}) 17. Ba6 Rb8 18. Ne4 Bd6 19. Nxd6 Kxd6 20. f4 {fxe5+ is the strong threat.} f6 21. fxe5+ fxe5 {Threatens to win with ... Nd5.} 22. Rf7 (22. b3 $11) 22... Nd5 $17 23. Bxd4 exd4 24. b3 g5 25. Bc4 Ne3 26. Rxa7 ({White should play} 26. Ba6) 26... Ra8 $1 {[%CAl Ra8a7]} 27. Rb7 Rxa2 28. Rb6+ {[#]} Kc5 (28... Ke5 $1 $19 29. Rxe6+ Kf5) 29. Rxe6 (29. Rb5+ $15 Kd6 30. Rxg5) 29... Rxg2+ 30. Kh1 {Strongly threatening Rxe3!} Rc2 31. Re5+ {[#]} Kb4 $1 32. Rxc2 Nxc2 33. Rxg5 {[%mdl 4096] Endgame KRB-KRN} Ne3 34. Bd3 { Loses the game.} (34. Ba6 $17 {keeps fighting.}) 34... Kc3 $19 ({Much less strong is} 34... Kxb3 35. Rc5 $17) 35. Bb1 (35. Be2) 35... d3 {Black is clearly winning.} 36. Bxd3 Kxd3 {KRN-KR} 37. Kh2 Ke4 38. Rg7 h5 39. Re7+ Kf4 40. Rf7+ Nf5 41. Rc7 Rd8 42. Rc4+ Kf3 43. Rc3+ Ne3 {( -> ...Rd2+)} 44. h4 Rd2+ 45. Kh3 Rd1 {[%CAl Rd1h1]} 46. Kh2 Kf2 {Weighted Error Value: White=0.45/ Black=0.09} 0-1 [Event "Chinese-ch Men 2020"] [Site "Xinghua"] [Date "2020.12.28"] [Round "9.6"] [White "Ju, Wenjun"] [Black "Huang, Renjie"] [Result "1-0"] [ECO "B31"] [WhiteElo "2560"] [BlackElo "2422"] [Annotator "TA"] [PlyCount "93"] [EventDate "2020.12.19"] [EventType "tourn"] [EventCountry "CHN"] [SourceTitle "playchess.com"] [Source "ChessBase"] [SourceQuality "1"] {[%evp 15,93,0,4,4,20,4,2,0,10,23,12,7,10,9,23,29,29,29,83,80,82,82,88,74,80, 66,136,127,129,162,202,203,334,342,352,293,292,256,280,203,300,150,133,138,354, 207,478,373,584,584,536,450,416,105,214,225,251,177,180,180,177,183,338,335, 364,359,470,470,470,470,586,586,586,586,586,583,866,615,955,930]} 1. e4 c5 2. Nf3 Nc6 3. Bb5 g6 4. O-O Bg7 5. c3 Nf6 6. Re1 O-O 7. d4 d5 8. e5 Ne4 9. Be3 $1 {[%mdl 4] outshines the older 9.Bxc6. B31: Sicilian: 2...Nc6 3 Bb5 g6.} Qb6 10. Bxc6 bxc6 11. Qc1 {The position is equal.} c4 12. Nbd2 Nxd2 13. Nxd2 Bf5 14. b3 {[#]} Qa6 $146 ({Predecessor:} 14... Bd3 15. Qa3 Rfe8 16. Qa4 Qb5 17. Qxb5 cxb5 18. a4 b4 19. Rec1 Rec8 20. bxc4 dxc4 21. cxb4 {0-1 (50) Alekseev,E (2626) -Vokhidov,S (2512) chess.com INT 2020}) 15. Bg5 f6 16. Bf4 fxe5 (16... g5 $11 { remains equal.} 17. exf6 exf6) 17. Bxe5 $16 Bh6 18. bxc4 dxc4 19. f4 c5 20. Nf3 Rad8 ({Black should try} 20... cxd4 $14 21. Nxd4 e6) 21. dxc5 Qc6 22. Qe3 Rd3 23. Qf2 {And now Qh4 would win.} Be4 (23... Bg4 $142) 24. Nd4 $18 Qd5 25. Qe2 Bf5 26. c6 Bc8 27. Qf2 Rxc3 (27... Bg5 {was called for.} 28. Re3 a6) 28. Nf5 Rxf5 $16 29. Bxc3 Rxf4 $2 (29... Bxf4 $16 30. Qd4 Qxd4+ 31. Bxd4 Kf7) 30. Qe2 ( 30. Qxa7 $142 Bh3 31. Re2 (31. gxh3 Qg5+ 32. Kh1 Qd5+ {[%mdl 64] Double Attack} 33. Kg1 Qg5+ 34. Kh1 Qd5+ {[%mdl 64] Double Attack} 35. Kg1 $11)) 30... Rf5 $2 (30... Qc5+ {is a better defense.} 31. Kh1 Qxc6) 31. Rad1 Qxc6 (31... Qc5+ { was necessary.} 32. Kh1 Rf8) 32. Qxe7 $18 {White wants to mate with Rd8+.} Bb7 {[%csl Gb7][%CAl Rc6g2]} 33. Rd8+ Rf8 {[#]} 34. Rxf8+ (34. Rd2 $142 $1 { [%mdl 512] Re6 is the strong threat.} Rf5 35. Re6) 34... Bxf8 {[%csl Gb7][%CAl Rc6g2] [#]} 35. Qe2 Bc8 36. Qe5 $40 {[%mdl 128] White is out for blood.} Qc5+ 37. Kf1 {Qh8+ would kill now.} Qxe5 38. Rxe5 {[%mdl 4096] Endgame aiming for Re8. KRB-KB} (38. Bxe5 $6 Bf5 $14) 38... Bf5 $2 (38... Kf7 39. Ra5 a6) 39. Ra5 Bd6 40. g3 ({Resist} 40. Rxa7 Bxh2 41. a4 Bd6 $18) 40... Kf8 41. Rxa7 {White is clearly winning.} h5 42. a4 {[%CAl Ba2a4,Ba4a5,Ba5a6,Ba6a7][%mdl 32]} Ke8 43. a5 Be4 44. a6 Kd8 45. Rg7 Kc8 46. a7 Bc5 47. Rg8+ {Weighted Error Value: White=0.35/Black=0.51} 1-0 [Event "Chinese-ch Men 2020"] [Site "Xinghua"] [Date "2020.12.29"] [Round "10.1"] [White "Xu, Xiangyu"] [Black "Huang, Renjie"] [Result "1/2-1/2"] [ECO "D02"] [WhiteElo "2573"] [BlackElo "2422"] [Annotator "TA"] [PlyCount "60"] [EventDate "2020.12.19"] [EventType "tourn"] [EventCountry "CHN"] [SourceTitle "playchess.com"] [Source "ChessBase"] [SourceQuality "1"] {[%evp 20,60,50,36,50,44,42,46,42,42,52,12,18,10,19,20,29,18,45,43,24,22,46,39, 52,49,42,0,8,6,6,10,43,0,0,0,0,0,0,0,0,0,0]} 1. g3 {Avrukh,B} d5 2. Nf3 Nf6 3. Bg2 c5 4. d4 cxd4 5. O-O e6 6. Nxd4 e5 7. Nb3 Nc6 8. Bg5 Be6 9. Nc3 d4 10. Ne4 Be7 11. Bxf6 Bxf6 {D02:1 d4 d5 2 Nf3 sidelines, including 2...Nf6 3 g3 and 2.. .Nf6 3 Bf4.} 12. Nbc5 Bc8 13. c3 Be7 {[#] Strongly threatening ...f5.White is slightly better.} 14. cxd4 exd4 {[#] With the idea ...f5.} 15. b4 $146 ({ Predecessor:} 15. Qb3 Qb6 16. Qxb6 axb6 17. Nd3 O-O 18. Rfc1 Re8 19. Kf1 Bg4 20. h3 Bf5 21. Rd1 Bf8 22. Nd2 h5 23. Nf4 Nb4 24. a3 g5 25. Nxh5 {1-0 (25) Kharitonov,A (2540)-Shcherbakov,R (2580) Sochi 1997 CBM 062 [Avrukh,B]}) 15... O-O 16. a3 a5 17. Qa4 Qb6 {[#]} 18. b5 $1 Na7 (18... Ne5 19. Qxd4) 19. Qxd4 Nxb5 20. Qc4 Bf5 21. Na4 Qg6 22. Qxb5 {Hoping for Nec3.} Bxe4 23. Rfd1 Rad8 24. Bxe4 Qxe4 25. Nc3 Qc6 (25... Rxd1+ {is interesting.} 26. Rxd1 Qc2 27. Rd3 Bf6 28. Qxa5 Bxc3 29. Qxc3 Qxe2 30. a4 Re8) 26. Qxc6 (26. Qxa5 {is more complex.} Rfe8 27. Nd5 Bc5 28. Qd2 Rd7 29. Rac1) 26... bxc6 {The position is equal.} 27. Rdc1 Rd4 28. Nd1 Ra4 29. Rxc6 Rxa3 30. Rxa3 Bxa3 {Weighted Error Value: White=0.08/Black=0.07} 1/2-1/2 [Event "Chinese-ch Men 2020"] [Site "Xinghua"] [Date "2020.12.29"] [Round "10.2"] [White "Lin, Yi"] [Black "Ju, Wenjun"] [Result "1/2-1/2"] [ECO "D13"] [WhiteElo "2408"] [BlackElo "2560"] [Annotator "TA"] [PlyCount "51"] [EventDate "2020.12.19"] [EventType "tourn"] [EventCountry "CHN"] [SourceTitle "playchess.com"] [Source "ChessBase"] [SourceQuality "1"] {[%evp 15,51,13,17,20,26,30,34,27,40,30,37,39,38,39,40,0,-1,-21,0,0,0,0,0,0,0, 0,0,-5,-5,-5,0,0,0,-5,0,0,0,-5]} 1. d4 d5 2. c4 c6 3. cxd5 cxd5 4. Bf4 Nc6 5. e3 Nf6 6. Nc3 a6 7. Be2 Bf5 8. Nf3 {8.Nf3 is better than 8.g4.} e6 9. Qb3 { D13: Slav Defence: Exchange variation without ...Bf5.} Nh5 {[#]} 10. Qxb7 $146 ({Predecessor:} 10. Bg5 Qc7 11. Ne5 h6 12. Bh4 Nxe5 13. dxe5 g5 14. Bxh5 gxh4 15. O-O Be7 16. Qa4+ Kf8 {1/2-1/2 (26) Ryzhkov,I (2356)-Gnilka,T (2292) ICCF email 2016}) 10... Na5 11. Qc7 {White is slightly better.} Nxf4 12. Qxd8+ Rxd8 13. exf4 Rb8 14. O-O-O Bb4 15. Bd3 {Bxf5 is the strong threat.} (15. Nh4 $5 { [%CAl Rh4f5]}) 15... Bg4 {The position is equal.} 16. Bxa6 Bxf3 17. gxf3 Bxc3 18. bxc3 Rb6 19. Bd3 Ke7 20. Kc2 Rc8 21. Rc1 ({Much worse is} 21. Bxh7 Nc4 $17) 21... g6 22. Kd2 Rb2+ 23. Rc2 Rb6 24. Rcc1 Rb2+ 25. Rc2 Rb6 26. Rcc1 {Weighted Error Value: White=0.05/Black=0.02} 1/2-1/2 [Event "Chinese-ch Men 2020"] [Site "Xinghua"] [Date "2020.12.29"] [Round "10.3"] [White "Bai, Jinshi"] [Black "Zhang, Rui"] [Result "1-0"] [ECO "D34"] [WhiteElo "2618"] [BlackElo "1658"] [Annotator "TA"] [PlyCount "63"] [EventDate "2020.12.19"] [EventType "tourn"] [EventCountry "CHN"] [SourceTitle "playchess.com"] [Source "ChessBase"] [SourceQuality "1"] {[%evp 21,63,30,114,112,107,118,118,116,230,225,219,219,239,201,193,202,246, 232,266,260,271,271,271,267,273,264,297,263,285,281,451,448,443,422,489,477, 510,505,501,500,486,473,1161,1149]} 1. Nf3 Nf6 2. c4 e6 3. g3 d5 4. Bg2 Be7 5. O-O O-O 6. b3 c5 7. cxd5 exd5 8. d4 Nc6 9. Bb2 Ne4 10. Nc3 Bf6 11. Na4 b5 ( 11... cxd4 $11 12. Nxd4 Bd7) 12. Nxc5 $16 {D34: Tarrasch Defence: 6 g3 Nf6 7 Bg2 Be7.} Nxc5 13. Rc1 {[%mdl 64] Pin} Nxb3 14. Qxb3 {White is better.} Qd6 ( 14... Qb6 $16) 15. Ne5 $1 $18 (15. Qxb5 $6 Rb8 $16) 15... Na5 {[#]} 16. Qxb5 $146 ({Predecessor:} 16. Qxd5 Qxd5 17. Bxd5 Rb8 18. Nxf7 Bb7 19. Be6 Rfe8 20. Nd8+ Rxe6 21. Nxe6 Nc4 22. Ba1 {1-0 (49) Cuevas,A (2262)-Kropff,R (2174) Buenos Aires 2014}) 16... Rb8 17. Qxa5 Rxb2 18. Bxd5 Be6 {[#]} 19. Nc4 $1 Rxa2 (19... Qb4 20. Qxb4) 20. Bxe6 (20. Nxd6 $6 Rxa5 21. Bxe6 fxe6 $16) ({Much less strong is} 20. Qxa2 Qxd5 21. Qa5 (21. Qxa7 Bxd4 22. Qa5 Qe4 $16) 21... Qxd4 $18 ) 20... Rxa5 {[#]} 21. Bxf7+ {[%mdl 512]} Kxf7 22. Nxd6+ Ke6 23. Nb7 Ra2 24. Nc5+ Kd6 25. e3 a5 $2 (25... Bd8 {was worth a try.} 26. Ne4+ Ke7) 26. Ra1 { White is clearly winning.} Rxa1 27. Rxa1 Ra8 {[#]} 28. Rxa5 $3 {[%mdl 576] Decoy} Rxa5 (28... Re8 29. Kg2) 29. Nb7+ {[%mdl 64] Double Attack} Kd5 30. Nxa5 Ke4 31. Nb7 Kf3 (31... g6 $142 32. Kf1 Kd5) 32. d5 {Black got outplayed after the opening. Weighted Error Value: White=0.04/Black=0.40} 1-0 [Event "Chinese-ch Men 2020"] [Site "Xinghua"] [Date "2020.12.29"] [Round "10.4"] [White "Wei, Yi"] [Black "Wen, Yang"] [Result "1-0"] [ECO "C60"] [WhiteElo "2732"] [BlackElo "2594"] [Annotator "TA"] [PlyCount "71"] [EventDate "2020.12.19"] [EventType "tourn"] [EventCountry "CHN"] [SourceTitle "playchess.com"] [Source "ChessBase"] [SourceQuality "1"] {[%evp 9,71,5,34,34,25,34,29,24,32,31,31,20,26,12,49,41,65,50,45,45,59,32,60, 65,69,56,69,64,58,70,87,100,95,78,79,75,91,73,308,318,370,97,266,111,116,112, 166,164,164,164,151,130,134,141,302,47,173,180,161,135,260,260,365,365]} 1. e4 e5 2. Nf3 Nc6 3. Bb5 g6 4. d4 exd4 5. c3 a6 6. Bc4 {C60: Ruy Lopez: Unusual Black 3rd moves and 3...g6.} b5 7. Bb3 Bg7 8. cxd4 {White has an edge.} Nge7 9. d5 Na5 10. Bd2 Nxb3 11. axb3 d6 12. Bc3 f6 13. O-O O-O 14. Na3 {[%CAl Bb1a3, Ba3c2,Bc2b4,Bb4d5][%mdl 32] [#]} Qe8 $146 ({Predecessor:} 14... Bd7 15. Nc2 c5 16. dxc6 Bxc6 17. Nfd4 Bd7 18. Bb4 Qb6 19. Nf3 Rfe8 20. Bxd6 Rad8 {1-0 (65) Yoo,C (2254)-Cornette,D (2404) Douglas 2017}) 15. Re1 Bd7 16. Nc2 Qf7 17. Qd2 Rfd8 18. Ba5 Rdc8 19. Nb4 c5 20. dxc6 $1 Nxc6 21. Nd5 $1 ({But not} 21. Qxd6 $6 Bf8 $11) 21... Nxa5 22. Qxa5 Rcb8 23. Rec1 f5 $2 (23... Rb7 $16) 24. Ng5 $18 Qf8 25. Qc7 $2 (25. Rc7 $18 {and White stays clearly on top.} Qd8 26. Qd2) 25... Qd8 (25... Rd8 $16) 26. Qxd6 (26. exf5 $18 {has better winning chances. Strongly threatening f6.} Qxg5 27. Qxd7 gxf5 28. Rc7 (28. Qxd6 Bxb2 {[%mdl 64] Double Attack} 29. h4 Qd8 $14)) 26... Qxg5 $16 27. Qxd7 {Threatens to win with Rc7.} fxe4 (27... Rd8 $16 28. Qe6+ Kh8) 28. Rc7 $18 {[%csl Gc7][%CAl Rd7g7]} Qe5 29. Ne7+ $1 Kh8 {...Rd8 is the strong threat.} 30. Nc8 $40 {[%mdl 128] Intending Qd8+ and mate. White goes for the king.} h5 31. Rd1 {aiming for Ne7.} e3 $2 {[#]} (31... Kh7 $16) 32. fxe3 $2 ({Only move:} 32. f4 $1 $18 {[%CAl Rf4e5]} Qxc7 {[%mdl 64] Remove Defender} 33. Qxc7 Rxc8 34. Qb6 {[%mdl 64] Double Attack}) 32... Qxe3+ (32... Kh7 $1 $14) 33. Kh1 {[%csl Gc7][%CAl Rd7g7]} Qe5 34. Ne7 Rb6 {[#]} (34... Qg5 $16) 35. Rc6 $1 Qxe7 (35... Rxc6 $142 36. Qxc6 {[%mdl 64] Double Attack} Qxe7 37. Qxa8+ Kh7 38. Qxa6 Qe2) 36. Rxb6 {Weighted Error Value: White=0.29/Black=0.49} ({Weaker is} 36. Qxe7 Rxc6 37. g4 Rac8 $18) 1-0 [Event "Chinese-ch Men 2020"] [Site "Xinghua"] [Date "2020.12.29"] [Round "10.5"] [White "Lu, Shanglei"] [Black "Yu, Yangyi"] [Result "1/2-1/2"] [ECO "C24"] [WhiteElo "2615"] [BlackElo "2709"] [Annotator "TA"] [PlyCount "61"] [EventDate "2020.12.19"] [EventType "tourn"] [EventCountry "CHN"] [SourceTitle "playchess.com"] [Source "ChessBase"] [SourceQuality "1"] {[%evp 9,61,2,10,10,14,14,14,12,14,12,10,14,26,13,38,24,39,26,38,30,21,0,25,18, 13,21,27,31,24,27,37,48,45,47,34,0,1,8,7,8,25,0,0,0,0,0,0,0,20,-218,0,-29,0, -23]} 1. e4 e5 2. Bc4 Nf6 3. d3 c6 4. Nf3 d5 5. Bb3 a5 {[#] Hoping for ...a4.} 6. a4 {C24: Bishop's Opening: 2...Nf6.} ({Don't blunder} 6. Nxe5 $2 a4 $19) 6... Bb4+ 7. c3 Bd6 8. exd5 cxd5 9. Bg5 Be6 10. Na3 h6 11. Bh4 Nc6 12. Nb5 Bb8 13. O-O O-O 14. Re1 {[#]} Ra6 $146 ({Predecessor:} 14... g5 15. Bg3 Bg4 16. h3 Bh5 17. Re3 Kg7 18. Rc1 Ng8 19. d4 e4 20. Bxb8 Rxb8 {1-0 (35) Aronian,L (2781) -Duda,J (2743) chess24.com INT 2020}) 15. h3 Re8 16. Rc1 Qd7 17. Bg3 {[%CAl Rg3e5]} Bf5 18. d4 {[%CAl Rg3e5] Strongly threatening Bxe5.} e4 {Threatens to win with ...Bxg3.} 19. Bxb8 {aiming for Ne5.} Rxb8 20. Ne5 Qe7 21. f4 Be6 22. c4 dxc4 23. Bxc4 Bxc4 24. Rxc4 Rd8 25. Qc1 Rb6 26. Nc3 Nxd4 27. Nxe4 Ne6 28. f5 Nd4 29. Qf4 {[#]} (29. Nf2 $11 {and White stays safe.}) 29... Rb4 $2 (29... Nh5 $1 $19 {[%CAl Rh5f4]} 30. Qg4 Qxe5) 30. Rxb4 axb4 31. Ng4 {Weighted Error Value: White=0.22/Black=0.14} 1/2-1/2 [Event "Chinese-ch Men 2020"] [Site "Xinghua"] [Date "2020.12.29"] [Round "10.6"] [White "Xu, Yinglun"] [Black "Zhao, Jun"] [Result "1/2-1/2"] [ECO "D10"] [WhiteElo "2554"] [BlackElo "2638"] [Annotator "TA"] [PlyCount "80"] [EventDate "2020.12.19"] [EventType "tourn"] [EventCountry "CHN"] [SourceTitle "playchess.com"] [Source "ChessBase"] [SourceQuality "1"] {[%evp 15,80,26,19,12,17,0,19,18,31,18,29,6,42,36,32,16,10,0,6,0,0,-48,-48,-48, -49,-22,28,20,52,53,63,59,58,54,54,54,54,54,49,49,47,61,61,61,61,61,61,51,61,0, 82,82,82,82,94,29,28,0,0,0,42,40,66,61,61,61,61]} 1. c4 c6 2. d4 d5 3. cxd5 cxd5 4. Bf4 Nf6 5. Nc3 Nc6 6. e3 a6 7. Bd3 Bg4 8. Nge2 e6 9. f3 {D10: Slav Defence: 3 cxd5 (without early Nf3) and 3 Nc3.} Bh5 10. O-O Bd6 11. Rc1 { The position is equal.} O-O 12. Na4 e5 13. dxe5 Bxe5 14. Qb3 Qe7 {[#]} 15. Kh1 $146 ({Predecessor:} 15. Rfe1 Rfe8 16. Bg5 Qb4 17. Qc2 Bg6 18. Bxg6 hxg6 19. a3 Qa5 20. b4 Qc7 21. Kh1 {1/2-1/2 (60) Mukherjee,A (2495)-Atakisi,F (2523) Switzerland 2002}) 15... Bg6 16. Bxg6 hxg6 17. Bg5 Rad8 18. Nc5 Na5 $1 { [%CAl Ra5b3]} 19. Qb4 Nc4 {aiming for ...Bd6.} 20. b3 {[%CAl Bb2b3,Bb3c4][%mdl 32] [#]} Bd6 $1 21. Qxb7 Qe5 {[%csl Gd6][%CAl Re5h2]} 22. Bf4 $36 {[%mdl 2048] White is pushing.} Qb2 {[%mdl 64] Double Attack} 23. bxc4 Qxe2 {[#]} 24. Rfe1 $1 {[%CAl Re1e2]} Qxa2 25. Qxa6 Qxa6 26. Nxa6 Bxf4 27. exf4 dxc4 28. Rxc4 Rd2 29. Nb4 Ra8 30. Kg1 Kh7 31. g3 $1 Ra3 32. Rc2 (32. Rf1 $1 $14) 32... Rd6 (32... Rxc2 $11 33. Nxc2 Rxf3) 33. Nc6 Nd7 34. Kg2 f6 35. Re7 (35. Re8 $16) 35... Nb6 $1 $11 {[%CAl Rb6d5] White must now prevent ...Nd5.} 36. Nb4 {Rcc7 is the strong threat.} Rb3 $1 37. Rcc7 Rb2+ 38. Kh3 {White is slightly better.} Nd7 39. Rcxd7 Rxd7 40. Rxd7 Rxb4 {Weighted Error Value: White=0.09/Black=0.12} 1/2-1/2 [Event "Chinese-ch Men 2020"] [Site "Xinghua"] [Date "2020.12.30"] [Round "11.1"] [White "Zhao, Jun"] [Black "Xu, Xiangyu"] [Result "1/2-1/2"] [ECO "B45"] [WhiteElo "2638"] [BlackElo "2573"] [Annotator "TA"] [PlyCount "52"] [EventDate "2020.12.19"] [EventType "tourn"] [EventCountry "CHN"] [SourceTitle "playchess.com"] [Source "ChessBase"] [SourceQuality "1"] {[%evp 15,52,-11,0,-27,-8,-6,-11,-15,-15,-35,-35,-34,-34,-32,-32,-40,-40,-40, -24,-29,-29,-24,-26,-39,-13,-31,-25,-48,-48,-48,-48,-48,-48,-50,-40,-40,0,-57, 0]} 1. e4 c5 2. Nf3 Nc6 3. Nc3 e6 4. d4 cxd4 5. Nxd4 Nf6 6. Be2 Bb4 7. Qd3 d5 8. Nxc6 bxc6 9. e5 {B45: Sicilian Four Knights.} Ne4 10. O-O Bxc3 11. bxc3 { The position is equal.} Qa5 {[#]} 12. a4 $146 ({Predecessor:} 12. Bd2 Nxd2 13. Qxd2 Ba6 14. Bxa6 Qxa6 15. f4 g6 16. Rf3 Kd7 17. h3 h5 18. Kh2 {1-0 (24) Matinian,N (2470)-Perrine,D (2247) Chess.com INT 2020}) 12... Nxc3 13. Bd2 Nxe2+ 14. Qxe2 {[#]} Ba6 $1 15. Bxa5 Bxe2 16. Rfe1 Ba6 17. Bb4 Kd7 18. Bc5 Rhb8 19. Reb1 Bc4 (19... f6 {with more complications.} 20. f4 fxe5 21. fxe5 Kc8 22. Kf2 Rxb1 23. Rxb1 Rb8) 20. f4 Kc8 21. Kf2 Rxb1 22. Rxb1 Rb8 23. Rxb8+ Kxb8 24. Ke3 Bf1 25. Kf2 Bc4 26. Ke3 $1 Bf1 {Weighted Error Value: White=0.05/Black=0.06 } ({Black should play} 26... Kb7 $15) 1/2-1/2 [Event "Chinese-ch Men 2020"] [Site "Xinghua"] [Date "2020.12.30"] [Round "11.2"] [White "Yu, Yangyi"] [Black "Xu, Yinglun"] [Result "1/2-1/2"] [ECO "D41"] [WhiteElo "2709"] [BlackElo "2554"] [Annotator "TA"] [PlyCount "60"] [EventDate "2020.12.19"] [EventType "tourn"] [EventCountry "CHN"] [SourceTitle "playchess.com"] [Source "ChessBase"] [SourceQuality "1"] {[%evp 21,60,10,21,22,36,7,23,0,0,0,0,0,0,0,29,29,55,48,54,0,16,0,0,0,0,0,0,0, 0,0,0,0,0,0,0,0,0,0,0,0,-1]} 1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. Nf3 c5 5. cxd5 Nxd5 6. e4 Nxc3 7. bxc3 cxd4 8. cxd4 Bb4+ 9. Bd2 Bxd2+ 10. Qxd2 O-O 11. Bc4 Nd7 12. O-O {D41: Queen's Gambit Declined: Semi-Tarrasch with 5 cxd5.} b6 13. d5 Nc5 14. Qd4 {White has an edge.} exd5 15. exd5 Qd6 16. Rfe1 Bb7 17. Rad1 {[#]} Rfe8 $146 ({Predecessor:} 17... Rae8 18. Ne5 a6 19. a3 Re7 20. Re3 Rfe8 21. Nxf7 Kxf7 22. Re6 Qd8 23. Qf4+ Kg8 24. Rxe7 Rxe7 25. d6+ Re6 26. d7 g6 27. Rd6 {1-0 (27) Giri,A (2764)-Nepomniachtchi,I (2784) chess24.com INT 2020}) 18. Ne5 f6 {[%CAl Re8e5]} 19. Nc6 a6 {[#]} 20. a3 (20. Ne7+ $1 $14 Kf8 (20... Kh8 21. Qe3) 21. Nf5) 20... Kh8 {The position is equal.} 21. Qc3 Na4 ({Much weaker is} 21... Bxc6 22. dxc6 Rxe1+ 23. Qxe1 $16) 22. Qc1 Bxc6 23. dxc6 $40 {[%mdl 128] White is up to no good.} Qxc6 24. Bxa6 Rxe1+ 25. Rxe1 Qxc1 26. Rxc1 $11 { KRB-KRN} Nc5 27. Bc4 Rxa3 28. Rb1 g5 29. Rxb6 Ra1+ 30. Bf1 Ne4 {Weighted Error Value: White=0.08/Black=0.05} 1/2-1/2 [Event "Chinese-ch Men 2020"] [Site "Xinghua"] [Date "2020.12.30"] [Round "11.3"] [White "Wen, Yang"] [Black "Lu, Shanglei"] [Result "0-1"] [ECO "B51"] [WhiteElo "2594"] [BlackElo "2615"] [Annotator "TA"] [PlyCount "70"] [EventDate "2020.12.19"] [EventType "tourn"] [EventCountry "CHN"] [SourceTitle "playchess.com"] [Source "ChessBase"] [SourceQuality "1"] {[%evp 9,70,78,83,82,92,79,88,67,74,77,99,80,95,71,68,77,62,31,31,22,31,0,0,4, 16,-34,-25,-27,-21,-32,-34,-26,-13,-15,-12,-22,-10,-22,-22,-22,-18,-25,-20,-13, -19,-37,-17,-39,-16,-16,-16,-79,-56,-43,-65,-62,-68,-127,-103,-12827,-12827, -1572,-1112]} 1. e4 c5 2. Nf3 d6 3. Bb5+ Nc6 4. O-O g6 5. d4 cxd4 6. Qxd4 { B51: Sicilian: Moscow Variation (3 Bb5+) without 3...Bd7.} f6 7. Qd5 Bd7 {[#]} 8. Bc4 $146 {[%csl Gc4][%CAl Rd5f7] [#]White is better.} ({Predecessor:} 8. Nc3 e6 9. Qd3 a6 10. Bxc6 Bxc6 11. Nd4 Kf7 12. f4 Ne7 13. Be3 Qd7 14. Rad1 Rd8 15. f5 gxf5 16. exf5 {1-0 (16) Saarikangas,M (1930)-Mouawad,G (1692) ICCF email 2018}) 8... e6 9. Qd3 a6 10. a4 Qc7 11. Nc3 Nh6 12. Bb3 Ng4 13. h3 Nge5 14. Qd1 Bg7 15. Nd4 Nxd4 16. Qxd4 f5 {...Nf3+! is the strong threat.} 17. Qd1 fxe4 18. Nxe4 d5 19. Nc3 O-O 20. Be3 Nc6 21. Ne2 Na5 22. c3 b5 23. axb5 {And now b6 would win.} Nxb3 24. Qxb3 Bxb5 25. Rfe1 Bc4 26. Qc2 e5 27. Qd2 a5 28. f4 d4 29. cxd4 Bxe2 30. Rxe2 (30. Qxe2 $11 {remains equal.} exd4 31. Bd2) 30... exf4 31. Bf2 f3 32. gxf3 Rxf3 33. Kg2 (33. Ra3 $15 Rf5 34. Qc2) 33... Raf8 {Strongly threatening ...Qd7.} 34. Qxa5 $2 {[%mdl 8192]} (34. Ra3 $17 R3f5 35. Bg3) 34... Qb7 $19 35. d5 {[#]} Rxf2+ $1 {[%mdl 512] Weighted Error Value: White=0.32/ Black=0.05} 0-1 [Event "Chinese-ch Men 2020"] [Site "Xinghua"] [Date "2020.12.30"] [Round "11.4"] [White "Zhang, Rui"] [Black "Wei, Yi"] [Result "0-1"] [ECO "B04"] [WhiteElo "1658"] [BlackElo "2732"] [Annotator "TA"] [PlyCount "110"] [EventDate "2020.12.19"] [EventType "tourn"] [EventCountry "CHN"] [SourceTitle "playchess.com"] [Source "ChessBase"] [SourceQuality "1"] {[%evp 11,110,45,33,3,5,0,0,0,8,-12,-25,-50,-50,-50,-50,-50,-45,-42,-34,-34, -19,-37,-41,-46,-41,-50,-37,-54,-53,-53,-53,-55,-58,-70,-65,-83,-83,-83,-77, -83,-82,-82,-82,-85,-87,-87,-81,-86,-80,-80,-77,-88,-76,-83,-84,-83,-72,-83, -43,-45,-38,-38,-34,-44,-54,-207,-214,-220,-228,-225,-211,-516,-516,-514,-501, -516,-516,-508,-487,-453,-413,-920,-801,-4124,-3721,-3029,-2445,-29970,-29968, -29975,-29973,-29971,-29962,-29984,-29985,-29985,-29986,-29986,-29987,-29988, -29989]} 1. e4 Nf6 2. e5 Nd5 3. d4 d6 4. Nf3 g6 5. Bc4 Nb6 6. Bb3 Bg7 7. Bf4 { 7.Qe2 is the modern continuation. B04: Alekhine's Defence: 4 Nf3.} Nc6 8. O-O O-O 9. c3 {The position is equal.} Bg4 10. h3 (10. exd6 {seems wilder.} exd6 11. h3 Qf6 12. hxg4 Qxf4 13. g5) 10... dxe5 {White must now prevent ...Bxf3.} 11. dxe5 Qxd1 12. Bxd1 {[#]} Bxf3 $146 ({Predecessor:} 12... Bf5 13. Na3 Nd7 14. Re1 Nc5 15. g4 Nd3 16. gxf5 Nxf4 17. Re4 Nd3 18. e6 fxe6 19. fxg6 Nxb2 20. gxh7+ {0-1 (38) Szell,L (2365)-Fahrner,K Berlin West 1987}) 13. Bxf3 Nc4 14. Na3 N4xe5 ({Much weaker is} 14... Bxe5 $6 15. Bh6 $14) 15. Bxc6 bxc6 16. Bxe5 Bxe5 17. Nc4 Bd6 18. b4 Rfb8 19. Rfe1 Kf8 20. Rad1 Rb5 21. g3 Rd5 22. Kg2 Ke8 23. Na5 Rxd1 24. Rxd1 $17 {[%mdl 4096] Endgame [#] KRB-KRN} c5 $1 25. Nc6 Kd7 26. Ne5+ Ke6 27. Nc6 cxb4 28. cxb4 f6 29. a3 Kd7 30. Rc1 e5 31. Kf3 f5 32. Rc3 Ke6 33. Ke2 Kd5 34. Na5 Rb8 35. Rd3+ $1 Ke6 36. Nc6 Rb6 37. Nxa7 Kd7 {And now . ..Rb7 would win.} 38. b5 $2 {[#] Now White is beyond hope.} ({White must play} 38. Rc3 $1 $15) 38... Rb7 $1 $19 {[%CAl Rb7a7]} 39. Nc6 {Threatens to win with Nxe5+.} Rxb5 40. Nb4 e4 41. Rd5 (41. Rd2 {is tougher.}) 41... Rxd5 42. Nxd5 Bxa3 {KB-KN} 43. f3 exf3+ 44. Kxf3 Bd6 45. g4 Ke6 46. Ne3 (46. Nc3 $142) 46... f4 47. Nc2 Kd5 48. h4 c5 49. h5 c4 {Black mates.} 50. hxg6 hxg6 51. Ne1 Kd4 52. Nc2+ Kd3 53. Ne1+ Kd2 54. Kf2 c3 55. Nf3+ Kd1 {Weighted Error Value: White=0. 60/Black=0.03} 0-1 [Event "Chinese-ch Men 2020"] [Site "Xinghua"] [Date "2020.12.30"] [Round "11.5"] [White "Ju, Wenjun"] [Black "Bai, Jinshi"] [Result "1/2-1/2"] [ECO "D13"] [WhiteElo "2560"] [BlackElo "2618"] [Annotator "TA"] [PlyCount "55"] [EventDate "2020.12.19"] [EventType "tourn"] [EventCountry "CHN"] [SourceTitle "playchess.com"] [Source "ChessBase"] [SourceQuality "1"] {[%evp 22,55,16,23,31,6,14,0,3,0,7,5,11,8,8,0,7,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, 0,0,0,0]} 1. d4 d5 2. c4 c6 3. cxd5 cxd5 4. Nc3 Nf6 5. Bf4 e6 6. e3 Bd6 7. Bxd6 Qxd6 8. Bd3 O-O 9. Nf3 Nc6 10. O-O Bd7 11. Rc1 Rac8 12. a3 a6 {D13: Slav Defence: Exchange variation without ...Bf5.} 13. h3 Rc7 {[#] The position is equal.} 14. e4 $146 ({Predecessor:} 14. Qe2 Rfc8 15. Rc2 h6 16. Rfc1 Na5 17. e4 dxe4 18. Nxe4 Nxe4 19. Qxe4 f5 20. Qe1 Rxc2 21. Rxc2 Rxc2 22. Bxc2 {1/2-1/2 (35) Belov,V (2619)-Matlakov,M (2600) Dagomys 2010}) 14... dxe4 15. Nxe4 Nxe4 16. Bxe4 h6 17. d5 exd5 18. Bxd5 Be6 19. Bxc6 Rxc6 20. Rxc6 Qxc6 21. Nd4 Qb6 { [#] ...Rd8 is the strong threat.} 22. Nxe6 Qxe6 $11 {[%mdl 4096] Endgame KQR-KQR} 23. Re1 Qb6 24. Qc2 Qd6 25. Qd1 Qb6 26. Qc2 Qd6 27. Qd1 Qb6 28. Qc2 { A rather calm draw. Weighted Error Value: White=0.04/Black=0.01} 1/2-1/2 [Event "Chinese-ch Men 2020"] [Site "Xinghua"] [Date "2020.12.30"] [Round "11.6"] [White "Huang, Renjie"] [Black "Lin, Yi"] [Result "1/2-1/2"] [ECO "C67"] [WhiteElo "2422"] [BlackElo "2408"] [Annotator "TA"] [PlyCount "81"] [EventDate "2020.12.19"] [EventType "tourn"] [EventCountry "CHN"] [SourceTitle "playchess.com"] [Source "ChessBase"] [SourceQuality "1"] {[%evp 18,60,14,21,19,23,24,22,22,14,12,8,6,7,7,7,7,6,7,8,8,0,0,0,18,4,4,0,0,0, 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0]} 1. e4 e5 2. Nf3 Nc6 3. Bb5 Nf6 4. O-O Nxe4 5. Re1 Nd6 6. Nxe5 Be7 7. Bf1 Nxe5 8. Rxe5 O-O 9. d4 Bf6 10. Re1 Re8 $1 {10...Re8 is better than 10...Nf5. C67: Ruy Lopez: Berlin Defence: 4 0-0 Nxe4.} 11. Bf4 Rxe1 12. Qxe1 Ne8 {The position is equal.} 13. c3 d5 14. Bd3 g6 15. Nd2 { [%CAl Bb1d2,Bd2f3,Bf3e5][%mdl 32]} Ng7 16. Qe2 c6 17. Re1 Bf5 18. Bxf5 Nxf5 19. Nf3 Ng7 20. Be5 Ne6 21. Bxf6 Qxf6 22. Ne5 Re8 23. Ng4 Qd8 24. Qe5 {Black must now prevent Nf6+.} Ng7 25. Qxe8+ {[%mdl 64] [#] Decoy} ({Not} 25. Nh6+ $2 Kf8 $19) 25... Nxe8 26. Rxe8+ {[%mdl 64] Remove Defender} Qxe8 {[%CAl Re8e1]} 27. Nf6+ {[%mdl 64] Double Attack} Kf8 {[%CAl Re8e1]} 28. Nxe8 Kxe8 29. Kf1 Ke7 30. Ke2 Ke6 {[#] A rather calm draw. Weighted Error Value: White=0.02/Black=0.01 Predecessor:} 31. Ke3 $146 f5 32. f4 Kd6 33. h4 h5 34. Kd3 b5 35. b4 a6 36. a3 Ke6 37. g3 Kd7 38. Ke3 Ke6 39. Kd3 Kd7 40. Ke3 Ke6 41. Kd3 {1/2-1/2 (41) Wei,Y (2732)-Wang,H (2763) Chess.com INT 2020} 1/2-1/2 [Event "Chinese-ch Women 2020"] [Site "Xinghua"] [Date "2020.12.19"] [Round "1.1"] [White "Ni, Shiqun"] [Black "Guo, Qi"] [Result "1/2-1/2"] [ECO "C01"] [WhiteElo "2389"] [BlackElo "2418"] [Annotator "TA"] [PlyCount "60"] [EventDate "2020.12.19"] [EventType "tourn"] [EventCountry "CHN"] [SourceTitle "playchess.com"] [Source "ChessBase"] [SourceQuality "1"] {[%evp 10,60,11,2,25,15,25,25,20,12,38,30,24,1,30,29,42,41,34,27,43,39,38,38, 45,42,41,38,36,41,44,41,35,39,35,30,43,32,32,0,39,0,4,0,5,0,0,0,19,11,8,-6,0]} 1. e4 e6 2. d4 d5 3. exd5 exd5 4. Nf3 Nf6 5. Bd3 Bd6 6. Qe2+ Be7 {6...Be6 gains popularity. C01: French: Exchange Variation.} 7. O-O O-O 8. Re1 Bd6 { White has an edge.} 9. Bg5 Bg4 (9... h6 $5 {[%CAl Rh6g5]} 10. Bxf6 Qxf6 $11) 10. Nbd2 Nbd7 11. Qf1 {[#]} Bxf3 $146 ({Predecessor:} 11... c6 12. Ne5 Qb6 13. c3 Rfe8 14. Nxg4 Nxg4 15. Bf5 Ngf6 16. Qd3 Qc7 17. Qh3 Rxe1+ 18. Rxe1 {1/2-1/2 (30) Fernandes,J (2044)-Lopez Gonzalez,A (2219) Guimaraes 2019}) 12. Nxf3 c6 13. Re2 h6 14. Bd2 Qc7 15. g3 Rae8 16. Rae1 Rxe2 17. Rxe2 Re8 18. Rxe8+ Nxe8 19. Qe2 Ndf6 20. b3 (20. Kg2 {seems wilder.} Qd8 21. b3 Nc7 22. c4 Qe7 23. c5) 20... Qe7 21. Qxe7 Bxe7 22. Kf1 Nd6 23. Bb4 Kf8 24. Ne5 Nde4 (24... Nb5 $5 { [%CAl Re7b4]} 25. Bxe7+ Kxe7 $11) 25. Bxe7+ (25. Be1 {keeps more tension.} Bd6 26. f3 Ng5 27. Bc3 Ke7 28. Bb2) 25... Kxe7 $14 {KBN-KNN. The position is equal. } 26. f3 Nd6 27. Ke2 Nd7 28. Ke3 a5 29. a3 Nf8 30. a4 f6 {Weighted Error Value: White=0.08/Black=0.08} 1/2-1/2 [Event "Chinese-ch Women 2020"] [Site "Xinghua"] [Date "2020.12.19"] [Round "1.2"] [White "Zhai, Mo"] [Black "Song, Yuxin"] [Result "1/2-1/2"] [ECO "D36"] [WhiteElo "2366"] [BlackElo "2290"] [Annotator "TA"] [PlyCount "73"] [EventDate "2020.12.19"] [EventType "tourn"] [EventCountry "CHN"] [SourceTitle "playchess.com"] [Source "ChessBase"] [SourceQuality "1"] {[%evp 20,73,28,16,37,16,9,10,8,16,14,8,30,0,33,0,0,-25,0,0,46,23,43,0,0,-44, -30,-67,-20,-22,-33,-72,-57,-147,-150,-141,-140,-140,-140,-143,-136,-136,-143, -165,-159,-202,-133,-115,0,0,0,-119,-27,-37,0,-109]} 1. c4 e6 2. Nc3 d5 3. d4 Nf6 4. cxd5 exd5 5. Bg5 c6 6. e3 Be7 7. Qc2 Nbd7 8. Bd3 Nh5 9. Bxe7 Qxe7 10. Nge2 Nb6 11. O-O g6 {D36: Queen's Gambit Declined: Exchange Variation: Main line (5 Bg5 c6 6 Qc2).} 12. Rae1 O-O 13. Nc1 Ng7 14. f3 Be6 15. Nb3 Nd7 {[#]} 16. e4 $146 ({Predecessor:} 16. Qf2 c5 17. Nxc5 Nxc5 18. dxc5 Qxc5 19. Rc1 Rac8 20. Ne2 Qa5 21. Nd4 Rxc1 22. Rxc1 Qxa2 {1/2-1/2 (29) Borsuk,K (2431) -Vashchilov,S (2176) chess.com INT 2020}) 16... Rac8 17. Qf2 Qb4 18. Qe3 Rfe8 19. Bc2 a6 20. Qf4 Nh5 21. Qh4 dxe4 22. Rxe4 Nhf6 23. Ree1 Bc4 (23... Bxb3 $5 24. Bxb3 Kg7 $11) 24. Rxe8+ Rxe8 25. Rd1 Nd5 $36 {[%mdl 2048] Black has the initiative.} 26. Re1 (26. Ne4 $1 $15) 26... Rxe1+ $17 27. Qxe1 Bxb3 {[%mdl 64] [#] Discovered Attack} 28. Bxb3 Qxd4+ 29. Kh1 Nc5 30. Bxd5 cxd5 31. Qe7 Nd3 { [#] ( -> ...Nf2+)} 32. h3 Nxb2 33. Ne2 Qa4 (33... Qd1+ $17 34. Kh2 Nd3) 34. Nc3 $1 $11 {[%CAl Rc3a4]} Qd4 (34... Qc4 $11 35. Qe8+ (35. Qd8+ Kg7 $17) 35... Kg7 36. Qe5+ Kh6 37. Qe3+ Kg7 38. Qe5+ Kh6 39. Qe3+ Kg7 40. Qe5+) 35. Ne2 $1 $17 { [%CAl Re2d4]} Qb6 (35... Qd1+ $17 36. Kh2 Nd3) 36. Nf4 $1 $11 Qd4 (36... Kg7 $15 37. Nxd5 Qe6 38. Qxb7 Nc4) 37. Ne2 {Weighted Error Value: White=0.14/ Black=0.24} 1/2-1/2 [Event "Chinese-ch Women 2020"] [Site "Xinghua"] [Date "2020.12.19"] [Round "1.4"] [White "Yan, Tianqi"] [Black "Tan, Zhongyi"] [Result "1-0"] [ECO "B83"] [WhiteElo "2207"] [BlackElo "2510"] [Annotator "TA"] [PlyCount "103"] [EventDate "2020.12.19"] [EventType "tourn"] [EventCountry "CHN"] [SourceTitle "playchess.com"] [Source "ChessBase"] [SourceQuality "1"] {[%evp 13,103,20,29,-3,10,12,10,2,22,16,31,14,47,45,57,25,68,60,64,61,64,52,83, 39,59,40,34,30,32,15,36,15,5,4,70,21,58,38,62,55,54,-36,46,47,35,54,50,40,122, 115,109,118,133,147,185,192,268,261,263,275,260,261,333,314,418,416,409,402, 391,386,479,455,433,403,454,454,423,430,666,653,708,700,1515,1323,29973,29961, 5466,5455,29979,29979,5073,5073]} 1. Nf3 c5 2. e4 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 e6 6. Be2 Be7 7. O-O O-O 8. Kh1 {B83: Sicilian Scheveningen: 6 Be2, lines without ...a6.} e5 9. Nb3 {[#]} b6 $146 ({Predecessor:} 9... Qc7 10. a4 Be6 11. Be3 Nbd7 12. f4 Rac8 13. Rc1 Rfd8 14. f5 Bc4 15. g4 d5 16. Bxc4 Qxc4 {0-1 (25) Veys,V (2201)-Zhigalko,A (2600) Lille 2014}) 10. Bg5 {[#] Hoping for Bxf6.The position is equal.} Nbd7 11. f3 Bb7 12. a4 a6 13. Be3 Rc8 14. Rf2 Qc7 15. Bf1 h6 16. Rd2 Rfe8 17. Nc1 Rcd8 18. N1e2 h5 19. Ng3 g6 20. Bg5 Kg7 21. Qe1 Rh8 22. Rad1 h4 23. Nge2 Nf8 (23... h3 $11) 24. Nc1 (24. Bxh4 $2 {[#]} Rxh4 $1 { [%mdl 512]} 25. Qxh4 Nxe4 $19) 24... Ne6 25. Be3 $1 Nh5 26. Qf2 Nc5 27. b4 (27. Nd3 $14) 27... Nd7 (27... Ng3+ $1 $15 28. Kg1 Nxf1 29. Qxf1 Nd7) 28. Bxa6 $1 $14 {aiming for Nb5.} Qxc3 ({Avoid the trap} 28... Bxa6 $2 29. Nd5 $18) (28... Ng3+ $6 29. Kg1 $18) 29. Bxb7 Qxb4 30. Bc6 {Strongly threatening Nd3.} Qc4 { White stays focused until the end.} (30... Nc5 $14) 31. Bb5 $16 Qc8 32. Nd3 ({ But not} 32. Bxb6 Nxb6 33. Qxb6 d5 $15) 32... Nc5 33. Nb4 Ng3+ 34. Kg1 Ngxe4 ( 34... Nh5 $142 35. Nc6 {[%mdl 64] Double Attack} Qc7 36. Nxd8 Rxd8) 35. fxe4 $18 Nxe4 36. Qf3 Nxd2 37. Rxd2 Qe6 38. Qd5 ({Don't do} 38. Bxb6 $6 Rb8 $18) 38... Rc8 39. Qxe6 fxe6 40. Nc6 Bf8 41. Bxb6 Rh5 42. a5 {[%CAl Ba4a5,Ba5a6, Ba6a7][%mdl 32]} e4 43. c4 d5 44. cxd5 exd5 45. a6 Kh7 (45... d4 $142 46. Bxd4+ Kh7) 46. a7 d4 47. Ba6 Re8 48. Rxd4 Bc5 49. Bxc5 Rxc5 50. Rd8 Rc1+ 51. Kf2 e3+ 52. Kf3 {Weighted Error Value: White=0.11/Black=0.58} 1-0 [Event "Chinese-ch Women 2020"] [Site "Xinghua"] [Date "2020.12.19"] [Round "1.5"] [White "Hu, Yu A."] [Black "Gu, Xiaobing"] [Result "1-0"] [ECO "B90"] [WhiteElo "2094"] [BlackElo "2263"] [Annotator "TA"] [PlyCount "77"] [EventDate "2020.12.19"] [EventType "tourn"] [EventCountry "CHN"] [SourceTitle "playchess.com"] [Source "ChessBase"] [SourceQuality "1"] {[%evp 19,77,26,34,31,33,41,37,24,52,66,40,49,80,55,76,74,96,78,98,73,68,74,91, 80,103,105,106,103,119,110,105,87,137,140,139,146,147,142,260,249,285,250,335, 285,291,291,227,0,0,0,0,0,1942,842,1004,1002,987,912,29998,29999]} 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Be3 e5 7. Nb3 Be6 8. f3 Nbd7 9. g4 Be7 10. Qd2 Rc8 11. g5 {B90: Sicilian Najdorf: Unusual White 6th moves, 6 Be3 Ng4 and 6 Be3 e5.} Nh5 12. O-O-O b5 13. Kb1 {White is slightly better.} O-O 14. Nd5 Bxd5 15. exd5 f5 16. gxf6 Rxf6 17. Na5 Nf4 ({Don't go for} 17... Rxf3 $2 18. Nc6 $16) 18. Nc6 Qe8 19. c4 {[#]} bxc4 $146 ({Predecessor:} 19... Bd8 20. Nxd8 Qxd8 21. cxb5 axb5 22. Bxb5 Nb6 23. Qa5 {1-0 (23) Popvasilev,K (2080) -Reddmann,H (2275) Hamburg 2018}) 20. Bxc4 Nb8 21. Rc1 Nxc6 22. dxc6+ Kh8 23. Bxf4 Rxf4 {[#]} 24. Bd5 $1 Bd8 25. Be4 Rf6 26. Qd3 a5 27. Rc3 {[%CAl Bc1c3, Bc3b3,Bb3b7][%mdl 32]} Bb6 28. Rb3 Bd4 (28... Qd8 $16 29. Rb5 Qc7) 29. Rb7 $18 Qe6 30. Qb5 ({Worse is} 30. Bxh7 d5 $15) 30... Rff8 31. Qd5 Qh3 32. Qxd6 Rxf3 { Threatens to win with ...Rf1+.} 33. Bxf3 $2 $40 {[%mdl 128] Black needs to defend precisely.} ({White should try} 33. Ka1 $18 Rf2 34. c7) 33... Qxf3 $11 { [%mdl 64] [#] Double Attack} 34. Rc1 {Black must now prevent Rb8.} Qd3+ 35. Rc2 {Hoping for Rb8.} e4 $2 {[%mdl 8192]} (35... Qd1+ $11 36. Rc1 Qd3+ 37. Rc2 Qf1+ 38. Rc1 Qd3+) 36. Rd7 (36. Rb8 $142 Qd1+ 37. Rc1 Qd3+ 38. Ka1) 36... Qd1+ 37. Rc1 {White threatens Rd8+ and mate.} Qd3+ 38. Ka1 {Rd8+ would kill now.} Qd2 39. Rd8+ {[%mdl 64] Back Rank. Weighted Error Value: White=0.19/Black=0.55} 1-0 [Event "Chinese-ch Women 2020"] [Site "Xinghua"] [Date "2020.12.19"] [Round "1.6"] [White "Li, Xueyi"] [Black "Ning, Kaiyu"] [Result "0-1"] [ECO "D11"] [WhiteElo "2328"] [BlackElo "2327"] [Annotator "TA"] [PlyCount "66"] [EventDate "2020.12.19"] [EventType "tourn"] [EventCountry "CHN"] [SourceTitle "playchess.com"] [Source "ChessBase"] [SourceQuality "1"] {[%evp 13,66,0,8,8,-1,-8,-5,-17,-14,-21,-11,-31,-27,-27,-18,-18,-5,-19,-22,-23, -24,-65,-20,-36,-5,-28,-29,-33,-38,-58,-68,-66,-56,-103,-99,-445,-440,-591, -587,-580,-580,-668,-666,-677,-627,-716,-696,-829,-785,-840,-827,-1072,-1058, -1196,-1543]} 1. d4 d5 2. Nf3 Nf6 3. g3 Bf5 4. Bg2 c6 5. O-O h6 6. c4 e6 7. Nc3 Be7 8. a3 {D11: Slav Defence: 3 Nf3 sidelines and 3...Nf6 4 e3 Bg4.} Nbd7 9. Nd2 O-O {[#]} 10. b3 $146 {[#]The position is equal.} ({Predecessor:} 10. Re1 c5 11. e3 dxc4 12. Nxc4 Rb8 13. a4 Nb6 14. Nxb6 Qxb6 15. a5 Qa6 16. e4 { 1/2-1/2 (48) Young,A (2330)-Kekelidze,M (2509) Wheeling 2013}) 10... b5 $1 { [%mdl 512]} 11. e4 (11. cxb5 cxb5) 11... dxe4 12. Ndxe4 bxc4 13. bxc4 {[%CAl Bb3c4,Bc4c5][%mdl 32]} Nb6 14. c5 $1 {[%CAl Rc5b6]} Nbd5 15. Bd2 Rb8 16. Re1 Qd7 17. Qc1 Rb3 18. Nxd5 Nxd5 19. Qc4 Rb7 20. Rac1 Rfb8 21. Qa6 Rb2 {And now .. .Bxe4 would win.} 22. Rcd1 Bg4 23. f3 Bf5 24. Nc3 $2 {[%mdl 8192] [#] Now White is beyond hope.} (24. Bc1 $17 {is tougher.} R2b3 25. Qc4) 24... Rxd2 $1 $19 {[%mdl 512] Black is clearly winning.} 25. Nxd5 {[#]} (25. Rxd2 Nxc3) 25... Rxg2+ $1 {[%mdl 512]} 26. Kxg2 {Strongly threatening Qxc6!} Qxd5 27. Qe2 Rb3 28. Qf2 Rxa3 29. Re5 Qc4 30. Rd2 Bf6 31. Re3 Bxd4 32. Rxd4 Qxd4 33. Rxa3 {[#]} Bh3+ $1 {[%mdl 512] Weighted Error Value: White=0.68/Black=0.05} 0-1 [Event "Chinese-ch Women 2020"] [Site "Xinghua"] [Date "2020.12.20"] [Round "2.1"] [White "Guo, Qi"] [Black "Ning, Kaiyu"] [Result "1/2-1/2"] [ECO "D41"] [WhiteElo "2418"] [BlackElo "2327"] [Annotator "TA"] [PlyCount "65"] [EventDate "2020.12.19"] [EventType "tourn"] [EventCountry "CHN"] [SourceTitle "playchess.com"] [Source "ChessBase"] [SourceQuality "1"] {[%evp 21,65,1,23,17,23,25,27,31,31,18,31,12,26,25,44,13,15,7,18,12,13,0,0,0,0, 0,0,0,0,0,0,0,13,15,22,6,14,0,6,0,0,0,0,0,0,0]} 1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. cxd5 Nxd5 5. e4 Nxc3 6. bxc3 c5 7. Nf3 cxd4 8. cxd4 Bb4+ 9. Bd2 Bxd2+ 10. Qxd2 O-O 11. Bc4 Nd7 12. O-O {D41: Queen's Gambit Declined: Semi-Tarrasch with 5 cxd5.} b6 13. a4 Bb7 14. Bd3 {White has an edge.} Nf6 15. Rfe1 h6 16. a5 bxa5 17. Rxa5 Qc7 18. Rc5 Qe7 {The position is equal.} 19. Qa5 Rfc8 20. Rxc8+ Rxc8 { [#]} 21. h3 $146 ({Predecessor:} 21. Qxa7 Qb4 22. Qa1 Rc3 23. Qb1 Qxb1 24. Bxb1 Rb3 25. h3 {1/2-1/2 (33) Gozzoli,Y (2596)-Gharamian,T (2614) Nimes 2018}) 21... Qc7 22. Qxc7 Rxc7 23. Ne5 Nd7 24. Ra1 Nxe5 25. dxe5 $11 {[%mdl 4096] Endgame KRB-KRB} a6 26. f3 Rc5 27. Rb1 Rc3 28. Bf1 Rc7 29. Ra1 g5 30. Bxa6 Bxa6 31. Rxa6 Rc5 32. Kf2 Rxe5 33. Kg3 {Weighted Error Value: White=0.06/Black=0.03} 1/2-1/2 [Event "Chinese-ch Women 2020"] [Site "Xinghua"] [Date "2020.12.20"] [Round "2.2"] [White "Gu, Xiaobing"] [Black "Li, Xueyi"] [Result "1-0"] [ECO "B13"] [WhiteElo "2263"] [BlackElo "2328"] [Annotator "TA"] [PlyCount "77"] [EventDate "2020.12.19"] [EventType "tourn"] [EventCountry "CHN"] [SourceTitle "playchess.com"] [Source "ChessBase"] [SourceQuality "1"] {[%evp 13,77,0,0,0,0,0,0,0,0,0,17,12,45,32,40,37,31,26,41,29,52,43,43,52,48,70, 34,22,77,77,77,75,99,27,74,39,172,55,17,14,155,158,381,314,648,645,613,633,890, 892,810,784,749,697,991,1000,900,775,1175,1102,29981,29982,29992,29993,29993, 1437]} 1. e4 c6 2. d4 d5 3. exd5 cxd5 4. c4 Nf6 5. Nc3 Nc6 6. Bg5 Be6 7. Bxf6 exf6 8. c5 {B13: Caro-Kann: Exchange Variation and Panov-Botvinnik Attack.} g6 9. Bb5 Bg7 10. Nge2 {The position is equal.} O-O 11. O-O Qc7 12. Rb1 Ne7 {[#]} 13. Bd3 $146 ({Predecessor:} 13. Qd2 g5 14. f4 g4 15. f5 Nxf5 16. Nf4 Bh6 17. Ncxd5 Qd8 18. Qd3 Nh4 19. Nh5 {1-0 (34) Chow,M-Hill,R (2225) Melbourne 1998}) 13... a6 14. b4 f5 15. Qd2 Nc6 16. Bc2 Qd8 17. a4 Qf6 {[%CAl Rc6d4]} 18. Rfd1 f4 19. Nxf4 Nxd4 20. Nfxd5 Bxd5 (20... Qh4 $11 {remains equal.}) 21. Nxd5 $16 Qe5 22. Bb3 Rad8 {[#]} 23. Qa2 ({White should try} 23. Qe3 $1 $16) 23... Rfe8 { Black wants to play ...Ne2+.} 24. Ne3 {[%CAl Bd5e3,Be3g4,Bg4e5][%mdl 32]} Qf4 ( 24... Re7 $14) 25. Re1 ({Better is} 25. Bd5 $18) 25... Re5 $14 26. Bd5 Rh5 ( 26... Rexd5 $1 $11 {keeps the balance.} 27. Nxd5 Qg5) 27. g3 $16 Qh6 $2 (27... Nf3+ $16 {might work better.} 28. Bxf3 Qxf3) 28. Bxb7 $18 Kh8 $2 (28... a5 29. h4 Bf8) 29. Ng4 Qg5 30. Qxf7 {[#] Re8+ would kill now.} h6 31. Re7 {[%csl Ge7] [%CAl Rf7g7]} Rg8 32. Rbe1 {Threatening mate with Re8.} Qf5 33. Qxf5 gxf5 34. Ne5 Bf6 35. Rd7 Nc2 36. Nf7+ Kg7 37. Re6 {White mates.} Nxb4 38. Ng5+ Kg6 39. Nf3 {Weighted Error Value: White=0.18/Black=0.55} (39. Nh7 $142 Nd5 40. Bxd5 Rh4 41. Rxf6+ {[%mdl 64] Discovered Attack} Kh5 42. Bf3+ Rhg4 43. Rdd6 R8g6 44. Rxg6 {[%mdl 64] Pin} f4 45. Bxg4#) 1-0 [Event "Chinese-ch Women 2020"] [Site "Xinghua"] [Date "2020.12.20"] [Round "2.3"] [White "Tan, Zhongyi"] [Black "Hu, Yu A."] [Result "1-0"] [ECO "D36"] [WhiteElo "2510"] [BlackElo "2094"] [Annotator "TA"] [PlyCount "55"] [EventDate "2020.12.19"] [EventType "tourn"] [EventCountry "CHN"] [SourceTitle "playchess.com"] [Source "ChessBase"] [SourceQuality "1"] {[%evp 21,55,10,18,0,6,13,14,8,5,-2,-4,0,15,-6,0,0,0,0,14,0,25,33,98,100,104, 120,114,104,105,82,331,328,528,519,865,850]} 1. c4 e6 2. Nc3 d5 3. d4 Nf6 4. cxd5 exd5 5. Bg5 Be7 6. e3 c6 7. Qc2 Nbd7 8. Bd3 Nh5 9. Bxe7 Qxe7 10. Nge2 g6 11. O-O-O Nb6 12. Ng3 {D36: Queen's Gambit Declined: Exchange Variation: Main line (5 Bg5 c6 6 Qc2).} Nf6 13. Kb1 Be6 14. f3 {The position is equal.} O-O-O 15. Rhe1 {[#]} h5 $146 ({Predecessor:} 15... Kb8 16. Na4 Nxa4 17. Qxa4 Nd7 18. Rc1 Rc8 19. e4 Nb6 20. Qa5 Rhd8 21. Ne2 Qh4 {0-1 (28) Dobos,J (2311)-Szabo,Z (2369) Hungary 2002}) 16. Nge2 Kb8 17. Nc1 h4 18. h3 Nh5 19. Nb3 Ng3 20. a4 { [%CAl Ba2a4,Ba4a5,Ba5b6][%mdl 32]} Bf5 21. e4 dxe4 (21... Be6 $1 $14) 22. fxe4 $16 Be6 {[#]} 23. a5 $1 {[%CAl Ra5b6]} Qb4 24. d5 $1 $36 {[%CAl Rd5e6][%mdl 2048] White is on the roll.} cxd5 {[#]} 25. Na2 $1 {[%CAl Ra2b4]} ({Not} 25. axb6 dxe4 26. bxa7+ Ka8 $17) 25... Qa4 $2 (25... Qe7 $16) 26. axb6 $18 Rc8 $2 ( 26... axb6 27. Nc3 Qb4) 27. Nc3 Rxc3 (27... Qb4 $142 28. bxa7+ Kxa7 29. exd5 Bd7) 28. Qxc3 {Weighted Error Value: White=0.04/Black=0.37} 1-0 [Event "Chinese-ch Women 2020"] [Site "Xinghua"] [Date "2020.12.20"] [Round "2.4"] [White "Xiao, Yiyi"] [Black "Yan, Tianqi"] [Result "1/2-1/2"] [ECO "E04"] [WhiteElo "2301"] [BlackElo "2207"] [Annotator "TA"] [PlyCount "180"] [EventDate "2020.12.19"] [EventType "tourn"] [EventCountry "CHN"] [SourceTitle "playchess.com"] [Source "ChessBase"] [SourceQuality "1"] {[%evp 17,180,30,18,21,31,29,29,22,22,26,20,32,27,33,20,26,26,17,17,17,22,17, 13,12,12,8,13,11,23,8,7,0,66,68,104,83,92,89,89,46,54,51,51,59,79,83,80,78,89, 30,51,10,10,8,185,187,201,174,185,189,179,103,92,68,93,91,486,484,458,420,383, 209,189,139,167,164,159,112,283,281,855,433,1306,870,1117,1009,6057,295,247, 284,301,250,244,228,131,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, 0,0,0,0]} 1. d4 Nf6 2. c4 e6 3. g3 d5 4. Bg2 dxc4 5. Nf3 Nc6 6. Qa4 Bb4+ 7. Bd2 Nd5 8. Bxb4 Ndxb4 9. O-O Rb8 10. Na3 {E04: Open Catalan: 5 Nf3.} O-O 11. Qb5 b6 12. Qxc4 {White has an edge.} Ba6 13. Nb5 Qd5 14. Qxd5 Nxd5 15. a4 Na5 16. Ne5 Rbd8 $1 17. Nxa7 Nb4 18. Rac1 Rxd4 19. Nb5 Bxb5 20. axb5 f6 21. e3 Rdd8 22. Nf3 {aiming for Nd4.} Rf7 23. Nd4 Re7 24. Ra1 {[#] Black must now prevent Ra4.} Rd6 $146 (24... e5 $1 $11 25. Nf5 Red7) ({Predecessor:} 24... e5 25. Nf5 Red7 26. Ra4 c5 27. bxc6 Naxc6 28. g4 g6 29. Ng3 Kf7 30. h4 Rd2 {1-0 (79) Bosiocic,M (2611)-Sanikidze,T (2501) Batumi 2018}) 25. Ra4 $14 Nd3 26. b4 $36 {[%mdl 2048] White is on the roll.} Nc4 27. Be4 Nde5 {With the idea ...Nd2.} 28. Ra8+ Kf7 { Threatening ...Nd2.} 29. Bxh7 Nd2 30. Rc1 Ndf3+ 31. Nxf3 Nxf3+ 32. Kg2 Ne5 33. Bb1 (33. Bg8+ $1 $16 Kg6 34. Rc8) 33... Rd5 34. Ra7 Rxb5 35. Rcxc7 Rxc7 $2 ( 35... Nc6 $1 $11 36. Rxe7+ Nxe7) 36. Rxc7+ $11 {[%mdl 4096] Endgame KRB-KRN} Kf8 37. Ba2 Rxb4 38. Bxe6 Rb2 39. Bf5 ({White should play} 39. h4 $18) 39... b5 40. g4 g6 41. Be6 Nd3 $2 {[%mdl 8192]} (41... Rd2 $16 {is a better chance.}) 42. Rf7+ $18 {[%mdl 64] Double Attack} Ke8 43. Rxf6 Ke7 44. Rxg6 (44. g5 $142) 44... Rxf2+ 45. Kg3 {Threatens to win with Bf5.} Re2 46. Bf5 $1 {And now Re6+ would win.} Rxe3+ {[#]} 47. Kh4 $1 Nf4 $2 (47... Ne5 $16 48. Rh6 b4) 48. Rb6 Rh3+ (48... Re5 {is a better defense.} 49. Kg3 Ne2+ 50. Kf2 Nd4) 49. Kg5 Ng2 ( 49... Nd5 $142 50. Rxb5 Kd6) 50. Rb7+ Kd6 51. Rxb5 Nh4 52. Rb2 $2 (52. Be4 Rxh2 53. Kf4) 52... Nf3+ 53. Kf4 Nxh2 {[#]} 54. g5 $1 Rh4+ 55. Kg3 {[%mdl 64] Double Attack} Rh5 56. Rxh2 (56. Rb6+ $16 Kc5 57. Rg6 Nf1+ 58. Kf4 Rh4+ 59. Ke5 ) 56... Rxg5+ $16 {KRB-KR. The position is equal.} 57. Kf4 Rg1 58. Rd2+ Kc5 59. Ke5 Re1+ 60. Be4 Rc1 61. Rd8 {Cut Off at move 61} Rc3 62. Rd7 Rc4 63. Bd3 { Threatening mate with Rc7+.} Rc3 64. Rd8 Kb6 65. Kd4 Rc6 66. Be4 Kc7 67. Rh8 Re6 68. Bd5 Rd6 69. Kc5 Rc6+ 70. Kd4 (70. Kb4 {seems wilder.} Rc1 71. Rh6 Kc8 72. Be4 Re1 73. Bf5+) 70... Rd6 71. Ra8 Rb6 72. Ra7+ Kd6 73. Rh7 Rb4+ 74. Bc4 Rb6 75. Rh5 Rc6 76. Rg5 Rb6 77. Bb5 Ke7 78. Kc5 Re6 79. Bd3 Rf6 80. Bf5 Rh6 81. Be4 Re6 82. Kd4 Kd6 83. Ra5 Rf6 84. Bf5 Kc7 85. Ke5 Kb6 86. Ra1 Rc6 87. Bd7 Rc7 88. Rd1 Kc5 89. Rd5+ Kc4 90. Be6 {White wants to mate with Rd7+.} Rc5 {White really could win this. Weighted Error Value: White=0.33/Black=0.29} 1/2-1/2 [Event "Chinese-ch Women 2020"] [Site "Xinghua"] [Date "2020.12.20"] [Round "2.5"] [White "Song, Yuxin"] [Black "Yuan, Ye"] [Result "1-0"] [ECO "B41"] [WhiteElo "2290"] [BlackElo "2081"] [Annotator "TA"] [PlyCount "39"] [EventDate "2020.12.19"] [EventType "tourn"] [EventCountry "CHN"] [SourceTitle "playchess.com"] [Source "ChessBase"] [SourceQuality "1"] {[%evp 14,39,45,47,57,48,46,45,45,45,55,55,56,51,64,40,50,42,58,-15,79,77,63, 74,67,79,80,51]} 1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 a6 5. c4 Nf6 6. Nc3 Qc7 7. Be2 Bb4 8. Nc2 Be7 {B41: Sicilian: Kan Variation: 5 c4.} 9. O-O O-O 10. Be3 d6 {White is slightly better.} 11. Rc1 b6 {[#]} 12. f3 $146 ({Predecessor:} 12. Nd4 Bb7 13. f3 {1/2-1/2 (13) Khalifman,A (2617)-Kantsler,B (2436) Hersonissos 2017}) 12... Bb7 13. Qe1 Nbd7 14. Qf2 Rac8 15. Rfd1 Qb8 16. Na4 ({But not} 16. Bxb6 Nxb6 17. Qxb6 d5 $11) (16. Nd4 $14) 16... d5 (16... b5 $1 $11 {remains equal.} 17. cxb5 axb5 18. Bxb5 Bxe4) 17. exd5 $16 exd5 18. Nxb6 Nxb6 19. Bxb6 dxc4 20. Bd4 {Weighted Error Value: White=0.14/Black=0.21} 1-0 [Event "Chinese-ch Women 2020"] [Site "Xinghua"] [Date "2020.12.20"] [Round "2.6"] [White "Ni, Shiqun"] [Black "Zhai, Mo"] [Result "1-0"] [ECO "D02"] [WhiteElo "2389"] [BlackElo "2366"] [Annotator "TA"] [PlyCount "63"] [EventDate "2020.12.19"] [EventType "tourn"] [EventCountry "CHN"] [SourceTitle "playchess.com"] [Source "ChessBase"] [SourceQuality "1"] {[%evp 14,63,10,10,31,6,23,42,32,23,57,48,133,137,139,69,182,122,110,78,157, 158,154,162,148,141,262,253,257,245,312,295,437,433,425,407,411,355,536,537, 710,720,974,959,1178,760,757,743,786,771,741,705]} 1. d4 Nf6 2. Nf3 g6 3. g3 Bg7 4. Bg2 d5 5. O-O O-O 6. c3 c6 7. Nbd2 Nbd7 8. Re1 h6 {D02:1 d4 d5 2 Nf3 sidelines, including 2...Nf6 3 g3 and 2...Nf6 3 Bf4.} 9. e4 Nxe4 10. Nxe4 dxe4 {White is slightly better.} 11. Rxe4 Nf6 12. Re1 Be6 {[#]} ({Black should play } 12... a5 $14) 13. Rxe6 $1 $16 fxe6 14. Qb3 {[#]} (14. Qc2 $16) 14... c5 $146 (14... Nd5 $14) ({Predecessor:} 14... Qc8 15. Bd2 Ne4 16. Re1 Rxf3 17. Rxe4 Rf6 18. Bh3 Kf7 19. Bg4 Qd7 20. Bf4 Qd5 {1-0 (28) Johnson,J (2185)-Khafra,E (1656) Port of Spain 2019}) 15. Qxe6+ ({Better is} 15. dxc5 $18 {aiming for Nd4.} Nd5 16. Nd4 (16. Qxb7 Qe8 $16) 16... Bxd4 17. cxd4) 15... Kh7 16. dxc5 Qd7 (16... Qd1+ $142 17. Qe1 Qxe1+ 18. Nxe1 Rab8) 17. Nd4 Rad8 18. Bf4 Nh5 19. Be3 $36 { [%mdl 2048] White is in control.} Bf6 (19... Bxd4 $16 20. Qxd7 Rxd7 21. Bxd4 ( 21. cxd4 e6 $16) 21... Ng7) 20. Qb3 $18 {Strongly threatening Ne6.} Bxd4 21. cxd4 Rb8 22. d5 Rfd8 (22... Ng7 $142 23. Re1 e5) 23. Re1 Rbc8 24. c6 bxc6 25. dxc6 Qf5 (25... Rxc6 $142 26. Bxc6 Qxc6 27. Bxa7 Rd7) 26. Bxa7 {White is clearly winning.} Qf6 27. Bc5 Rc7 28. Bb6 Rf8 29. Qe3 Rxc6 30. Bxc6 Qxc6 31. Qxe7+ {[%mdl 64] [#] Double Attack} Kg8 32. Bc5 {Accuracy: White = 74%, Black = 32%.} 1-0 [Event "Chinese-ch Women 2020"] [Site "Xinghua"] [Date "2020.12.21"] [Round "3.1"] [White "Zhai, Mo"] [Black "Guo, Qi"] [Result "1/2-1/2"] [ECO "D31"] [WhiteElo "2366"] [BlackElo "2418"] [Annotator "TA"] [PlyCount "60"] [EventDate "2020.12.19"] [EventType "tourn"] [EventCountry "CHN"] [SourceTitle "playchess.com"] [Source "ChessBase"] [SourceQuality "1"] {[%evp 13,60,4,18,15,26,18,44,12,10,7,25,16,47,28,31,4,1,-357,-16,0,-5,-8,0,0, 0,0,0,0,0,0,0,0,27,23,31,25,33,10,35,20,35,35,35,29,16,0,37,0,27]} 1. c4 e6 2. Nc3 d5 3. d4 Be7 4. cxd5 exd5 5. Bf4 c6 6. e3 Bf5 7. Nge2 Nd7 8. h4 {D31: Queen's Gambit Declined: Semi-Slav without ...Nf6 (+ Marshall Gambit and Noteboom) and Exchange Variation lines without ...Nf6.} h5 9. Ng3 {[#]} Bg4 $146 ({Predecessor:} 9... Bg6 10. Be2 Ngf6 11. Bd3 Bxd3 12. Qxd3 g6 13. Nge2 Nf8 14. f3 Ne6 15. Be5 Bd6 {1-0 (63) Giri,A (2764)-Magalashvili,D (2456) chess. com INT 2020}) 10. Be2 {White is slightly better.} Bxe2 11. Qxe2 g6 12. e4 dxe4 13. Ngxe4 {d5 is the strong threat.} Ngf6 $1 14. Nd6+ Kf8 15. O-O-O $2 { [%mdl 8192] [#]} (15. Nxb7 $11 {and White has nothing to worry.} Qb6 16. Nc5) 15... Bxd6 $2 (15... Qb8 $1 $19 16. Be5 Bxd6) 16. Bxd6+ $11 Kg7 17. Rhe1 Qa5 18. Be5 Rhe8 19. f4 Rad8 20. Kb1 Nxe5 21. fxe5 Nd5 22. Ne4 f5 $1 {[%CAl Rf5e4]} 23. Nc5 Qc7 24. Qf3 Qf7 25. g3 Re7 26. Re2 Kh7 27. a3 Kg8 28. Rf2 Kg7 29. Re2 Kg8 30. Rf2 Kg7 {Accuracy: White = 82%, Black = 79%.} 1/2-1/2 [Event "Chinese-ch Women 2020"] [Site "Xinghua"] [Date "2020.12.21"] [Round "3.2"] [White "Yuan, Ye"] [Black "Ni, Shiqun"] [Result "1/2-1/2"] [ECO "D20"] [WhiteElo "2081"] [BlackElo "2389"] [Annotator "TA"] [PlyCount "61"] [EventDate "2020.12.19"] [EventType "tourn"] [EventCountry "CHN"] [SourceTitle "playchess.com"] [Source "ChessBase"] [SourceQuality "1"] {[%evp 15,61,11,22,4,18,0,0,0,0,0,0,0,0,0,0,0,25,33,46,45,49,49,57,51,81,14,31, 0,16,16,20,0,0,0,0,0,0,0,0,0,0,0,17,18,14,0,22,0]} 1. d4 {Polgar,Zsu} d5 2. c4 dxc4 3. e4 e5 4. Nf3 exd4 5. Bxc4 Bb4+ 6. Bd2 Bxd2+ 7. Nbxd2 Nc6 {7...Qf6 is vanishing.} 8. O-O Qf6 $1 {8...Qf6 is better than 8...Nf6.} 9. e5 {D20: Queen's Gambit Accepted: 3 e3 and 3 e4.} Qg6 10. Re1 Nge7 11. b4 {[%CAl Bb2b4, Bb4b5][%mdl 32]} O-O 12. Qb3 a6 13. a4 Be6 14. Bxe6 fxe6 15. b5 {[#]} Nd8 $146 (15... Na5 $5 {[%CAl Ra5b3]} 16. Qa3 (16. Qb4 Nd5 $17) 16... Nd5 $11) ({ Predecessor:} 15... Na5 16. Qb4 Nd5 17. Qxd4 Nb3 18. Nxb3 Rxf3 19. Nc5 Nf4 20. g3 Nh3+ 21. Kh1 Rxf2 {0-1 (65) Epishin,V (2615)-Polgar,Z (2535) Brno 1991 CBM 026 [Polgar,Zsu]}) 16. Nxd4 Nd5 17. Qg3 Qxg3 18. hxg3 Kf7 19. Ne4 Ke7 20. f4 ( 20. Rac1 $16) 20... h6 21. Red1 (21. Rac1 {feels hotter.} axb5 22. axb5 Ra3 23. Ne2 Re3 24. N2c3) 21... g5 {The position is equal.} 22. fxg5 hxg5 23. Nxg5 (23. Rac1 {is interesting.} axb5 24. axb5 Ra4 25. Nf6 c6 26. Nh7) 23... axb5 24. axb5 Rxa1 25. Rxa1 Rg8 26. Ne4 Rg4 27. Re1 Nf7 28. Nf3 Rg8 29. Ra1 Rg4 30. Re1 Rg8 31. Ra1 {Weighted Error Value: White=0.10/Black=0.06} 1/2-1/2 [Event "Chinese-ch Women 2020"] [Site "Xinghua"] [Date "2020.12.21"] [Round "3.3"] [White "Yan, Tianqi"] [Black "Song, Yuxin"] [Result "1-0"] [ECO "B81"] [WhiteElo "2207"] [BlackElo "2290"] [Annotator "TA"] [PlyCount "133"] [EventDate "2020.12.19"] [EventType "tourn"] [EventCountry "CHN"] [SourceTitle "playchess.com"] [Source "ChessBase"] [SourceQuality "1"] {[%evp 12,133,26,17,34,-3,7,10,-10,-17,15,27,32,20,56,52,61,0,0,0,55,55,99,10, 10,6,5,6,6,-7,0,0,0,0,24,34,28,29,39,37,69,63,162,168,167,177,229,222,233,230, 224,221,214,207,197,131,139,131,222,214,222,222,236,235,232,240,263,255,267, 267,267,267,267,222,222,222,261,238,230,227,227,212,222,189,293,175,172,172, 174,172,421,432,516,468,664,630,639,629,775,768,787,710,613,588,563,466,5691, 5206,29975,29976,29976,29977,29977,29978,29987,29985,29986,29985,29985,29986, 29989,29990,29995,29988]} 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. h3 e6 7. g4 d5 {B81: Sicilian Scheveningen: Keres Attack.} 8. Bg5 dxe4 9. Qd2 {[#]} Nbd7 $146 {The position is equal.} ({Predecessor:} 9... Bb4 10. O-O-O Nbd7 11. Nde2 O-O 12. Bg2 Qc7 13. Kb1 Qc4 14. Qc1 Nd5 15. Nxd5 exd5 {1-0 (36) Trubchaninov,A (1837)-Gadimbayli,A (2001) Porto Carras 2013}) 10. O-O-O Be7 11. Bg2 Nc5 12. Nb3 Nxb3+ 13. axb3 Qxd2+ 14. Rxd2 (14. Bxd2 $14 Bd7 15. Nxe4 (15. Bxe4 Nxe4 16. Nxe4 Bc6 $15)) 14... Bd7 15. Bxf6 Bxf6 (15... gxf6 $11 16. Rhd1 ( 16. Bxe4 f5 $11) (16. Nxe4 Bc6 $11) 16... O-O-O) 16. Nxe4 $14 Be5 17. Kb1 ({ Better is} 17. Nd6+ $1 $16 Ke7 18. Nxf7 $1 {[%mdl 576] Double Attack}) 17... Bc6 $11 18. Nd6+ {[%mdl 64] Double Attack} Ke7 $132 {[%mdl 2048] Black is not holding back} 19. Bxc6 bxc6 20. Rhd1 Rhd8 {[%CAl Re5d6]} 21. Nb7 Rd5 22. b4 Rb8 23. Na5 Kd7 24. c3 Kc7 25. Kc2 Bf4 26. Rd4 Rbd8 ({Black should play} 26... Rxd4 $14 27. Rxd4 g5) 27. Nxc6 $1 $18 Kxc6 28. Rc4+ Kb5 (28... Kb6 {was called for.} 29. Rxd5 Rxd5 30. Rxf4 f6) 29. Rxd5+ Rxd5 30. Rxf4 {[%mdl 4096] Endgame Black must now prevent c4+. KR-KR} Rd7 31. Rf3 Rc7 32. Rd3 Rc4 {[#]} 33. b3 (33. Kd2 $1 $18) 33... Rf4 $16 34. f3 g5 (34... Rf6 $16 {might work better.} 35. Kd2 Kc6 ) 35. Kd2 $18 Rf6 36. Ke3 Rh6 37. Rd7 Rf6 38. Rd8 Rg6 39. Rf8 Rf6 40. Rg8 h6 41. Rc8 Kb6 42. Rc5 Rg6 43. Re5 Rf6 44. c4 Rg6 45. Ra5 Rg8 46. c5+ Kb7 47. Ra2 Rb8 (47... h5 $142 48. Rd2 (48. gxh5 Rh8 $16) 48... hxg4) 48. Rd2 (48. Kd3 $142 ) 48... Kc7 49. Rd4 a5 {[#]} 50. Kd3 $1 ({But not} 50. bxa5 $6 Rxb3+ 51. Rd3 Rb5 $16) 50... axb4 $2 (50... e5 {is a better defense.} 51. Re4 Kc6) 51. Kc4 h5 52. gxh5 Rh8 (52... f5 $142 53. h4 e5) 53. h4 Rxh5 54. hxg5 Rxg5 55. Kxb4 e5 56. Rd3 Rf5 57. Kb5 Rf6 58. b4 Rf4 (58... Re6 $142 59. Ra3 Kb7) 59. Ra3 f6 60. c6 {White mates.} Kd6 61. Rd3+ {Cut Off at move 61} Kc7 62. Kc5 e4 63. fxe4 Rxe4 64. Rd7+ Kc8 65. Rf7 Rf4 66. b5 Rf5+ 67. Kb6 {Weighted Error Value: White=0.14/Black=0.41} 1-0 [Event "Chinese-ch Women 2020"] [Site "Xinghua"] [Date "2020.12.21"] [Round "3.4"] [White "Hu, Yu A."] [Black "Xiao, Yiyi"] [Result "0-1"] [ECO "B02"] [WhiteElo "2094"] [BlackElo "2301"] [Annotator "TA"] [PlyCount "94"] [EventDate "2020.12.19"] [EventType "tourn"] [EventCountry "CHN"] [SourceTitle "playchess.com"] [Source "ChessBase"] [SourceQuality "1"] {[%evp 13,94,14,31,33,53,20,24,12,27,4,18,-20,16,-22,-8,-72,-55,-56,-58,-90, -61,-60,-52,-109,-46,-66,-66,-107,-97,-89,-64,-67,-58,-48,-45,-118,-120,-141, -129,-127,-145,-250,-246,-321,-319,-411,-411,-409,-393,-406,-404,-400,-393, -477,-480,-495,-483,-568,-559,-563,-549,-739,-728,-700,-706,-693,-683,-601, -560,-4833,-4308,-2412,-2060,-2631,-2046,-29983,-29984,-29985,-29986,-29989, -29987,-29992,-29993]} 1. e4 Nf6 2. Nc3 d5 3. exd5 Nxd5 4. Bc4 c6 5. Qf3 e6 6. Nge2 Nd7 7. d4 Qf6 8. Qg3 {B02: Alekhine's Defence: Chase Variation and lines with early Nc3.} Qg6 9. O-O Qxg3 ({Wrong is} 9... Qxc2 $2 10. Bd3 $18) 10. hxg3 {White has an edge.} Be7 {[#]} 11. Bd2 $146 ({Predecessor:} 11. Re1 N7b6 12. Bb3 O-O 13. Nf4 Bf6 14. Nce2 g6 15. Nd3 Nd7 16. c4 Ne7 17. f4 {0-1 (75) Ricci, A (2020)-Ager,J (2231) Arco 2008}) 11... O-O 12. Rae1 a5 13. a4 Nb4 14. Bb3 ( 14. Rc1 $1 $11) 14... b6 $17 15. Rd1 Ba6 16. Rfe1 Rfd8 17. Nf4 Nf6 18. Be3 (18. Ne4 $15) 18... g5 (18... c5 $17 19. Rd2 c4) 19. Nfe2 h6 20. Na2 Nbd5 21. Bc1 Ra7 22. c4 Nb4 23. Nxb4 Bxb4 24. Rf1 {White is now going downhill.} (24. Bd2 $15) 24... Rad7 25. f4 Ne4 26. fxg5 hxg5 27. Be3 (27. Nc3 $17 {was necessary.} Nxg3 28. Rf3 Bxc3 29. bxc3 Ne2+ 30. Kh2 Nxc1 31. Rxc1) 27... c5 $19 28. Kh2 cxd4 29. Nxd4 Bc5 {[%CAl Rc5d4]} 30. Nc6 Rxd1 (30... Bxe3 $2 31. Nxd8 Nd2 32. Rxd2 $19 (32. Rfe1 $2 Bc5 $19)) 31. Bxd1 Rxd1 32. Rxd1 {[#] Bxc5 is the strong threat.} Bxe3 33. Rd8+ Kg7 34. b3 Nc5 35. Ne5 f5 36. Nd7 {and the idea Nxc5 leaves White hopeful.} Nxb3 37. Nxb6 Bxb6 38. Rd6 Bxc4 39. Rxb6 Kf6 40. g4 Ke5 41. Kg3 f4+ 42. Kf2 Kd4 43. g3 e5 44. Rf6 Nc5 {Black mates.} 45. Rd6+ Bd5 46. Rg6 Ne4+ 47. Kg1 f3 {Weighted Error Value: White=0.86/Black=0.08} 0-1 [Event "Chinese-ch Women 2020"] [Site "Xinghua"] [Date "2020.12.21"] [Round "3.5"] [White "Li, Xueyi"] [Black "Tan, Zhongyi"] [Result "1/2-1/2"] [ECO "D73"] [WhiteElo "2328"] [BlackElo "2510"] [Annotator "TA"] [PlyCount "159"] [EventDate "2020.12.19"] [EventType "tourn"] [EventCountry "CHN"] [SourceTitle "playchess.com"] [Source "ChessBase"] [SourceQuality "1"] {[%evp 10,159,27,12,32,-32,-29,-22,-22,-39,-37,-81,-45,-54,-64,-46,-50,-53,7, 18,0,0,24,31,26,42,30,27,20,31,74,102,141,161,149,123,130,10,9,9,62,10,9,-71,0, 0,0,0,14,18,23,8,20,-13,-13,-13,-13,-13,-13,-13,-13,-13,-12,-13,-12,-12,-4,-11, -11,-11,-11,-34,-34,-34,-34,-34,-34,-34,-34,-53,-53,-53,-34,-52,0,0,0,0,0,0,0, 0,0,0,0,0,0,0,0,0,0,0,0,0,0,-8,0,0,0,-8,-8,-8,-8,-8,-8,-8,-8,-8,-8,-102,-8,-8, 0,-8,-8,-8,-8,-8,0,-8,0,0,0,-8,-8,-8,-8,-8,0,-8,-8,-8,-8,-8,0,-8,0,-8,-8,-8,0, 0]} 1. d4 Nf6 2. c4 g6 3. g3 c6 4. Bg2 d5 5. Nf3 Bg7 6. O-O dxc4 {D73: Fianchetto Grünfeld: 5 Nf3 .} 7. Na3 (7. Qc2 $14) 7... b5 $1 $15 8. Ne5 Nd5 9. e4 Nb4 10. Bf4 Nd7 11. Nc2 {[#]} Bxe5 $146 ({Predecessor:} 11... Nxe5 12. Nxb4 Nd3 13. Nxd3 cxd3 14. e5 Qb6 15. Rc1 Bb7 16. Qxd3 O-O 17. Rfd1 Rfd8 {1-0 (32) Xiao,Y (2218)-Lei,T (2444) China 2015}) 12. Nxb4 Bxf4 13. Nxc6 Qc7 (13... Qb6 $1 $15 14. gxf4 Bb7) 14. gxf4 $11 Bb7 (14... Qxc6 $6 15. e5 $16) 15. d5 Qxf4 16. a4 Bxc6 17. dxc6 Ne5 $1 {[%CAl Re5g4]} 18. Qc1 $1 {[%CAl Rc1f4]} ({Not} 18. axb5 $2 Ng4 $19) 18... Qxc1 19. Rfxc1 Nxc6 {aiming for ...Nd4.} 20. axb5 Nd4 { And now ...Ne2+ would win.} 21. Rxc4 Rd8 22. e5 ({But not} 22. Rxa7 $6 Nxb5 23. Ra5 Nd4 $11) 22... O-O 23. Rxa7 ({Only move:} 23. Bc6 $16) 23... Nxb5 24. Rxe7 Rd1+ 25. Bf1 Nd4 26. Rcc7 (26. Kg2 $11 Nf5 27. Rb7) 26... Nf3+ (26... Ne2+ $17 27. Kg2 Nf4+ 28. Kf3 Ne6) 27. Kg2 Nh4+ 28. Kg1 $1 Nf5 29. Red7 Re1 30. f4 { White wants to play Kf2.} Rb1 31. Rd2 Ne3 {[%csl Ge3][%CAl Rb1f1]} 32. Rf2 Rb8 (32... Ra8 $5 33. Rf3 $8 Nxf1 34. Rxf1 Rxb2 $11) 33. Rf3 Nxf1 34. Rxf1 Rxf1+ 35. Kxf1 Rxb2 {[%mdl 4096] Endgame KR-KR} 36. Rc8+ Kg7 37. Rc7 Kf8 38. e6 fxe6 {...h5 is the strong threat.} 39. Rxh7 Rb4 40. Kf2 Rxf4+ 41. Ke3 Rf7 42. Rh8+ Kg7 43. Ra8 Rf5 44. Ke4 Kf6 45. Rf8+ Kg5 46. Rh8 Rf2 ({Black should try} 46... Rc5 $15) 47. h4+ Kg4 48. Rh6 $1 Re2+ {[#]} 49. Kd3 $1 {[%mdl 512]} Rh2 50. Rxg6+ {[%mdl 64] Double Attack} Kf5 51. Rh6 e5 52. Rh8 Rh3+ 53. Ke2 Kf4 54. h5 Rh2+ 55. Kf1 Kf3 {[%CAl Rh2h1]} 56. Rf8+ (56. Kg1 {keeps more tension.} Rg2+ 57. Kf1 Rf2+ 58. Kg1 Rg2+) 56... Ke3 57. Ra8 e4 58. Ra3+ Kf4 59. Ke1 Rxh5 60. Rb3 Rh2 61. Ra3 {Cut Off at move 61} Rc2 62. Kd1 Rf2 63. Ke1 Rf3 64. Ra8 {[#]} (64. Ra2 $1 $11) 64... Rb3 ({Black should play} 64... Rh3 $1 $17 65. Kd2 Rh2+ 66. Kd1 Kf3) 65. Rh8 {The position is equal.} Rc3 66. Ke2 Rc2+ 67. Ke1 $1 Kg3 68. Rh7 Kg4 69. Rh8 Kf3 70. Rh3+ Kf4 71. Ra3 Rb2 72. Rc3 Ke5 73. Ra3 (73. Rc5+ {with more complications.} Kd4 74. Ra5 Rh2 75. Ra3 Rg2 76. Rb3) 73... Kd4 74. Rh3 Rb1+ 75. Ke2 Ra1 76. Rg3 Kc4 77. Rh3 Rc1 78. Rg3 Rc2+ 79. Ke1 Rc3 80. Rxc3+ {Weighted Error Value: White=0.12/Black=0.09} 1/2-1/2 [Event "Chinese-ch Women 2020"] [Site "Xinghua"] [Date "2020.12.21"] [Round "3.6"] [White "Ning, Kaiyu"] [Black "Gu, Xiaobing"] [Result "0-1"] [ECO "E64"] [WhiteElo "2327"] [BlackElo "2263"] [Annotator "TA"] [PlyCount "126"] [EventDate "2020.12.19"] [EventType "tourn"] [EventCountry "CHN"] [SourceTitle "playchess.com"] [Source "ChessBase"] [SourceQuality "1"] {[%evp 17,126,40,52,25,62,60,87,46,56,56,60,30,32,27,28,27,29,17,26,0,0,0,52, 21,18,0,0,0,0,0,0,-56,-59,-60,-57,-55,87,71,116,2,203,15,110,106,111,4,6,0,191, 14,0,4,137,143,140,0,0,0,0,0,0,-57,-49,-294,-294,-312,-312,-383,-258,-454,-458, -460,-452,-451,-376,-622,-472,-1380,-225,-220,-213,-218,-183,-225,-189,-278, -235,-235,-163,-175,-170,-157,-129,-167,-129,-134,-129,-136,-127,-469,-550, -538,-492,-1201,-1152,-12845,-12846,-29987,-29988,-29988,-29989]} 1. d4 Nf6 2. c4 c5 3. d5 g6 4. Nc3 Bg7 5. Nf3 d6 6. g3 O-O 7. Bg2 Na6 8. O-O Nc7 9. e4 e5 10. dxe6 {E64: King's Indian: Fianchetto: 6...c5 7 d5.} Bxe6 11. Qd3 Qe7 {[#]} 12. Re1 $146 {White is better.} ({Predecessor:} 12. Bf4 Rfd8 13. Rad1 Nfe8 14. h3 h6 15. Rfe1 Qf8 16. b3 a6 17. a4 f5 18. Bc1 {1-0 (29) Nikolic,P (2485) -Arapovic,V (2370) Sarajevo 1982}) 12... Rfd8 13. Bg5 h6 14. Nd5 Bxd5 15. exd5 Qd7 16. Bd2 b5 17. b3 a5 18. a4 {[%CAl Ra4b5]} bxc4 19. bxc4 Nfe8 (19... Rdb8 $11) 20. Ra3 Na6 21. Bxa5 Nb4 22. Bxb4 cxb4 23. Rb3 Bc3 24. Rxc3 (24. Reb1 $1 $11) 24... bxc3 $15 25. Qxc3 Qxa4 26. Nd4 Nc7 (26... Qa3 $15 {stays ahead.} 27. Qd2 Nf6) 27. Nc6 $16 Rf8 28. c5 (28. h4 $1 $16) 28... dxc5 $2 (28... Ne8 $1 $11 {and Black has nothing to worry.}) 29. Qxc5 $2 (29. d6 $1 $18 Ne6 30. Qf6) 29... Na6 (29... Kh7 $11 {remains equal.}) 30. Qc3 $1 {[%mdl 1024] Hoping for d6. White has strong compensation.} Rae8 31. Ne7+ (31. Ra1 $16 Qb5 32. d6) 31... Kh7 $11 32. h4 h5 $2 (32... Qb4 $11 {and Black is okay.} 33. Qxb4 Nxb4) 33. Qf6 $2 (33. Re4 $1 $18 {[%CAl Re4a4]} Qd7 34. Qf6) 33... Nc5 34. d6 Qc2 ( 34... Qa5 $1 $11 35. Re5 Nd7 36. Qxg6+ (36. Rxa5 Nxf6 37. Ra2 Rb8 $17) 36... fxg6 37. Rxa5 Rf6) 35. Bd5 $1 $16 {[%CAl Rd5f7]} Nd7 {[#]} 36. Qf3 ({White must play} 36. Qg5 $1 $16 Qd3 37. Kg2) 36... Kg7 $11 37. Bc6 Rd8 $1 38. Qd5 Qc5 {Threatens to win with ...Qxd5.} 39. Qd2 (39. Bb5 $1 $11) 39... Ne5 $36 { [%mdl 2048] Black fights for an advantage.} 40. Qb2 $2 (40. Qg5 $1 $15 Nd3 { [%mdl 64] Double Attack} 41. Qxc5 Nxc5 42. Rd1) 40... f6 $19 {And now ...Nd3 would win.} 41. Qb7 {White threatens Nf5+! and mate.} Kh6 42. Be4 {If White can now play Bxg6 this consolidates a bit.} Rd7 43. Qb1 $2 (43. Qd5 Qxd6 44. Qxd6 Rxd6 45. Re2) 43... f5 44. Bg2 {intending Qb2.} Rxd6 45. Rc1 Qd4 46. Qa2 $2 (46. Nc6 Nxc6 47. Rxc6) 46... Rb8 {...Rb2 is the strong threat.} 47. Rc7 ( 47. Qa5 $142) 47... Rd7 $2 (47... Qd1+ 48. Bf1 Nf3+ 49. Kg2 Nd2) 48. Rxd7 Qxd7 ({Worse is} 48... Nxd7 {[#]} 49. Qe6 $1 $11 {[%mdl 512]}) 49. Nd5 {With the idea Qd2+.} Qe6 50. Qc2 {White hopes to continue with Qc1+.} Rd8 51. Qb3 (51. Qc1+ $142 Kh7 52. Qc5) 51... Ng4 {( -> ...Qe1+)} 52. Qc3 Rc8 ({And not} 52... Qe2 53. Qc1+ f4 54. Qxf4+ Kh7 55. Qc7+ Kh6 56. Qf4+ Kh7 57. Qc7+ Kh6 58. Qf4+ $11) 53. Qd2+ Kh7 54. Nf4 Qe7 55. Bd5 Qc5 {White must now prevent ...Qc1+.} 56. Kg2 Rd8 {Strongly threatening ...Nf6.} 57. Qa2 Nf6 58. Bf7 $2 {[%mdl 8192]} ( 58. Bf3 $17 {is tougher.} Qe7 59. Ne6) 58... Qc6+ 59. f3 Qc1 {aiming for ... Rd2+.} 60. Bg8+ ({Much worse is} 60. Bxg6+ Kh6) (60. Ne2 $142 Rd2 61. Qa6) 60... Kh6 61. Qe6 Rd2+ 62. Ne2 {[#]} Ne4 $1 {[%mdl 512]} 63. Qa6 {[#]} (63. fxe4 Rxe2+) 63... Qe1 $1 {Weighted Error Value: White=0.80/Black=0.44} 0-1 [Event "Chinese-ch Women 2020"] [Site "Xinghua"] [Date "2020.12.22"] [Round "4.1"] [White "Guo, Qi"] [Black "Gu, Xiaobing"] [Result "1/2-1/2"] [ECO "E94"] [WhiteElo "2418"] [BlackElo "2263"] [Annotator "TA"] [PlyCount "106"] [EventDate "2020.12.19"] [EventType "tourn"] [EventCountry "CHN"] [SourceTitle "playchess.com"] [Source "ChessBase"] [SourceQuality "1"] {[%evp 23,106,39,40,43,39,42,54,56,92,45,35,32,74,75,75,75,107,88,131,92,97,79, 88,94,83,100,83,27,27,26,33,41,33,6,66,12,12,12,12,12,12,12,12,12,12,12,16,8,8, 8,8,8,8,8,8,8,8,8,12,0,0,0,146,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0]} 1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. Nf3 O-O 6. Be2 e5 7. O-O exd4 8. Nxd4 Re8 9. f3 Nc6 10. Be3 Nh5 11. Qd2 Nxd4 12. Bxd4 Nf4 {[#] And now ...Qg5! would win.} 13. Rf2 {E94: King's Indian: Classical: 6 Be2 e5 7 0-0: Various Black 7th moves.} Bxd4 14. Qxd4 Nxe2+ 15. Rxe2 {White is slightly better.} Be6 {[#]} 16. Nd5 $146 ({Predecessor:} 16. Rd1 c6 17. b3 {1/2-1/2 (17) Savina,A (2378) -Sandu,M (2261) Riga 2017}) 16... Bxd5 17. cxd5 Qg5 18. Rc2 Re7 19. Rac1 Rc8 20. Qxa7 b6 21. Qa3 f5 22. Qd3 fxe4 23. fxe4 Rf8 24. Rxc7 Qf4 {( -> ...Rxc7)} 25. R7c2 (25. h3 $16) 25... Rxe4 $11 26. Rf1 Qe5 {White must now prevent ... Rxf1+.} 27. Rxf8+ Kxf8 $14 {[%mdl 4096] Endgame KQR-KQR} 28. Rc1 (28. h3 { is more complex.} Kg7 29. Rc7+ Kg8 30. Qf3 Rf4 31. Re7) 28... g5 (28... Kg8 $11 ) 29. Qc3 (29. h3 $14) 29... Qd4+ $11 30. Qxd4 Rxd4 {KR-KR} 31. Rc6 Rd1+ 32. Kf2 Rd2+ 33. Kf3 Rxb2 34. Rxd6 b5 35. Rb6 h5 36. h3 Ke7 37. a3 Rb3+ 38. Ke4 Rg3 39. Ke5 {Black should prevent Rb7+.} Rxg2 40. Rb7+ Ke8 41. Ke6 {[%CAl Rb7b8]} Re2+ 42. Kd6 Ra2 {[#]} (42... Re3 $11 {remains equal.}) 43. Rh7 ({Much weaker is} 43. Rxb5 $6 Rxa3 44. Ke6 Re3+ 45. Kf6 Rxh3 $11) ({White has to play} 43. Re7+ $1 $16 Kf8 44. Re3) 43... h4 {The position is equal.} 44. Re7+ Kd8 45. Re3 Rb2 46. Rf3 {[%CAl Rf3f8]} Ke8 47. Kc7 {Threatens to win with Rc3.} Rc2+ 48. Kd6 Rg2 49. Re3+ Kf7 50. Re7+ Kf6 51. Re6+ Kf7 52. Re7+ Kf6 53. Re6+ Kf7 { Weighted Error Value: White=0.13/Black=0.12} 1/2-1/2 [Event "Chinese-ch Women 2020"] [Site "Xinghua"] [Date "2020.12.22"] [Round "4.2"] [White "Tan, Zhongyi"] [Black "Ning, Kaiyu"] [Result "1-0"] [ECO "E04"] [WhiteElo "2510"] [BlackElo "2327"] [Annotator "TA"] [PlyCount "105"] [EventDate "2020.12.19"] [EventType "tourn"] [EventCountry "CHN"] [SourceTitle "playchess.com"] [Source "ChessBase"] [SourceQuality "1"] {[%evp 10,105,6,0,-4,-14,-12,-14,-14,-26,-26,-45,-33,-42,-53,-51,-40,-41,-45, -54,-38,-29,0,-100,-110,-101,-101,-105,-102,-188,-102,-230,-184,-277,-275,-268, -238,-394,-370,-346,-265,-302,-217,-206,-22,-66,0,0,0,0,0,0,0,0,0,0,0,0,0,0, 106,131,104,120,159,157,148,146,155,149,143,150,204,211,309,158,362,328,328, 322,291,239,175,122,108,50,42,0,128,128,29978,29977,29996,29997,29997,29998, 29998,29999]} 1. d4 d5 2. c4 e6 3. Nf3 Nf6 4. g3 Bb4+ 5. Nbd2 dxc4 6. Bg2 b5 { E04: Open Catalan: 5 Nf3.} 7. O-O a5 8. a4 c6 {The position is equal.} 9. Qc2 O-O 10. e4 h6 11. e5 Nd5 12. Ne4 {[#]} Be7 $146 ({Predecessor:} 12... Ra7 13. Bd2 Na6 14. Rfd1 Qb6 15. Qc1 Bxd2 16. Qxd2 Nab4 17. Bf1 Ba6 18. g4 f5 19. exf6 Nxf6 20. Nxf6+ Rxf6 {1/2-1/2 (41) Vinchev,S (2382)-Murden,C (2434) ICCF email 2012}) 13. g4 Na6 14. g5 Nab4 15. Qd1 h5 16. Ne1 (16. Nh4 $11 {keeps the balance.} g6 17. Nf6+ Kg7 18. Be4) 16... g6 $17 17. Nf6+ Kg7 $1 (17... Bxf6 18. gxf6 bxa4 19. Qd2 $16) 18. Be4 bxa4 (18... Bxf6 $2 19. gxf6+ Kg8 20. Qd2 $18) 19. Ra3 (19. Rxa4 $17 {is a better defense.} c3 20. Nf3) 19... Nd3 (19... Bxf6 20. gxf6+ Kg8 21. Rf3 $18) (19... Ba6 $19 20. f4 Nd3 21. Rxa4 Nb6) 20. Bxd3 ( 20. Rxa4 $17 Nxc1 21. Qxc1) 20... Bxa3 21. Bxg6 (21. Bxc4 $142 Bb4 22. Qxa4) 21... fxg6 $19 22. bxa3 Ba6 23. Nf3 $2 (23. Ng2) 23... Qb6 24. Nh4 {next Nxg6! is good for White.} Ne7 (24... Nxf6 $2 25. exf6+ (25. gxf6+ Kf7 $16) 25... Kf7 26. Nxg6 $1 $18 {[%mdl 512]}) 25. Be3 Qb3 {White must now prevent ...c3.} 26. Qf3 Rf7 $2 (26... Qxa3 27. Nxg6 $1 {[%mdl 512]} Nxg6 28. Nxh5+ Kg8 29. Nf6+ Rxf6 30. gxf6 $17) ({Better is} 26... c3 $1 $19 27. Nxg6 {[%mdl 64] Remove Defender} Nxg6) 27. d5 cxd5 (27... Nxd5 $15 28. Nxg6 Qd3) 28. Nxg6 $1 $11 { [%mdl 64] Remove Defender} Nxg6 29. Qxh5 {[%csl Ge3,Gg5][%CAl Rh5h6]} Rh8 {[#]} 30. Ne8+ $1 {[%mdl 512]} Rxe8 (30... Kf8 $2 31. Qxg6 Kxe8 32. Qxe6+ Kf8 33. g6 $18) 31. Qh6+ Kg8 32. Qxg6+ Kf8 33. Bc5+ {[#]} Ree7 $1 34. Qxe6 {[%mdl 64] Pin} (34. Bxe7+ Kxe7) 34... Qf3 (34... Qb7 $11) 35. g6 $1 $16 {[%CAl Rg6f7]} Kg7 ( 35... Rg7 $2 36. Rb1 $18) 36. Bxe7 Rf5 37. Bf6+ $1 $40 {[%mdl 128] Black is in trouble.} (37. Qxa6 Qg4+ 38. Kh1 Qf3+ 39. Kg1 Qg4+ 40. Kh1 Qf3+ 41. Kg1 $11) 37... Kh6 38. Bh4 (38. Qxa6 $6 Rf4 $11) 38... Qg4+ 39. Bg3 Qxg6 40. Qxd5 { Strongly threatening Rd1.} Kh7 {[#]} (40... c3 $16) 41. Rd1 $1 $18 {Qd7+ is the strong threat.} (41. Qxa5 $6 Qc6 $14) 41... Rf7 (41... Bc8 $142 42. Qxc4 { [%mdl 64] Double Attack} Be6) 42. Qd4 (42. Qxa5 Bb7 $14) (42. e6 $18 Re7 43. Qc5 (43. Qxa5 Bc8 $16) 43... Qxe6 44. Qh5+ (44. Qxa5 Bb7 $11) 44... Kg7 45. Rd4 (45. Qxa5 Bb7 $14) 45... Qe1+ 46. Kg2 Bb7+ 47. f3 Qe2+ 48. Bf2) 42... Qf5 $2 ( 42... Rg7 $16 43. f3 Bb7) 43. Qh4+ Kg7 44. e6 Qxe6 45. Qg5+ Qg6 46. Qxa5 ({ White should try} 46. Qe5+ $18 Kg8 47. h3 (47. Rd8+ Rf8 $16)) 46... Kh7 $16 47. Qd8 (47. Qxa4 $16 Rc7 48. Qa5) 47... Qe4 $14 48. Qa5 {Threatening mate with Qh5+.} Qf3 {[#]} ({Stronger than} 48... Bb7 49. Qh5+ Kg7 50. Be5+ Qxe5 51. Qxe5+ Kh7 52. Qh5+ Kg7 53. Rd6 Rxf2 54. Qh6+ Kg8 55. Rg6+ Kf7 56. Rg7+ Ke8 57. Qe6+ {[%mdl 64] Double Attack} Kf8 58. Rg8#) (48... Qg6 $1 $11) 49. Rd5 $1 $16 {[%CAl Rd5h5] aiming for Rh5+.} Bb7 $4 {[%mdl 8192]} (49... Qf6 $16) 50. Rh5+ { White mates.} Kg8 51. Qd8+ Rf8 52. Qg5+ Kf7 53. Rh7+ {What a bad dream for Black. Accuracy: White = 60%, Black = 54%.} 1-0 [Event "Chinese-ch Women 2020"] [Site "Xinghua"] [Date "2020.12.22"] [Round "4.3"] [White "Xiao, Yiyi"] [Black "Li, Xueyi"] [Result "1/2-1/2"] [ECO "B13"] [WhiteElo "2301"] [BlackElo "2328"] [Annotator "TA"] [PlyCount "95"] [EventDate "2020.12.19"] [EventType "tourn"] [EventCountry "CHN"] [SourceTitle "playchess.com"] [Source "ChessBase"] [SourceQuality "1"] {[%evp 17,95,18,30,22,22,20,23,36,23,0,40,37,44,23,13,0,0,0,0,-10,-23,-24,-29, -44,-29,-52,-45,-48,-39,-42,15,14,20,0,63,8,34,22,8,0,0,0,0,0,0,0,0,0,0,-31,6, -9,101,0,0,0,0,0,7,8,6,6,6,6,8,-19,0,0,0,0,0,0,0,0,0,0,0,0,0,0]} 1. e4 c6 2. d4 d5 3. exd5 cxd5 4. c4 Nf6 5. Nc3 Nc6 {[%CAl Bb8c6,Bc6e5,Be5d3][%mdl 32]} 6. Bg5 dxc4 7. d5 Ne5 8. Qd4 Nd3+ 9. Bxd3 cxd3 10. Qxd3 {B13: Caro-Kann: Exchange Variation and Panov-Botvinnik Attack.} g6 11. Nf3 Bg7 12. O-O {White has an edge.} O-O 13. Rfe1 Re8 {[#]} 14. h3 $146 ({Predecessor:} 14. Rad1 a6 15. Qc4 b5 16. Qc5 Bg4 17. Rd3 Rc8 18. Qd4 Rc4 19. Qe3 b4 20. Ne5 {0-1 (31) Volcko,R (1913)-Vrabel,M (2062) Slovakia 2015}) 14... Qb6 15. Qc4 Bf5 16. Re2 h6 17. Be3 Qa5 18. Qc5 Qa6 {Strongly threatening ...Nd7.} 19. Nd4 Rac8 20. Qb5 Qxb5 21. Ndxb5 a6 22. Nd4 Bd3 23. Rd2 Be4 (23... Bc4 $1 $15) 24. Nb3 $11 Bf5 25. f3 Red8 ({Black should play} 25... Nd7 $11) 26. Rad1 (26. Bb6 $14) 26... g5 27. g4 Bg6 28. Bb6 Rd7 29. a4 Rd6 30. Bc5 Rd7 31. Bb6 Rd6 32. Bc5 Rd7 33. Kg2 Rdc7 34. Bd4 (34. d6 {is more complex.} exd6 35. Bxd6 Rd7 36. Bc5 Rcc7 37. Bb6) 34... Nd7 { [#]} (34... Ne8 $11) 35. Re1 ({White has to play} 35. d6 $1 $16 {[%CAl Rd6c7] [%mdl 512]} exd6 36. Nd5) 35... Bxd4 {The position is equal.} 36. Rxd4 Nb6 37. Na5 Kf8 38. d6 exd6 39. Rxd6 Nc4 40. Nxc4 Rxc4 41. Rd7 b5 42. axb5 axb5 43. Nxb5 Rc2+ 44. Kg3 Rxb2 {[#] Hoping for ...Rcc2.} 45. Nd4 Ra8 46. Re2 Rxe2 47. Nxe2 h5 48. gxh5 {Weighted Error Value: White=0.12/Black=0.14} 1/2-1/2 [Event "Chinese-ch Women 2020"] [Site "Xinghua"] [Date "2020.12.22"] [Round "4.4"] [White "Song, Yuxin"] [Black "Hu, Yu A."] [Result "1-0"] [ECO "B52"] [WhiteElo "2290"] [BlackElo "2094"] [Annotator "TA"] [PlyCount "115"] [EventDate "2020.12.19"] [EventType "tourn"] [EventCountry "CHN"] [SourceTitle "playchess.com"] [Source "ChessBase"] [SourceQuality "1"] {[%evp 12,115,29,16,8,10,12,14,21,22,25,19,34,31,31,31,32,38,52,29,42,20,34,21, 33,18,47,43,40,31,24,23,30,13,29,13,74,74,74,74,75,71,93,83,87,83,82,81,82,81, 90,79,77,45,53,53,129,134,140,133,231,218,231,199,232,208,224,218,373,365,360, 327,343,312,414,392,412,412,1224,1197,694,334,319,245,1192,1137,29952,12850, 12835,12250,5667,1592,12850,5595,29979,29980,29981,29982,29976,29973,29987, 29987,29987,29988,29988,29989]} 1. e4 c5 2. Nf3 d6 3. Bb5+ Bd7 4. Bxd7+ Nxd7 5. O-O Ngf6 6. Qe2 e6 7. c4 Ne5 {B52: Sicilian: Moscow Variation with 3...Bd7.} 8. b3 Be7 9. Bb2 {[#]} Nc6 $146 {The position is equal.} ({Predecessor:} 9... Nfd7 10. Nxe5 dxe5 11. f4 exf4 12. Bxg7 Rg8 13. Bc3 Bd6 14. e5 Bc7 15. Na3 Qg5 { 1/2-1/2 (36) Sergienko,S (2335)-Golubev,M (2461) Chess.com INT 2020}) 10. d4 cxd4 11. Nxd4 Nxd4 12. Bxd4 O-O 13. Rd1 Qc7 14. Nc3 a6 15. Rac1 Nd7 16. Qb2 ( 16. Rd3 {with more complications.} Rfd8 17. Rcd1 Rac8 18. Qd2 Ne5 19. Rg3) 16... Bf6 17. Bxf6 Nxf6 18. Rd3 Rfd8 19. Rcd1 Rd7 20. Qd2 Rad8 21. Rg3 Ne8 22. Kf1 Qc6 23. Qg5 Qc5 (23... Kf8 $11 {remains equal.}) 24. Qxc5 $1 $16 dxc5 25. Rxd7 Rxd7 {[%mdl 4096] Endgame KRN-KRN} 26. Ke2 f6 27. Rd3 Rc7 28. f4 Kf7 29. Ke3 Ke7 30. e5 Rc8 31. Ne4 f5 32. Nd6 (32. Nc3 {seems wilder.} Rc6 33. Na4 g6 34. Rd1 h6 35. h4) 32... Nxd6 33. Rxd6 $14 {KR-KR} Rd8 {White leaves nothing to chance now.} ({Black should play} 33... Rc6 $1 $14) 34. Rb6 $1 $16 Rd7 35. a3 Kf7 {[#]} (35... Rc7 $16 {was worth a try.} 36. g3 Kf7) 36. b4 $1 $18 cxb4 37. axb4 Re7 38. Kd4 Rd7+ 39. Kc3 h6 $2 (39... Re7 {keeps fighting.} 40. c5 Rc7 ) 40. c5 g5 {[#]} 41. g3 $1 gxf4 42. gxf4 Re7 43. c6 bxc6 44. Rxa6 Kg6 (44... Rc7 $142 45. Kc4 Ke7) 45. Rxc6 Kh5 46. Kb3 (46. b5 $142 Kg4 47. Rc4) 46... Kg4 47. Rc4 Kh3 $2 (47... Rb7 48. Ka4 h5) 48. Rc2 h5 49. b5 Kg4 50. Rf2 h4 51. Kb4 h3 52. b6 (52. Kc5 $142 Rd7 53. b6) 52... Kh4 53. Kc5 {White mates.} Rg7 54. Rb2 Rg2 55. Rb1 Rxh2 56. b7 Rc2+ 57. Kd6 Rd2+ 58. Ke7 {Weighted Error Value: White=0.12/Black=0.49} 1-0 [Event "Chinese-ch Women 2020"] [Site "Xinghua"] [Date "2020.12.22"] [Round "4.5"] [White "Ni, Shiqun"] [Black "Yan, Tianqi"] [Result "1/2-1/2"] [ECO "C07"] [WhiteElo "2389"] [BlackElo "2207"] [Annotator "TA"] [PlyCount "63"] [EventDate "2020.12.19"] [EventType "tourn"] [EventCountry "CHN"] [SourceTitle "playchess.com"] [Source "ChessBase"] [SourceQuality "1"] {[%evp 35,63,0,0,0,0,0,0,0,0,0,18,0,0,0,0,0,96,0,0,0,0,0,0,0,0,0,0,0,0,0]} 1. e4 e6 2. d4 d5 3. Nd2 {[%CAl Bb1d2,Bd2b3,Bb3d4,Bd4f5][%mdl 32]} c5 4. exd5 Qxd5 5. Ngf3 cxd4 6. Bc4 Qd6 7. O-O Nf6 8. Nb3 Nc6 9. Nfxd4 Nxd4 10. Nxd4 a6 11. Re1 Qc7 12. Bb3 Bd6 13. Nf5 Bxh2+ 14. Kh1 O-O 15. Nxg7 Rd8 16. Qf3 Kxg7 17. Bh6+ Kg6 18. c3 Nh5 $1 ({Weaker is} 18... Kxh6 19. Qxf6+ Kh5 {[#]} 20. g4+ $1 { [%mdl 512]} Kxg4 21. Rg1+ $1 {[%mdl 512]} Bg3 22. Rxg3+ Qxg3 23. fxg3) 19. Bc1 {Threatening mate with Qg4+. C07: French Tarrasch: 3...c5, 4 Ngf3 and 4 exd5 Qxd5.} Bf4 {Hoping for ...Bxc1.} 20. g4 {[#]} Ng3+ $1 21. fxg3 Bxc1 22. Raxc1 Bd7 23. Kh2 {Black must now prevent Rf1.} Bc6 24. Qe3 h6 $1 25. Rf1 {[#]} Kg7 $146 (25... Rd7 $11 {keeps the balance.}) ({Predecessor:} 25... Rd7 26. Rf4 Rad8 27. Rcf1 Rd2+ 28. R1f2 Rxf2+ 29. Rxf2 Qe7 30. Qe5 f6 31. Qxe6 Qxe6 32. Bxe6 {1/2-1/2 (59) Siigur,J (2488)-Turkov,V (2496) ICCF email 2006}) 26. Rce1 ( {Better is} 26. g5 $16) 26... Rd7 $11 {The position is equal.} 27. Rf6 { [%mdl 64] Decoy} Kxf6 28. Qxh6+ Ke7 {[#]} 29. Rxe6+ $1 {[%mdl 512]} fxe6 30. Qxe6+ Kd8 {( -> ...Rd2+)} 31. Qg8+ Ke7 32. Qe6+ {Weighted Error Value: White=0. 13/Black=0.15} 1/2-1/2 [Event "Chinese-ch Women 2020"] [Site "Xinghua"] [Date "2020.12.22"] [Round "4.6"] [White "Zhai, Mo"] [Black "Yuan, Ye"] [Result "1/2-1/2"] [ECO "A07"] [WhiteElo "2366"] [BlackElo "2081"] [Annotator "TA"] [PlyCount "96"] [EventDate "2020.12.19"] [EventType "tourn"] [EventCountry "CHN"] [SourceTitle "playchess.com"] [Source "ChessBase"] [SourceQuality "1"] {[%evp 9,96,13,23,16,29,18,51,41,41,35,72,31,100,41,39,37,37,30,36,38,38,39,45, 22,37,44,37,0,54,55,107,75,119,71,80,78,79,69,74,60,72,62,62,56,60,58,58,67,58, 50,50,50,50,50,45,49,60,52,60,50,52,40,46,40,63,40,47,47,52,45,65,31,31,31,31, 31,31,31,31,31,31,31,31,31,31,31,31,31,31]} 1. Nf3 d5 2. g3 c6 3. Bg2 Nf6 4. O-O g6 5. d3 Bg7 6. Nbd2 {A07: Réti Opening: New York and Capablanca Systems.} Nbd7 7. e4 Qc7 8. Re1 dxe4 9. dxe4 e5 {[#]} 10. a4 $146 ({Predecessor:} 10. b3 O-O 11. Bb2 Rd8 12. Qe2 Ne8 13. Rad1 Nf8 14. Nc4 Rxd1 15. Rxd1 f6 16. a4 { 1/2-1/2 (22) Vinke,D (2173)-Lahti,J (2046) Sibenik 2014}) 10... a5 ({Black should try} 10... O-O $14) 11. b3 (11. Nc4 $16) 11... O-O $14 12. Nc4 Rd8 $1 13. Qd6 Qxd6 14. Nxd6 Nc5 15. Ba3 $36 {[%mdl 2048] White has good play.} Rxd6 16. Bxc5 Rd8 17. Bb6 Re8 18. Rad1 Bg4 (18... Bf8 $11) 19. h3 Nd7 ({Black should play} 19... Bc8 $14) 20. Be3 ({But not} 20. hxg4 $6 Nxb6 21. g5 h5 $11) 20... Bxf3 21. Bxf3 Nf8 22. Be2 Bf6 23. Bc4 Bd8 24. Rd2 Bc7 $1 25. Red1 Rad8 { White is slightly better.} 26. Bg5 Rxd2 27. Rxd2 Kg7 28. Rd3 f6 29. Bc1 (29. Bd2 {seems wilder.} f5 30. Kg2 fxe4 31. Re3 Ne6 32. Rxe4 Nd4 33. c3) 29... Rd8 30. Rxd8 Bxd8 {[%mdl 4096] Endgame KBB-KBN} 31. Be3 Bc7 32. h4 b6 33. Kf1 Nd7 34. Ke2 Nc5 35. f3 Bd6 36. g4 h6 37. Kf2 g5 38. Kg3 Kf8 39. Be2 Bc7 40. hxg5 hxg5 41. Bxc5+ bxc5 {KB-KB} 42. Bc4 Ke7 43. Kf2 Kd7 44. Ke3 Bd6 45. Kd3 Kc7 46. Bf7 Be7 47. Kc4 Bd6 48. Be8 Be7 {Weighted Error Value: White=0.10/Black=0.10} 1/2-1/2 [Event "Chinese-ch Women 2020"] [Site "Xinghua"] [Date "2020.12.23"] [Round "5"] [White "Li, Xueyi"] [Black "Song, Yuxin"] [Result "0-1"] [ECO "E07"] [WhiteElo "2328"] [BlackElo "2290"] [Annotator "TA"] [PlyCount "103"] [EventDate "2020.12.19"] [EventType "tourn"] [EventCountry "CHN"] {[%evp 18,103,-12,0,10,11,20,17,23,0,4,0,0,0,0,-15,-39,-51,-13,-47,0,-48,-39, -40,16,0,0,0,0,6,128,100,110,73,79,0,-13,-59,-39,-39,-39,-59,-19,-25,-16,-16, -14,-11,-28,-41,0,0,0,0,0,-7,0,0,0,0,0,0,23,0,65,-41,-40,-45,-40,-85,-100,-277, -269,-278,-275,-245,-139,-568,-538,-548,-535,-813,-810,-917,-912,-1657,-4133, -1233]} 1. d4 Nf6 2. c4 e6 3. g3 d5 4. Bg2 Bb4+ 5. Bd2 Be7 6. Nf3 O-O 7. O-O Nbd7 8. Bf4 c6 9. Nc3 dxc4 10. e4 a5 {E07: Closed Catalan: Main Line (5 Nf3 0-0 6 0-0 Nbd7).} 11. a4 b6 12. Qe2 Ba6 {The position is equal.} 13. Rfd1 Rc8 14. h4 h6 15. Bh3 {Black must now prevent d5.} Re8 16. Qc2 Bb4 17. Bg2 Kh8 18. Bh3 Kg8 19. g4 {[#]} Nf8 $146 ({Predecessor:} 19... b5 20. g5 Nh5 21. Be3 hxg5 22. Nxg5 g6 23. d5 cxd5 24. exd5 e5 25. Be6 Kg7 26. Nxf7 Qf6 27. Bh6+ Kh7 28. Ne4 {1-0 (25) Sulskis,S (2517)-Sveshnikov,V (2416) Vilnius 2017}) 20. g5 Nh5 ( 20... hxg5 $15 21. Bxg5 Qc7) 21. Be3 hxg5 22. Nxg5 Qc7 23. e5 {next Bg4 is good for White.} g6 (23... f5 $1 $11) 24. Nce4 $16 Be7 25. Qe2 c5 {[#]} 26. Qf3 (26. Bg4 $1 $16 {[%CAl Rg4h5]} cxd4 27. Bxd4 (27. Rxd4 Ng7 $16)) 26... Bxg5 $11 27. hxg5 Bb7 28. Bg2 cxd4 29. Bxd4 Nd7 (29... Bxe4 $5 30. Qxe4 Nd7 $15) 30. Nf6+ $1 Nhxf6 31. Qxb7 Nd5 32. Bxd5 exd5 33. Qxd5 Qc6 (33... Nc5 {seems wilder. } 34. Qxc4 Qe7 35. Be3 Qxe5 36. Rac1 Qf5) 34. Qxc6 Rxc6 35. f4 Nc5 36. Bc3 Nd3 37. Rf1 Kf8 38. Kg2 Rc5 39. Kg3 Ra8 40. Rad1 b5 (40... Ke7 $11) 41. Rh1 (41. axb5 $1 $14 Rxb5 42. f5 Nxb2 43. Rd7) 41... Ke7 $15 42. axb5 Rxb5 {Hoping for . ..Rb3.} 43. Rd2 a4 44. Ra1 $2 {[#]} (44. e6 $17 {is a better defense.} Kxe6 45. Kg4) 44... Rb3 $19 {And now ...a3 would win.} 45. Ra3 Rxa3 46. bxa3 {[%mdl 4096] Endgame KRB-KRN} Rb8 (46... Ke6 $19 47. Kf3 Rh8) 47. Kg4 $2 {[%mdl 8192] This move loses the game for White.} (47. Kf3 $17 {nothing else works.}) 47... Ke6 {Black is clearly winning.} 48. Bd4 Rb3 49. Rh2 Kd5 50. Ba7 c3 51. Rh8 c2 52. Rd8+ {Weighted Error Value: White=0.60/Black=0.18} 0-1 [Event "Chinese-ch Women 2020"] [Site "Xinghua"] [Date "2020.12.23"] [Round "5"] [White "Ning, Kaiyu"] [Black "Xiao, Yiyi"] [Result "0-1"] [ECO "E06"] [WhiteElo "2327"] [BlackElo "2301"] [Annotator "TA"] [PlyCount "120"] [EventDate "2020.12.19"] [EventType "tourn"] [EventCountry "CHN"] [SourceTitle "playchess.com"] [Source "ChessBase"] [SourceQuality "1"] {[%evp 13,120,13,18,24,11,15,12,13,12,9,40,34,41,32,24,26,36,-85,-94,-158,-147, -166,-73,-102,-70,-75,-80,-79,-81,-138,-110,-180,-194,-183,-136,-137,-116,-151, -154,-158,-140,-160,-192,-164,-158,-179,-190,-434,-429,-588,-591,-576,-596, -593,-597,-597,-595,-591,-588,-573,-560,-583,-577,-582,-578,-572,-514,-575, -578,-576,-541,-593,-581,-628,-606,-770,-762,-766,-762,-337,-757,-747,-715, -675,0,-737,-649,-754,-722,-782,-809,-789,-757,-785,-617,-788,-785,-1420,-766, -1793,-1597,-6922,-4972,-29953,-29951,-29943,-12824,-29984,-29985]} 1. d4 Nf6 2. c4 e6 3. g3 d5 4. Bg2 Be7 5. Nf3 O-O 6. Nc3 dxc4 7. Ne5 Nc6 8. Bxc6 { E06: Closed Catalan: Early deviations.} bxc6 9. Nxc6 Qe8 10. Nxe7+ {The position is equal.} Qxe7 11. Qa4 Nd5 12. Qxc4 a5 13. Bd2 Ba6 14. Qc5 Qd7 {[#]} 15. O-O-O $146 (15. b3 $14 {keeps the upper hand.}) ({Predecessor:} 15. f3 Rfb8 16. Rb1 Rb6 17. Kf2 Rc6 18. Qa3 Nb6 19. Be3 Nc4 20. Qb3 Rb6 21. Qc2 {0-1 (35) Goryachkina,A (2592)-Dubov,D (2699) Sochi 2020}) 15... Nxc3 $17 16. Qxc3 ({ Better is} 16. Bxc3 Bxe2 17. Rd2) 16... Bxe2 17. Rde1 {[#]} Qb5 (17... Qd5 $1 $19 {has better winning chances.} 18. Kb1 (18. b3 a4) 18... Bc4) 18. Qc5 {[#]} Qb7 $1 19. Rhg1 Bf3 $40 {[%mdl 128] Black goes for the king.} 20. Re3 Bd5 21. Ra3 (21. Kb1 $142) 21... Rfb8 22. Bc3 (22. Qc2 $17) 22... a4 $19 23. Qe7 Ra6 { Hoping for ...Rb6.} 24. Qg5 h6 25. Qd2 Be4 26. Re1 Bg6 27. g4 Rd8 28. Qe3 Qb5 29. f4 Rad6 30. Qe2 $2 (30. b4 {is a better defense.}) 30... Qc6 31. Rf1 { and the idea f5 leaves White hopeful.} Rxd4 32. f5 exf5 33. gxf5 {[#]} Bxf5 { [%mdl 512]} 34. Rxf5 Rd1+ {[%mdl 64] Decoy} 35. Qxd1 Rxd1+ 36. Kxd1 {And now Re5 would win.} Qd7+ {[%mdl 64] Double Attack} 37. Ke1 {aiming for Rf4.} Qxf5 38. Rxa4 {[%mdl 4096] Endgame KQ-KRB} Qb1+ 39. Kd2 Qh1 40. h4 Qg2+ 41. Kd3 g5 42. hxg5 hxg5 43. Rd4 g4 44. a4 Qf3+ 45. Kc4 g3 46. Rd8+ Kh7 47. Bd4 Qc6+ 48. Kd3 Qf3+ 49. Kc4 $1 Kg6 50. a5 Kf5 51. b4 Qc6+ 52. Bc5 Qa6+ 53. Kb3 f6 54. Rd1 Kg4 55. Rc1 f5 56. Ka4 c6 57. Kb3 Qd3+ 58. Rc3 Qb1+ 59. Kc4 f4 60. Bd4 f3 { Weighted Error Value: White=0.76/Black=0.19} 0-1 [Event "Chinese-ch Women 2020"] [Site "Xinghua"] [Date "2020.12.23"] [Round "5"] [White "Gu, Xiaobing"] [Black "Tan, Zhongyi"] [Result "0-1"] [ECO "C33"] [WhiteElo "2263"] [BlackElo "2510"] [Annotator "TA"] [PlyCount "42"] [EventDate "2020.12.19"] [EventType "tourn"] [EventCountry "CHN"] [SourceTitle "playchess.com"] [Source "ChessBase"] [SourceQuality "1"] {[%evp 9,42,-10,0,-2,16,-3,7,-112,-93,-125,-125,-146,-101,-271,-198,-218,-159, -260,-220,-336,-277,-599,-598,-603,-560,-1089,-794,-2012,-1973,-1795,-1479, -1467,-1417,-929,-658]} 1. e4 e5 2. f4 exf4 3. Bc4 d5 4. Bxd5 Nf6 5. Nc3 Nxd5 6. Nxd5 {C33: King's Gambit Accepted: 3 Nc3 and 3 Bc4.} g5 {was the old line (6...Bd6).} 7. d3 {[#]} Be6 $146 ({Predecessor:} 7... c6 8. Nc3 Be6 9. h4 Rg8 10. hxg5 Qxg5 11. Qf3 Qxg2 12. Qxg2 Rxg2 13. Nce2 f3 14. Nxf3 {1-0 (38) Grabarczyk,B (2460)-Ulak,S (2390) Poraj 1997}) 8. Nc3 (8. h4 $11) 8... Nc6 $17 {[#]} 9. h4 $1 {[%mdl 512]} Rg8 (9... gxh4 10. Bxf4) 10. Nge2 Bc5 $36 {[%mdl 2048] Black is really pushing.} 11. Na4 $2 (11. hxg5 $17 Qxg5 12. Bxf4 Qxg2 13. Rh2) 11... Bb4+ 12. Bd2 Qe7 13. c3 (13. hxg5 $17 Qxg5 14. Bxb4 Nxb4 15. Qd2 { [%mdl 64] Double Attack}) 13... Bd6 $19 14. d4 (14. Nd4 {might work better.}) 14... Bg4 15. e5 $2 {[#]} (15. Qc2 {is a better chance.}) 15... Bxe5 $1 { [%mdl 512] Black is clearly winning.} 16. dxe5 Nxe5 {[%CAl Bc6e5,Be5d3,Bd3f4] [%mdl 32] aiming for ...0-0-0.} 17. hxg5 O-O-O 18. Rh4 Qxg5 19. Rxg4 Nd3+ 20. Kf1 Qxg4 {[%csl Gg8][%CAl Rg4g2]} 21. Nxf4 Nxf4 {White got outplayed after the opening. Accuracy: White = 26%, Black = 79%.} 0-1 [Event "Chinese-ch Women 2020"] [Site "Xinghua"] [Date "2020.12.23"] [Round "5"] [White "Yan, Tianqi"] [Black "Zhai, Mo"] [Result "0-1"] [ECO "C10"] [WhiteElo "2207"] [BlackElo "2366"] [Annotator "TA"] [PlyCount "118"] [EventDate "2020.12.19"] [EventType "tourn"] [EventCountry "CHN"] [SourceTitle "playchess.com"] [Source "ChessBase"] [SourceQuality "1"] {[%evp 21,118,50,55,61,66,45,40,13,29,0,0,0,0,0,0,-4,0,-19,-21,-29,-17,-21,-17, -16,-17,-12,-13,-16,-9,-28,-6,-41,-47,-36,-44,-50,-18,-16,-12,-13,-15,-38,-8, -9,-9,-35,-37,-49,-35,-66,-7,-72,-8,-8,-8,-8,0,0,0,0,0,-8,-8,-29,-16,-268,-179, -338,-328,-250,-212,-1712,-1777,-1830,-1769,-1754,-1692,-1596,-1468,-29973, -29974,-29971,-29972,-29975,-29976,-29976,-29977,-29979,-29980,-29980,-29981, -29981,-29982,-29982,-29983,-29983,-29982,-29982,-29983]} 1. e4 e6 2. d4 d5 3. Nc3 dxe4 4. Nxe4 Bd7 5. Nf3 Bc6 6. Bd3 Nd7 7. O-O Ngf6 8. Ng3 Be7 9. Re1 Bxf3 10. Qxf3 c6 11. c3 O-O 12. Bc2 {C10: French with 3 Nc3: Unusual Black 3rd moves and 3...dxe4.} Re8 13. Bg5 Qb6 {[#]} 14. Qd3 $146 {White is slightly better.} ({Predecessor:} 14. b4 Rad8 15. Re2 Qb5 16. h4 Nd5 17. Rae1 N7f6 18. a3 Qc4 19. Bxf6 Bxf6 20. Ne4 Bxh4 {1-0 (28) Bulmaga,I (2149)-Manelidou,M (1885) Chalkidiki 2007}) 14... Rad8 15. Nh5 g6 16. Nxf6+ Bxf6 17. Bxf6 Nxf6 18. Rab1 Kg7 19. Qg3 c5 20. dxc5 Qxc5 21. Rbd1 Qc4 22. Rxd8 Rxd8 23. Bb3 {[%CAl Rb3c4]} Qc5 {Threatening ...Rd2.} 24. Qf4 h6 25. h3 g5 26. Qc1 Nh5 27. Rd1 {[#]} Nf4 $1 28. Qe3 Rxd1+ (28... Qc6 {is interesting.} 29. f3 Rxd1+ 30. Bxd1 Qd6 31. Be2 b6 ) 29. Bxd1 Qxe3 30. fxe3 $15 {[%mdl 4096] Endgame KB-KN} Nd3 31. b3 Kf6 32. Kf1 Ke5 33. Bc2 Nc5 34. Ke2 f5 35. b4 Nd7 (35... Ne4 $15 36. Bxe4 Kxe4) 36. a4 (36. c4 $11 {remains equal.}) 36... h5 ({Black should try} 36... b6 $17) 37. a5 $11 h4 38. c4 g4 39. Ba4 Nf6 40. Bc2 Ne8 41. Bb1 Nc7 42. b5 Kd6 43. Kd3 $2 { [%mdl 8192] [#] This move loses the game for White.} (43. e4 $1 $11) 43... Kc5 44. Kc3 $2 (44. b6 axb6 45. axb6) 44... Ne8 $19 45. Bd3 Nd6 46. hxg4 $2 (46. Kb3) 46... fxg4 47. Be2 h3 48. gxh3 gxh3 49. Bf3 b6 50. axb6 axb6 {Black mates. } 51. Kd3 Nxc4 52. Ke2 Kxb5 53. Kf2 Kc5 54. Be4 b5 {[%CAl Bb6b5,Bb5b4][%mdl 32] } 55. Bc2 b4 56. Kg3 Nxe3 57. Bb3 e5 58. Kxh3 Kd4 59. Kg3 Nf1+ {Weighted Error Value: White=0.49/Black=0.11} 0-1 [Event "Chinese-ch Women 2020"] [Site "Xinghua"] [Date "2020.12.23"] [Round "5"] [White "Hu, Yu A."] [Black "Ni, Shiqun"] [Result "0-1"] [ECO "A29"] [WhiteElo "2094"] [BlackElo "2389"] [Annotator "TA"] [PlyCount "98"] [EventDate "2020.12.19"] [EventType "tourn"] [EventCountry "CHN"] [SourceTitle "playchess.com"] [Source "ChessBase"] [SourceQuality "1"] {[%evp 13,98,16,16,0,-6,0,-2,-3,-10,-27,-16,-10,-4,-32,-18,-28,-20,-43,-47,-55, -39,-44,-52,-48,-24,-37,-24,-39,-44,-88,-42,-77,-16,-9,-9,-59,-37,-82,-79,-131, -120,-192,-190,-187,-172,-350,-349,-310,-219,-188,-175,-172,-160,-197,-197, -200,-181,-185,-185,-235,-218,-237,-224,-289,-285,-373,-379,-449,-416,-670, -758,-735,-707,-1793,-925,-1735,-1543,-2580,-904,-5683,-5583,-5583,-4914,-5704, -4718,-4714,-4702]} 1. c4 Nf6 2. Nc3 e5 3. g3 Bc5 4. Bg2 O-O 5. Nf3 Nc6 6. d3 d6 7. O-O a6 8. Bg5 {A29: English Opening: Four Knights Variation with 4 g3.} h6 9. Bxf6 Qxf6 10. Nd5 {The position is equal.} Qd8 11. Rb1 Ba7 12. b4 Ne7 13. Nd2 c6 14. Nxe7+ Qxe7 {[#]} 15. b5 $146 ({Predecessor:} 15. a4 Be6 16. Qb3 Rad8 17. b5 axb5 18. axb5 d5 19. bxc6 bxc6 20. Qa4 Qd7 21. Rfc1 {0-1 (50) Farley,T (2251)-Harper,R (2244) Hastings 2013}) 15... axb5 16. cxb5 d5 17. bxc6 bxc6 18. Qc2 Be6 19. Rfc1 Rfc8 20. Nb3 Bb6 21. Rb2 Qa3 22. Rcb1 Bd4 (22... c5 $17) 23. Nxd4 $11 exd4 24. Qb3 Ra7 {[%CAl Ba8a7,Ba7b7,Bb7b5][%mdl 32]} 25. Qb6 c5 { [%CAl Bc6c5,Bc5c4,Bc4c3][%mdl 32] White is on the road to losing.} 26. Qd6 ({ Better is} 26. Rd2) 26... c4 $36 {[%mdl 2048] Black is really pushing.} 27. Qe5 (27. Qxa3 $17 {is a better defense.} Rxa3 28. Rc2) 27... c3 $19 ({Weaker is} 27... cxd3 28. Bxd5 Bxd5 29. Qxd5 $15) 28. Rc2 Qa4 29. Rbc1 $2 (29. Rcc1 { was the only chance.}) 29... Rb7 {[#] White must now prevent ...Qxc2!} 30. Bxd5 Rb5 31. e4 Bxd5 32. exd5 Rd8 33. Qc7 Rbxd5 34. Re2 R5d7 35. Qf4 Qb5 36. Rd1 Rc8 37. a4 Qxa4 38. Rde1 Rf8 39. Re8 {[#] Rxf8+ would kill now.} Rd8 40. Rxd8 Rxd8 {[%mdl 4096] Endgame KQR-KQR} 41. Qc7 (41. Qe5 $142) 41... Re8 {Black is clearly winning.} 42. Rb1 Qa2 43. Rb5 Qe2 {Threatens to win with ...c2.} 44. Rf5 Qe6 45. Rc5 Qg6 (45... Qh3 $142 46. Re5 Rc8) 46. Qd7 Re1+ 47. Kg2 Qxd3 48. Rc8+ Kh7 {( -> ...f5)} 49. Qxf7 Qe4+ {Accuracy: White = 41%, Black = 76%.} 0-1 [Event "Chinese-ch Women 2020"] [Site "Xinghua"] [Date "2020.12.23"] [Round "5"] [White "Yuan, Ye"] [Black "Guo, Qi"] [Result "1/2-1/2"] [ECO "E04"] [WhiteElo "2081"] [BlackElo "2418"] [Annotator "TA"] [PlyCount "60"] [EventDate "2020.12.19"] [EventType "tourn"] [EventCountry "CHN"] [SourceTitle "playchess.com"] [Source "ChessBase"] [SourceQuality "1"] {[%evp 20,60,12,16,19,12,16,17,26,22,24,24,24,24,24,21,23,22,26,0,0,0,0,0,5,0, 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,6]} 1. d4 Nf6 2. c4 e6 3. g3 d5 4. Bg2 dxc4 5. Nf3 c5 6. O-O Nc6 7. dxc5 Qxd1 8. Rxd1 Bxc5 9. Nbd2 c3 10. bxc3 O-O 11. Nb3 Be7 {E04: Open Catalan: 5 Nf3.} 12. Nfd4 Nxd4 13. cxd4 Nd5 14. Na5 Bd7 15. Nxb7 Ba4 {[#]} 16. Rd3 $146 ({Predecessor:} 16. Rf1 Rfc8 17. e4 Nc3 18. Re1 Bc6 19. Nc5 Bb5 20. Bf3 Bxc5 21. dxc5 Rxc5 22. Be3 {1/2-1/2 (42) Wang,H (2737)-Yu,Y (2738) Danzhou 2019}) 16... Rfc8 17. Nc5 Bxc5 18. dxc5 Rxc5 19. Bxd5 (19. Be3 { looks sharper.} Rc2 20. Bxd5 exd5 21. Rxd5 Rxe2 22. Ra5) 19... Rxd5 {The position is equal.} 20. Rxd5 exd5 $11 {[%mdl 4096] Endgame KRB-KRB} 21. Bb2 f6 22. Rc1 Bb5 23. e3 Bc4 24. Bd4 Bxa2 25. Ra1 Bc4 26. Rxa7 Rxa7 27. Bxa7 h5 28. f3 g5 29. Kf2 Kf7 30. h4 gxh4 {An uneventful encounter. Weighted Error Value: White=0.02/Black=0.01} 1/2-1/2 [Event "Chinese-ch Women 2020"] [Site "Xinghua"] [Date "2020.12.24"] [Round "6.1"] [White "Guo, Qi"] [Black "Tan, Zhongyi"] [Result "1/2-1/2"] [ECO "A21"] [WhiteElo "2418"] [BlackElo "2510"] [Annotator "TA"] [PlyCount "71"] [EventDate "2020.12.19"] [EventType "tourn"] [EventCountry "CHN"] [SourceTitle "playchess.com"] [Source "ChessBase"] [SourceQuality "1"] {[%evp 9,71,3,15,22,37,37,37,34,41,35,39,40,50,44,50,40,45,47,36,0,70,81,68,60, 96,83,85,68,97,76,85,51,69,67,79,71,96,83,79,38,38,38,45,30,38,31,30,23,38,24, 14,0,38,8,38,38,38,38,38,0,38,0,42,0]} 1. d4 d6 2. c4 e5 3. Nc3 exd4 4. Qxd4 Nc6 5. Qd2 g6 6. b3 {A21: English Opening: 1...e5 2 Nc3.} Bg7 7. Bb2 Nf6 8. g3 O-O 9. Nf3 Re8 10. Bg2 {[#]} Ne4 $146 ({Predecessor:} 10... a5 11. O-O Bf5 12. Rad1 Qd7 13. Rfe1 Ne4 14. Nxe4 Bxe4 15. Bxg7 Kxg7 16. Qc3+ f6 17. a3 Re7 { 1-0 (76) Le,Q (2709)-Bortnyk,O (2598) Lichess.org INT 2020}) 11. Nxe4 Rxe4 12. O-O Re8 13. Bxg7 Kxg7 14. Nd4 Bd7 ({Better is} 14... Nxd4 $11 15. Qxd4+ Qf6 16. Qxf6+ Kxf6) 15. Nb5 Be6 16. Rad1 a6 17. Nc3 f6 18. Rfe1 Qe7 19. Qb2 h5 20. h4 Rab8 21. f4 Qf7 22. e4 Bg4 23. Rd2 Ne7 24. Nd5 Nxd5 25. cxd5 Kh7 26. Rf2 Qg7 27. Rc1 Re7 28. Rfc2 Rf8 29. Qd4 Rff7 30. b4 Qf8 (30... f5 $5 {[%CAl Rg7d4]} 31. Qxg7+ Kxg7 $11) 31. Kh2 Qe8 32. Re1 Qa4 33. Qc3 Qe8 34. Qd4 Qa4 35. Qc3 Qe8 36. Qd4 {Weighted Error Value: White=0.11/Black=0.11} 1/2-1/2 [Event "Chinese-ch Women 2020"] [Site "Xinghua"] [Date "2020.12.24"] [Round "6.2"] [White "Xiao, Yiyi"] [Black "Gu, Xiaobing"] [Result "1-0"] [ECO "D00"] [WhiteElo "2301"] [BlackElo "2263"] [Annotator "TA"] [PlyCount "87"] [EventDate "2020.12.19"] [EventType "tourn"] [EventCountry "CHN"] [SourceTitle "playchess.com"] [Source "ChessBase"] [SourceQuality "1"] {[%evp 9,87,3,0,0,4,0,2,0,20,10,20,12,12,7,15,10,10,3,33,5,17,15,31,28,36,38, 125,122,122,60,190,194,228,210,310,251,228,176,176,168,169,170,170,169,203,196, 192,178,193,195,186,152,158,153,146,146,146,148,158,157,157,151,487,481,635, 639,621,612,654,602,2221,2056,2585,1674,12834,12827,2143,1057,1075,810]} 1. d4 {Sagar Shah} Nf6 2. Nf3 g6 3. Nc3 d5 4. Bf4 Bg7 5. Nb5 Na6 {[%CAl Bb8a6,Ba6c7, Bc7e8,Be8d6,Bd6e4][%mdl 32]} 6. e3 {D00:1 d4 d5: Unusual lines.} c6 7. Nc3 Nc7 8. h3 {The position is equal.} Bf5 9. Be2 O-O 10. O-O {[#]} Nce8 $146 ({ Predecessor:} 10... Rc8 11. Bh2 Ne4 12. Nxe4 Bxe4 13. c3 Re8 14. Qb3 Rb8 15. Ne5 Bf5 16. Rfd1 Be6 {1/2-1/2 (55) Aronian,L (2802)-Vachier Lagrave,M (2804) Tbilisi 2017 CBM 181 [Sagar Shah]}) 11. a4 a5 12. Rc1 Nd6 13. b3 Qb6 14. Re1 Rfe8 15. Bf1 Nfe4 16. Nxe4 Nxe4 17. c4 dxc4 ({Black should try} 17... Qb4 $14) 18. bxc4 ({But not} 18. Bxc4 $6 Nd6 $14) 18... Qb2 19. Qe2 (19. Re2 $16 Qb4 20. g4) 19... Qb4 (19... Qxe2 $14 20. Bxe2 f6) 20. g4 $18 Bc8 21. Qc2 {Strongly threatening Rb1.} f5 (21... e5 $142) 22. Bd3 e5 23. Nxe5 {And now gxf5 would win.} Nc5 24. Ra1 Bxe5 25. Bxe5 {Threatens to win with Bd6.} ({Stronger than} 25. dxe5 Nxd3 26. Qxd3 fxg4 $11) 25... Nxd3 26. Qxd3 fxg4 {[#]} 27. c5 $1 { Black must now prevent Reb1.} b5 28. Reb1 Qc4 29. Qxc4+ bxc4 30. hxg4 Rf8 31. Rb6 Bxg4 32. Rxc6 Bf3 {[#]} 33. Rc7 {[%CAl Rc7g7] Intending Rg7+ and mate.} Rf7 34. Rxf7 Kxf7 $16 {[%mdl 4096] Endgame KRB-KRB} 35. Rc1 Be2 $2 {This costs Black the game.} (35... h5 $16 {is more resistant.} 36. Rxc4 Rc8) 36. f3 $18 { White is clearly winning.} Ke6 37. Kf2 Bd3 {If Black can now play ...Rf8 this consolidates a bit.} 38. e4 g5 39. Ke3 Ra7 40. Rh1 Rf7 41. Rh6+ Kd7 42. c6+ Kd8 43. c7+ (43. d5 $142 Bc2 44. d6 Bxa4 45. Rf6 Bxc6 46. Rxf7) 43... Kc8 44. Rb6 { Weighted Error Value: White=0.08/Black=0.34} 1-0 [Event "Chinese-ch Women 2020"] [Site "Xinghua"] [Date "2020.12.24"] [Round "6.3"] [White "Song, Yuxin"] [Black "Ning, Kaiyu"] [Result "1-0"] [ECO "C07"] [WhiteElo "2290"] [BlackElo "2327"] [Annotator "TA"] [PlyCount "79"] [EventDate "2020.12.19"] [EventType "tourn"] [EventCountry "CHN"] [SourceTitle "playchess.com"] [Source "ChessBase"] [SourceQuality "1"] {[%evp 23,79,38,69,22,18,14,18,12,11,14,36,38,220,220,204,204,265,262,357,246, 235,270,260,261,258,246,239,131,133,132,167,168,167,167,167,167,167,162,158, 146,402,402,402,402,399,388,379,372,351,289,464,438,453,453,918,916,593,366]} 1. e4 e6 2. d4 d5 3. Nd2 c5 4. exd5 Qxd5 5. Ngf3 cxd4 6. Bc4 Qd6 7. O-O Nf6 8. Nb3 Nc6 9. Nbxd4 Nxd4 10. Nxd4 a6 11. Re1 Qc7 12. Bb3 Bd6 13. h3 {C07: French Tarrasch: 3...c5, 4 Ngf3 and 4 exd5 Qxd5.} (13. Nf5 $5 Bxh2+ 14. Kh1 $11) 13... O-O 14. Bg5 Bh2+ 15. Kf1 {The position is equal.} Bf4 16. Bxf6 gxf6 17. Qh5 { [#]} f5 $146 (17... Kh8 $14) ({Predecessor:} 17... Kh8 18. g3 Be5 19. c3 f5 20. g4 Bxd4 21. cxd4 Bd7 22. Qh6 Rg8 23. Qf6+ Rg7 {1/2-1/2 (51) Li,R (2538) -Popilski,G (2564) Arlington 2016}) 18. Nf3 $18 {aiming for Ng5.} Kg7 19. g3 Bh6 20. Rad1 $1 Rd8 21. Rxd8 Qxd8 22. g4 $1 {[%CAl Rg4g5]} fxg4 23. hxg4 { And now g5 would win.} Bf4 24. g5 Bd7 25. Re4 (25. Qh4 $1 $18 {[%CAl Rh4f4]} Bd6 26. Rd1 (26. Qd4+ Kg8 $14)) 25... Bb5+ $16 {[#]} 26. Kg2 $1 Qc7 {With the idea ...Bc6.} 27. Qh6+ Kg8 {Black wants to play ...Bc6.} 28. Qf6 $40 {[%mdl 128] White goes for the king.} e5 29. Nxe5 Bxe5 30. Qxe5 Qxe5 31. Rxe5 Re8 $2 { [%mdl 8192] This move loses the game for Black.} (31... Bc6+ $16 {was necessary.} 32. Kg3 Rd8) 32. Rxe8+ $18 Bxe8 {[%mdl 4096] Endgame KB-KB} 33. Bd5 b6 34. Kg3 Kg7 35. Bc4 a5 {[#]} 36. Bd3 $1 h6 $2 (36... Bc6 37. Kf4 f6 38. gxf6+ {[%mdl 64] Overworked Piece} Kxf6 39. Bxh7 Be8) 37. gxh6+ {White is clearly winning.} Kxh6 38. Kf4 f6 (38... Kh5 $142 39. Be2+ Kh4) 39. Kf5 Kg7 40. Ke4 {Weighted Error Value: White=0.11/Black=0.42} 1-0 [Event "Chinese-ch Women 2020"] [Site "Xinghua"] [Date "2020.12.24"] [Round "6.4"] [White "Ni, Shiqun"] [Black "Li, Xueyi"] [Result "1-0"] [ECO "B10"] [WhiteElo "2389"] [BlackElo "2328"] [Annotator "TA"] [PlyCount "59"] [EventDate "2020.12.19"] [EventType "tourn"] [EventCountry "CHN"] [SourceTitle "playchess.com"] [Source "ChessBase"] [SourceQuality "1"] {[%evp 9,59,19,29,31,59,57,48,62,54,63,52,35,87,89,114,122,121,94,111,96,140, 145,128,133,178,91,205,204,199,187,249,239,239,210,608,597,547,412,683,675,641, 612,644,736,811,800,2069,1974,29991,29992,29992,29993]} 1. e4 c6 2. Nf3 d5 3. d3 g6 4. e5 Bg7 5. d4 c5 6. dxc5 {B10: Caro-Kann: 2 d3 and 2 c4.} Nc6 7. Bb5 Bg4 8. O-O {White is slightly better.} e6 9. Bxc6+ bxc6 {[#]} 10. Bf4 $146 ({ Predecessor:} 10. Re1 Ne7 11. c3 Qc7 12. Bf4 Rb8 13. b4 a5 14. a3 O-O 15. Nbd2 d4 16. cxd4 axb4 17. axb4 Rxb4 {0-1 (41) Rakotomaharo,F (2422)-Yoo,C (2455) Chess.com INT 2020}) 10... Qa5 (10... Qe7 $14) 11. Qd2 $16 Qxc5 {[#]} 12. Nd4 h5 13. Re1 Qb6 14. Nc3 {[%CAl Bb1c3,Bc3a4,Ba4c5][%mdl 32]} Ne7 15. Na4 Qc7 16. Nc5 Nf5 17. c3 (17. f3 $18) 17... h4 (17... Bf8 $16) 18. h3 $18 Bh5 19. b4 O-O (19... a6 $142 20. Nxf5 gxf5) 20. Nxf5 gxf5 21. Bh6 Qd8 $2 (21... Kh7) 22. Bg5 Qc7 23. Qd4 a5 (23... f4 $142 24. Qxf4 Bg6 25. Qxh4 Bxe5) 24. Qxh4 Bg6 25. Bf6 axb4 26. cxb4 ({Weaker is} 26. Bxg7 Kxg7 27. cxb4 Qd8 $18) 26... Ra3 27. Rad1 Rfa8 28. Rd4 Bxf6 29. exf6 Qd8 {[#]} 30. Nd7 $1 {[%mdl 512] Weighted Error Value: White=0.12/Black=0.79} 1-0 [Event "Chinese-ch Women 2020"] [Site "Xinghua"] [Date "2020.12.24"] [Round "6.5"] [White "Zhai, Mo"] [Black "Hu, Yu A."] [Result "1-0"] [ECO "A14"] [WhiteElo "2366"] [BlackElo "2094"] [Annotator "TA"] [PlyCount "40"] [EventDate "2020.12.19"] [EventType "tourn"] [EventCountry "CHN"] [SourceTitle "playchess.com"] [Source "ChessBase"] [SourceQuality "1"] {[%evp 11,40,0,12,0,0,-8,55,54,75,38,41,31,140,41,44,50,37,44,33,25,58,13,9,26, 31,24,50,18,78,81,164]} 1. Nf3 Nf6 2. g3 d5 3. Bg2 e6 4. c4 Be7 5. O-O O-O 6. b3 {[%CAl Bb2b3,Bb3b4][%mdl 32]} d4 7. Bb2 {A14: English Opening: 1...e6 with b3 by White.} c5 8. b4 {[#]} Ne8 $146 (8... Nc6 $11) ({Predecessor:} 8... Nc6 9. b5 Na5 10. d3 Bd6 11. Nbd2 h6 12. e3 e5 13. Re1 Qc7 14. Qc2 Bd7 15. exd4 exd4 {1/2-1/2 (44) So,W (2760)-Harikrishna,P (2731) Kolkata 2019}) 9. d3 $14 { White is slightly better.} f6 10. Nbd2 e5 11. bxc5 Nd7 {[#]} ({Black should play} 11... Na6 $14) 12. Nb3 (12. e3 $1 $16) 12... Nxc5 13. Nxc5 Bxc5 14. Nd2 Rb8 15. Nb3 Be7 16. e3 dxe3 17. fxe3 Be6 18. Rc1 Nd6 19. Qe2 (19. c5 $5 { [%CAl Rc5d6]} Nf7 20. d4 $16) 19... e4 (19... b6 $11) 20. dxe4 $16 b5 { Weighted Error Value: White=0.24/Black=0.31} (20... Nf7 $16) 1-0 [Event "Chinese-ch Women 2020"] [Site "Xinghua"] [Date "2020.12.24"] [Round "6.6"] [White "Yuan, Ye"] [Black "Yan, Tianqi"] [Result "1/2-1/2"] [ECO "D00"] [WhiteElo "2081"] [BlackElo "2207"] [Annotator "TA"] [PlyCount "81"] [EventDate "2020.12.19"] [EventType "tourn"] [EventCountry "CHN"] [SourceTitle "playchess.com"] [Source "ChessBase"] [SourceQuality "1"] {[%evp 9,81,0,0,0,0,-12,-10,-7,-2,-1,0,6,2,-11,18,12,0,0,0,0,0,2,60,30,39,29, 56,47,68,45,44,42,52,21,39,17,23,-5,0,-4,13,-4,12,0,75,94,70,16,16,0,0,0,0,0,0, -32,50,46,166,147,137,0,0,0,0,0,0,-143,0,0,0,-129,0,0]} 1. d4 d5 2. Bf4 Nf6 3. e3 c5 4. c3 Qb6 5. Qb3 c4 6. Qc2 {D00:1 d4 d5: Unusual lines.} g6 7. Nd2 Bf5 8. Qc1 Nc6 9. h3 Bg7 10. Ngf3 O-O 11. Be2 Rfc8 12. g4 {[#]} Bd7 $146 ({ Predecessor:} 12... Bd3 13. Bxd3 cxd3 14. O-O Qa6 15. Qd1 Nd7 16. Nb3 f6 17. g5 e5 18. gxf6 Bxf6 19. dxe5 Bxe5 20. Nxe5 Ncxe5 {1/2-1/2 (59) Voiska,M (2321) -Galunova,T (2166) Pleven 2016}) 13. Ne5 Be6 14. Bf3 Qd8 15. Qd1 Na5 (15... Nxe5 $11 16. Bxe5 Qd7) 16. h4 Ne8 17. g5 Nc6 18. Ng4 b5 {[%CAl Bb7b5,Bb5b4] [%mdl 32]} 19. a3 a5 20. h5 b4 21. hxg6 hxg6 22. Nh6+ Kf8 23. Bg2 bxc3 24. bxc3 Nd6 25. Qf3 Qd7 26. Bh3 Rcb8 (26... Bxh3 $11 27. Bxd6 Be6) 27. Bxe6 $16 Qxe6 28. Bxd6 (28. Rh4 $14) 28... exd6 $11 29. Kf1 Rb2 30. Nxc4 dxc4 31. Qxc6 Rab8 32. Qf3 R2b3 (32... R8b5 $15) 33. Rh4 $14 R8b5 (33... Bxh6 $14 34. gxh6 Qe7) 34. Re4 $18 Qd7 {[#]} 35. Rf4 (35. d5 $1 $16) 35... Bxh6 $11 36. gxh6 {Hoping for h7.} Rh5 $1 {[%CAl Rh5h6]} 37. Qa8+ $1 Qe8 38. Qg2 (38. Qa6 $11) 38... Qe6 {[%mdl 1024] Black has strong compensation.} 39. Qa8+ Qe8 40. Qg2 {[#] And now Qxg6 would win.} Qe6 ({Better is} 40... Kg8 $1 $17 41. Rf6 Rxc3) 41. Qa8+ { Weighted Error Value: White=0.17/Black=0.26} 1/2-1/2 [Event "Chinese-ch Women 2020"] [Site "Xinghua"] [Date "2020.12.25"] [Round "7.1"] [White "Yan, Tianqi"] [Black "Guo, Qi"] [Result "1/2-1/2"] [ECO "C84"] [WhiteElo "2207"] [BlackElo "2418"] [Annotator "TA"] [PlyCount "102"] [EventDate "2020.12.19"] [EventType "tourn"] [EventCountry "CHN"] [SourceTitle "playchess.com"] [Source "ChessBase"] [SourceQuality "1"] {[%evp 16,102,22,-18,105,38,33,14,21,23,36,32,119,123,135,131,141,142,122,36, 43,0,0,0,0,0,0,-14,-12,-20,-10,-10,-6,-66,-62,-60,-40,-43,-42,-39,-25,-31,-25, -22,-20,-20,-20,-23,-24,-31,0,0,0,0,0,0,0,0,0,-23,-23,-23,-12,-30,-27,-63,0,0, 0,-3,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0]} 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. d4 exd4 6. O-O Be7 7. e5 Ne4 8. Nxd4 Nc5 {[#]} 9. Nf5 $1 g6 { C84: Closed Ruy Lopez: Unusual White 6th moves.} (9... O-O $1 $11) 10. Bxc6 ( 10. Nxe7 $16 Nxe7 11. Nc3 Nxa4 12. Nxa4) 10... dxc6 $14 11. Nxe7 Qxe7 12. Bh6 Rg8 13. f4 {[#]} Ne4 $146 {[#]} (13... Bf5 $14) ({Predecessor:} 13... Ne6 14. Nc3 Qh4 15. Ne4 Qxh6 16. Nf6+ Kf8 17. Rf3 Rh8 18. Qd2 c5 19. c3 b6 {1/2-1/2 (27) Nataf,I-Ledger,A (2330) Paris 1993}) 14. Nd2 $1 $16 {[%CAl Rd2e4]} Qc5+ 15. Kh1 Bf5 ({Not} 15... Nf2+ $2 {[#]} 16. Rxf2 $1 {[%mdl 512]} Bf5 17. Qe1 $18 ) 16. Nxe4 Bxe4 17. c3 (17. Rc1 $16) 17... Rd8 $14 18. Qe2 (18. Qe1 {seems wilder.} Bf5 19. b3 Rd3 20. Rd1 Qd5 21. Rxd3 Qxd3 22. Rf2) 18... Bd3 $36 { [%mdl 2048] Black has good play.} 19. Qf2 Qxf2 20. Rxf2 Bf5 21. h3 Rd3 22. Bg5 h5 23. Rff1 c5 24. c4 (24. Rfd1 $11) 24... Kd7 $15 25. Rfd1 {Strongly threatening Rxd3+.} Kc6 (25... Rd4 {with more complications.} 26. Kg1 Be6 27. Rac1 Ra8 28. a4 Kc6) 26. Rxd3 Bxd3 {[%mdl 4096] Endgame KRB-KRB} 27. Rc1 Bf5 28. Kg1 Be6 29. Kf2 b5 30. cxb5+ $1 axb5 31. Be7 c4 32. Rd1 Re8 33. Bb4 Bd5 34. a3 Be6 35. Kf3 Bd5+ (35... Rh8 {looks sharper.} 36. Be7 Bd5+ 37. Kf2 Be4 38. Rd4 Bd3) 36. Kf2 Be4 37. Re1 Bf5 38. Rd1 Bd3 39. Re1 Kd5 40. e6 fxe6 (40... Rxe6 $15 41. Rxe6 Kxe6) 41. Re5+ $11 {The position is equal.} Kc6 42. Kf3 Kb6 43. Bc5+ Ka5 44. Bb4+ Ka4 45. Rc5 c6 46. Rxc6 e5 $1 47. Bc3 exf4 48. Ra6+ Kb3 { aiming for ...g5.} 49. Rb6 Ka4 50. Ra6+ Kb3 {Hoping for ...g5.} 51. Rb6 Ka4 { Weighted Error Value: White=0.13/Black=0.14} 1/2-1/2 [Event "Chinese-ch Women 2020"] [Site "Xinghua"] [Date "2020.12.25"] [Round "7.2"] [White "Hu, Yu A."] [Black "Yuan, Ye"] [Result "1/2-1/2"] [ECO "C10"] [WhiteElo "2094"] [BlackElo "2081"] [Annotator "TA"] [PlyCount "62"] [EventDate "2020.12.19"] [EventType "tourn"] [EventCountry "CHN"] [SourceTitle "playchess.com"] [Source "ChessBase"] [SourceQuality "1"] {[%evp 14,62,41,35,54,46,37,45,46,46,43,41,47,40,39,45,38,43,55,25,25,25,25,18, 47,26,33,0,0,0,0,0,0,0,0,0,0,0,6,0,0,0,0,0,0,0,0,0,0,0,0]} 1. e4 e6 2. d4 d5 3. Nd2 dxe4 4. Nxe4 Bd7 5. Nf3 Bc6 6. Bd3 Nd7 7. O-O Ngf6 8. Ng3 g6 {C10: French with 3 Nc3: Unusual Black 3rd moves and 3...dxe4.} 9. b3 Bg7 10. Ba3 Bf8 { White is slightly better.} 11. Bb2 Bg7 12. c4 O-O 13. Qe2 Bxf3 14. Qxf3 c6 15. Rad1 a5 16. a3 Re8 17. Rfe1 {[#]} Qb6 $146 ({Predecessor:} 17... Qc7 18. Bb1 Rad8 19. Nf1 b5 20. Ne3 bxc4 21. bxc4 e5 22. d5 Nc5 23. Qe2 Rb8 24. d6 Qb6 25. Bc3 Qb3 26. Bxa5 Qxa3 {1-0 (63) Giri,A (2779)-Bareev,E (2643) Amsterdam 2019}) 18. Bc2 Rad8 19. Bc3 Qc7 20. h3 b5 {The position is equal.} 21. Ne4 (21. Rc1 { keeps more tension.} Rc8 22. Bb2 Rb8 23. cxb5 Rxb5 24. Bd1) 21... a4 22. cxb5 axb3 23. Bxb3 {[#] Hoping for bxc6.} Nxe4 24. Rxe4 {Black should prevent bxc6.} cxb5 25. Bb4 Nf6 26. Ree1 Qb8 27. d5 (27. h4 {seems wilder.} h5 28. Bc5 Qa8 29. Qe2 Nd5 30. Qf3) 27... Nxd5 28. Bxd5 Rxd5 29. Rxd5 exd5 30. Rxe8+ Qxe8 31. Qxd5 h5 {Weighted Error Value: White=0.06/Black=0.03} 1/2-1/2 [Event "Chinese-ch Women 2020"] [Site "Xinghua"] [Date "2020.12.25"] [Round "7.3"] [White "Li, Xueyi"] [Black "Zhai, Mo"] [Result "1/2-1/2"] [ECO "E11"] [WhiteElo "2328"] [BlackElo "2366"] [Annotator "TA"] [PlyCount "62"] [EventDate "2020.12.19"] [EventType "tourn"] [EventCountry "CHN"] [SourceTitle "playchess.com"] [Source "ChessBase"] [SourceQuality "1"] {[%evp 17,62,0,11,0,11,10,2,-16,16,0,-5,-18,8,17,17,15,17,17,18,25,25,23,22,13, 13,15,18,18,18,15,14,0,4,0,22,0,2,0,6,8,8,8,10,10,10,10,11]} 1. d4 Nf6 2. c4 e6 3. g3 Bb4+ 4. Bd2 a5 5. Bg2 d6 6. Nf3 Nbd7 7. O-O e5 8. Bg5 exd4 9. Nxd4 O-O 10. a3 {E11: Bogo-Indian.} Bc5 11. Nc3 h6 12. Bf4 Re8 {[#]} (12... a4 $5) 13. Nb3 $146 ({Predecessor:} 13. Rc1 Ne5 14. Na4 Ng6 15. Nxc5 dxc5 16. Nb5 Nxf4 17. gxf4 Qe7 18. Nc3 c6 19. e3 {1-0 (60) Severino,S (2364)-Tin,J (2464) chess.com INT 2020}) 13... Bb6 14. Na4 Qe7 15. Nxb6 Nxb6 16. Rc1 Qxe2 17. c5 dxc5 18. Bxc7 Na4 19. Nxc5 Nxc5 20. Qxe2 {The position is equal.} Rxe2 21. Rxc5 Rxb2 22. Bxa5 Be6 23. Bb4 Rb8 24. h3 b6 25. Rcc1 Bd5 26. Bd6 Re8 27. Rb1 Ree2 28. Rxb2 Rxb2 29. Be5 Rb3 30. Bxf6 Bxg2 31. Kxg2 {[#] Be7 is the strong threat.} gxf6 { An uneventful encounter. Weighted Error Value: White=0.05/Black=0.05} 1/2-1/2 [Event "Chinese-ch Women 2020"] [Site "Xinghua"] [Date "2020.12.25"] [Round "7.4"] [White "Ning, Kaiyu"] [Black "Ni, Shiqun"] [Result "1/2-1/2"] [ECO "C07"] [WhiteElo "2327"] [BlackElo "2389"] [Annotator "TA"] [PlyCount "61"] [EventDate "2020.12.19"] [EventType "tourn"] [EventCountry "CHN"] [SourceTitle "playchess.com"] [Source "ChessBase"] [SourceQuality "1"] {[%evp 35,61,0,0,0,0,0,0,0,0,0,68,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0]} 1. e4 e6 2. d4 d5 3. Nd2 c5 4. exd5 Qxd5 5. Ngf3 cxd4 6. Bc4 Qd6 7. O-O Nf6 8. Nb3 Nc6 9. Nbxd4 Nxd4 10. Nxd4 a6 11. Re1 Qc7 12. Bb3 Bd6 13. Nf5 Bxh2+ 14. Kh1 O-O 15. Nxg7 Rd8 16. Qf3 Kxg7 17. Bh6+ Kg6 18. c3 Nh5 $1 (18... Kxh6 19. Qxf6+ Kh5 20. g4+ Kxg4 {[#]} 21. Rg1+ $1 {[%mdl 512]} Bg3 22. Rxg3+ Qxg3 23. fxg3) 19. Bc1 { White wants to mate with Qg4+. C07: French Tarrasch: 3...c5, 4 Ngf3 and 4 exd5 Qxd5.} Bf4 {Hoping for ...Bxc1.} 20. g4 Bxc1 21. gxh5+ Kg7 22. Raxc1 {Strongly threatening h6+.} b5 23. h6+ (23. Rg1+ $14 Kf8 24. Qe3 (24. Qf6 Bb7+ 25. f3 Qc5 $17)) 23... Kf8 $11 {aiming for ...Bb7!The position is equal.} 24. Qf6 { Rg1 is the strong threat.} Bb7+ 25. Kg1 $1 {Threatening mate with Rxe6.} Qc6 { [%csl Gb7][%CAl Rc6h1]} 26. Qg7+ {[%mdl 64] [#] Double Attack} Ke8 {[%csl Gb7] [%CAl Rc6h1]} 27. Qg8+ Ke7 {[%csl Gb7][%CAl Rc6h1]} 28. Qg5+ {[#]} Ke8 $146 { [%csl Gb7][%CAl Rc6h1]} ({Predecessor:} 28... Kd7 29. Rcd1+ Kc7 30. Qe5+ Kb6 31. Qe3+ Ka5 32. Kf1 Qg2+ 33. Ke2 Qg4+ 34. f3 Qg2+ 35. Qf2 Bxf3+ 36. Ke3 Qxf2+ 37. Kxf2 Bxd1 38. Bxd1 Rd2+ {0-1 (38) Avsitidiysky,A (1881)-Melas,R (2132) Nicosia 2015}) 29. Qg8+ {[%mdl 64] Double Attack} Ke7 {[%csl Gb7][%CAl Rc6h1]} 30. Qg5+ Ke8 {[%csl Gb7][%CAl Rc6h1]} 31. Qg8+ {[%mdl 64] Double Attack. An uneventful encounter. Weighted Error Value: White=0.09/Black=0.09} 1/2-1/2 [Event "Chinese-ch Women 2020"] [Site "Xinghua"] [Date "2020.12.25"] [Round "7.5"] [White "Gu, Xiaobing"] [Black "Song, Yuxin"] [Result "0-1"] [ECO "B23"] [WhiteElo "2263"] [BlackElo "2290"] [Annotator "TA"] [PlyCount "114"] [EventDate "2020.12.19"] [EventType "tourn"] [EventCountry "CHN"] [SourceTitle "playchess.com"] [Source "ChessBase"] [SourceQuality "1"] {[%evp 9,114,0,0,-4,0,0,0,0,0,-4,-4,-10,-13,-21,-25,-47,-17,-88,-83,-83,-15, -47,-31,-111,-62,-58,-59,-87,-102,-92,-93,-94,-94,-90,-83,-127,-117,-127,-97, -129,-95,-252,-228,-255,-206,-218,-213,-487,-493,-531,-314,-307,-288,-313,-297, -494,-462,-546,-191,-200,-197,-189,-189,-193,-196,-342,-339,-318,-333,-324, -319,-325,-323,-318,-295,-368,-372,-370,-375,-710,-698,-680,-679,-607,-350, -351,-298,-537,-443,-506,-341,-356,-334,-527,-522,-584,-587,-585,-583,-550, -541,-544,-519,-1018,-1010,-957,-950]} 1. e4 c5 2. Nc3 Nc6 3. Bb5 Nd4 4. Bc4 a6 5. a4 e6 6. Nf3 {B23: Closed Sicilian: Lines without g3.} Nf6 $1 {6...Nf6 is better than 6...Ne7.} 7. Ba2 {[#]} d6 $146 ({Predecessor:} 7... d5 8. exd5 exd5 9. Nxd4 cxd4 10. Ne2 d3 11. cxd3 Bd6 12. h3 O-O 13. d4 Re8 {1-0 (55) Kalegin,E (2462)-Bukavshin,I (2408) Nabereznye Chelny 2010}) 8. d3 {The position is equal.} Nc6 9. O-O Be7 10. Qe2 O-O 11. Bg5 Bd7 12. Rfd1 Qb6 13. Rab1 (13. Bb3 $11) 13... Nd4 $17 14. Qd2 Qb4 (14... Bc6 $17) 15. a5 Nc6 16. Qf4 ({Better is} 16. Ra1 $15) 16... Nh5 17. Qh4 Bxg5 18. Nxg5 Nf6 19. f4 h6 (19... Nxa5 20. e5 $11) 20. Nf3 Nd4 (20... Nxa5 21. g4 $11) 21. Nxd4 cxd4 22. Ne2 Qxa5 23. Bb3 e5 24. f5 Bc6 25. g4 $2 {This costs White the game.} (25. Ng3 $17 {was necessary.} ) 25... d5 $19 26. Ng3 Qd8 {[%CAl Rd5e4]} 27. Re1 dxe4 28. dxe4 (28. Nxe4 { was the only defense.} Nxe4 29. Qxd8 Rfxd8 30. dxe4) 28... d3 29. g5 Qd4+ 30. Kg2 hxg5 31. Qxg5 d2 ({Weaker is} 31... Nxe4 32. Rxe4 Bxe4+ 33. Kh3 $15) 32. Rf1 (32. Rg1) 32... Bxe4+ 33. Kh3 Bf3 $2 34. Rxf3 {[#] Strongly threatening Rd1.} d1=Q 35. Rxd1 Qxd1 36. Rd3 Qe1 37. Nh5 (37. Rd6 $142 Nh7 38. Qh5) 37... Qf1+ 38. Kh4 {[%csl Gh5][%CAl Rg5g7]} Nxh5 39. Qxh5 Qf4+ 40. Kh3 Qh6 41. Qxh6 gxh6 {[%mdl 4096] Endgame KRR-KRB} 42. Rd6 Kg7 43. f6+ Kg6 44. Bd5 $2 (44. Rb6) 44... Rad8 45. Be4+ Kg5 46. Rb6 Rd2 {White must now prevent ...Kf4.} 47. Kg3 Rg8 48. h4+ (48. Bh7 $142 Rgd8 49. h4+ Kh5 50. Rxb7) 48... Kh5+ 49. Kh3 { intending Bf3+.} Rf2 {( -> ...Rf4!)} 50. Bd5 Rf8 ({Not} 50... Rxc2 $2 51. Bf3+ (51. Bxf7+ Rg6 $11) 51... Rg4 52. Bxg4+ Kg6 53. Bf3 $18) 51. Bxb7 (51. Rxb7 { keeps fighting.} Rxf6 52. Re7) 51... Rf4 {Hoping for ...Rg8.Black is clearly winning.} 52. Bxa6 {and the idea Be2+ leaves White hopeful.} Rxh4+ 53. Kg3 Rg8+ 54. Kf3 Rf4+ 55. Ke3 Rg3+ 56. Kd2 (56. Ke2 $142 Kg5 57. Bb7) 56... Rf2+ 57. Be2+ Kg5 {Weighted Error Value: White=0.50/Black=0.31} 0-1 [Event "Chinese-ch Women 2020"] [Site "Xinghua"] [Date "2020.12.25"] [Round "7.6"] [White "Tan, Zhongyi"] [Black "Xiao, Yiyi"] [Result "1-0"] [ECO "B01"] [WhiteElo "2510"] [BlackElo "2301"] [Annotator "TA"] [PlyCount "91"] [EventDate "2020.12.19"] [EventType "tourn"] [EventCountry "CHN"] [SourceTitle "playchess.com"] [Source "ChessBase"] [SourceQuality "1"] {[%evp 12,91,36,18,32,26,27,14,18,13,52,56,62,59,56,53,58,37,37,29,33,0,60,0, 27,25,54,39,40,31,58,0,15,7,36,0,84,27,68,59,73,78,78,68,116,123,165,164,258, 244,228,226,238,219,373,343,347,362,302,269,270,279,435,396,523,532,765,776, 758,740,840,769,1182,1061,1366,1301,1303,1230,1199,1177,1926,1786]} 1. e4 d5 2. exd5 Qxd5 3. Nc3 Qa5 4. d4 Nf6 5. Bc4 Bf5 6. Bd2 c6 7. Nge2 {7.Nd5 is becoming the main line.} e6 {[#] B01: Scandinavian Defence.} 8. Ne4 $1 Qd8 (8... Qc7 9. Nxf6+) 9. N4g3 Bg6 {[#] The position is equal.} 10. h4 $146 ({Predecessor:} 10. c3 Nbd7 11. Nf4 Nd5 12. Nxg6 hxg6 13. Qf3 Qf6 14. Be2 Be7 15. Qxf6 gxf6 16. Ne4 {1/2-1/2 (51) Ristic,N (2480)-Savic,M (2493) Budva 2003}) 10... b5 11. Bb3 Be4 12. Nxe4 Nxe4 13. Be3 Nd7 14. Qd3 Nef6 15. a4 a6 16. h5 Bd6 (16... h6 $11) 17. c3 (17. h6 $14) 17... Nd5 18. Bd2 N7f6 19. Bc2 h6 20. Kf1 Qc7 21. Re1 (21. axb5 $14 cxb5 22. Qf3) 21... Rb8 22. axb5 cxb5 23. Rh4 Kd7 (23... a5 $11 {remains equal.}) 24. Ra1 (24. Qf3 $16) 24... Rb6 25. Bb3 Rc8 26. Qf3 {Hoping for Bxd5. Black is now going downhill.} Qb7 27. Nc1 Kc7 28. Nd3 Kb8 29. Nc5 {[%mdl 64] Deflection} Bxc5 (29... Qc6 {is a better defense.} 30. Bxd5 exd5) 30. dxc5 $18 Rxc5 31. Qg3+ {[%mdl 64] Double Attack} e5 32. Qxg7 Qe7 $2 (32... Ne7 {was called for.}) 33. Re1 Nd7 {[#]} 34. Rd4 {[%mdl 512]} N5f6 35. Rd3 (35. Bxf7 Rc8 $16) (35. Bxh6 Nxh5 36. Qh8+ Rc8 $16) (35. Qxh6 Ne4 $18) 35... e4 36. Rh3 ({ Less strong is} 36. Bxh6 Nxh5 37. Qg8+ Rc8 $16) (36. Qxh6 Rxh5 37. Qf4+ Kb7 $11 ) (36. Bxf7 Ne5 $15) 36... Rf5 (36... Rxh5 $142 37. Qh8+ (37. Bxh6 Rxh3 38. gxh3 Kb7 $16) (37. Qxf7 Qxf7 38. Bxf7 Rxh3 $16) (37. Bxf7 Rxh3 38. gxh3 h5 $16) 37... Qf8 38. Qxf8+ Nxf8 39. Rxh5 (39. Bxf7 Rxh3 40. gxh3 h5 $16) 39... Nxh5 40. Bxf7 Nf6 41. Bxh6 Ne6) 37. Be3 Rc6 38. g4 {White is clearly winning.} Rd5 39. Bxd5 Nxd5 40. Bxh6 Re6 41. Qd4 Re5 42. Be3 N7f6 43. h6 Nh7 44. Rh5 Rxh5 45. gxh5 Qe6 46. Qh8+ {Weighted Error Value: White=0.14/Black=0.38} 1-0 [Event "Chinese-ch Women 2020"] [Site "Xinghua"] [Date "2020.12.27"] [Round "8.1"] [White "Guo, Qi"] [Black "Xiao, Yiyi"] [Result "1-0"] [ECO "D85"] [WhiteElo "2418"] [BlackElo "2301"] [Annotator "TA"] [PlyCount "107"] [EventDate "2020.12.19"] [EventType "tourn"] [EventCountry "CHN"] [SourceTitle "playchess.com"] [Source "ChessBase"] [SourceQuality "1"] {[%evp 19,107,24,17,8,58,30,60,62,54,38,110,94,109,98,92,102,111,104,133,147, 147,141,154,137,170,165,179,168,165,163,177,142,147,135,130,120,203,147,152, 150,145,129,129,100,124,51,42,24,35,12,45,45,45,45,45,45,46,47,51,23,54,44,89, 46,315,313,327,344,347,335,581,579,718,701,762,758,672,676,10531,9639,5680, 29961,29966,29970,29970,29972,29970,29973,29973,29974]} 1. d4 {Atalik,S} Nf6 2. c4 g6 3. Nc3 d5 4. cxd5 Nxd5 5. e4 Nxc3 6. bxc3 c5 7. Nf3 Bg7 8. Be3 Qa5 9. Qd2 O-O 10. Rc1 Rd8 11. h4 {D85: Exchange Grünfeld: Unusual White 7th moves and lines with 7 Nf3.} Nc6 12. d5 e6 13. h5 {White is slightly better.} exd5 14. hxg6 $1 hxg6 (14... dxe4 $2 15. gxh7+ Kh8 16. Bh6 $1 $16) ({Black should try} 14... fxg6 $14 15. exd5 Ne5) 15. Bh6 $1 $16 {[%CAl Rh6g7] aiming for Bxg7.} ( 15. exd5 Bg4 $11) 15... Bh8 16. Bg5 Bg7 {...Re8 is the strong threat.} (16... dxe4 17. Rxh8+ $1 {[%mdl 512]} Kxh8 18. Bf6+ Kh7 19. Qg5 $18) 17. Bxd8 Qxd8 18. exd5 Ne7 19. c4 Nf5 20. Bd3 Nd6 21. Qf4 {[#]} Qe7+ $146 ({Predecessor:} 21... b5 22. cxb5 c4 23. Bxc4 Nxc4 24. Qxc4 Qa5+ 25. Kf1 a6 26. Qc6 Qxb5+ 27. Kg1 Bb7 28. Qxb5 axb5 {1/2-1/2 (68) Atalik,S (2545)-Rajkovic,M (2359) Belgrade 2017 CBM 182 [Atalik,S]}) 22. Kf1 Qf6 23. Qxf6 Bxf6 24. g3 Bd7 25. Nd2 Rc8 26. Ne4 Nxe4 27. Bxe4 Bd4 (27... b5 $16) 28. Kg2 a6 29. Rhd1 b6 30. Bf3 Kf8 31. Re1 b5 32. d6 (32. Be4 $16) 32... Be6 $14 {[#]} 33. Rxe6 $1 fxe6 {[%mdl 4096] Endgame KRB-KRB} 34. d7 Rd8 35. Bc6 b4 36. Rh1 Ke7 37. Rh7+ Kd6 38. Ba4 g5 39. f3 Rf8 { [#]} 40. Rf7 $1 Rd8 (40... Rg8 41. Kh3) 41. Kf1 Kc7 $2 {[%mdl 8192] [#] Loses the game.} ({Better is} 41... Rg8 $14) 42. Re7 $1 $18 Kd6 43. Re8 Bf6 44. Ke2 Ke5 $2 (44... a5 {might work better.} 45. Ke3 g4) 45. Ke3 Kd6 46. Ke4 Be7 47. g4 Bf6 48. f4 Be7 49. f5 exf5+ 50. gxf5 a5 {White mates.} 51. Kf3 Rxd7 52. Bxd7 Kxd7 53. Ra8 Kd6 54. Ra6+ {Weighted Error Value: White=0.08/Black=0.30} 1-0 [Event "Chinese-ch Women 2020"] [Site "Xinghua"] [Date "2020.12.27"] [Round "8.2"] [White "Song, Yuxin"] [Black "Tan, Zhongyi"] [Result "1/2-1/2"] [ECO "C95"] [WhiteElo "2290"] [BlackElo "2510"] [Annotator "TA"] [PlyCount "65"] [EventDate "2020.12.19"] [EventType "tourn"] [EventCountry "CHN"] [SourceTitle "playchess.com"] [Source "ChessBase"] [SourceQuality "1"] {[%evp 21,65,25,21,19,19,21,27,4,39,33,46,16,30,7,76,78,100,96,111,104,122,108, 111,93,119,86,92,78,74,122,108,119,145,100,102,121,250,201,218,127,116,0,214,0, 118,0]} 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Re1 b5 7. Bb3 d6 8. c3 O-O 9. h3 Nb8 10. d4 Nbd7 11. Nbd2 {[%CAl Bb1d2,Bd2f1,Bf1g3][%mdl 32]} c5 12. Nf1 {C95: Closed Ruy Lopez: Breyer Variation with 10 d4.} Re8 13. Ng3 Bf8 14. Bc2 {White has an edge.} g6 15. d5 {[#]} c4 $146 ({Predecessor:} 15... Bg7 16. Be3 Nb6 17. b3 Bb7 18. Qe2 Rc8 19. a4 c4 20. a5 Nbd7 21. b4 Nf8 {1-0 (46) Jacobs,F (1456)-Roncagliolo,M (1596) FICGS email 2010}) 16. Bg5 Bg7 17. Nd2 Nc5 (17... Qc7 $11) 18. b4 $16 cxb3 19. axb3 h6 {[#]} 20. Be3 Qc7 21. Qe2 Ncd7 22. Bd3 Rb8 23. b4 h5 24. Rec1 h4 25. Ngf1 Nh5 26. c4 {[%CAl Rc4b5]} bxc4 27. Bxc4 Nf4 28. Qf3 Qb7 (28... Rxb4 $16 {is a better defense.} 29. Bxa6 {[%mdl 64] Discovered Attack} Nc5) 29. Bxa6 Qxb4 30. Rcb1 ({Better is} 30. Be2 $18) 30... Qc3 {[#] ...Rxb1 is the strong threat.} 31. Rc1 (31. Bxc8 $16 Rbxc8 32. Ra6) 31... Qb4 $1 $18 32. Rcb1 (32. Bc4 $18) 32... Qc3 $16 {Threatens to win with .. .Rxb1.} 33. Rc1 {Weighted Error Value: White=0.31/Black=0.19} ({White should play} 33. Bxc8 $16 Rbxc8 34. Ra6) 1/2-1/2 [Event "Chinese-ch Women 2020"] [Site "Xinghua"] [Date "2020.12.27"] [Round "8.3"] [White "Ni, Shiqun"] [Black "Gu, Xiaobing"] [Result "1-0"] [ECO "B51"] [WhiteElo "2389"] [BlackElo "2263"] [Annotator "TA"] [PlyCount "79"] [EventDate "2020.12.19"] [EventType "tourn"] [EventCountry "CHN"] [SourceTitle "playchess.com"] [Source "ChessBase"] [SourceQuality "1"] {[%evp 10,79,43,27,25,34,70,17,80,81,81,78,76,67,121,118,126,121,134,133,143, 83,87,68,73,81,68,37,29,29,46,47,53,20,58,11,41,38,41,34,56,31,42,0,42,15,28, 35,22,0,0,0,0,0,0,0,21,-29,122,148,369,398,488,470,485,479,478,418,29961,6295, 6391,6391]} 1. e4 c5 2. Nf3 d6 3. Bb5+ Nc6 4. O-O Bd7 5. Re1 Nf6 6. h3 Ne5 { B51: Sicilian: Moscow Variation (3 Bb5+) without 3...Bd7.} 7. Bxd7+ Qxd7 8. b3 {[#]} (8. Nxe5 $14 dxe5 9. d3) 8... O-O-O $146 (8... Nxf3+ $11 {remains equal.} 9. Qxf3 g6) ({Predecessor:} 8... e6 9. Bb2 Qc7 10. d3 Be7 11. Nxe5 dxe5 12. Nd2 O-O 13. Nc4 Nd7 14. a4 g6 {0-1 (41) Kalvaitis,S (2245)-Erdogdu,M (2440) Kemer 2007}) 9. Nxe5 $16 dxe5 10. Bb2 Qc7 11. d3 Rg8 (11... Ne8 $14) 12. Qf3 e6 13. Na3 Bd6 14. Nb5 Qb6 15. Nxd6+ (15. a4 $142) 15... Qxd6 16. a3 Nd7 17. b4 (17. Qxf7 $2 Nf6 $19) 17... f6 18. bxc5 Nxc5 19. a4 {[%CAl Ba3a4,Ba4a5][%mdl 32]} Kb8 20. Reb1 Rc8 21. Ba3 Qd4 22. Bb4 Rgd8 23. Ra2 {[%CAl Ba1a2,Ba2b2,Bb2b4] [%mdl 32]} Rc6 24. a5 Rdc8 25. Bd2 R8c7 26. Rab2 Qd8 {Threatening ...Na4.} 27. Be3 Na4 28. Rb4 Nc3 29. R1b2 Rd7 30. Qh5 g6 31. Qf3 Rf7 32. d4 f5 33. dxe5 { aiming for exf5.} (33. exf5 $5 {[%CAl Rf3c6]} e4 34. Qf4+ Ka8 35. Qg5 Qxg5 36. Bxg5 gxf5 37. Bd2 $15) 33... f4 (33... Qd1+ $11 34. Qxd1 Nxd1) 34. Bd4 { [%mdl 64] Discovered Attack} Nb5 {[#] A mistake that costs the game.} (34... Qc8 $16 35. R4b3 (35. a6 b6 $14) 35... Na4) 35. Qb3 $1 $18 a6 {[#]} ({Avoid the trap} 35... Nxd4 $2 36. Rxb7+ Kc8 37. Rb8+ Kd7 38. Qa4 $18) (35... Rcc7 36. Rxb5) 36. c4 $1 {[%CAl Rc4b5]} Qxd4 37. cxb5 {[%mdl 64] Discovered Attack} Rc1+ 38. Kh2 Qxe5 (38... Qd1 $18 39. Qxd1 Rxd1 40. bxa6 Rdd7) 39. bxa6 {[%CAl Rb4b7] } f3+ 40. g3 {Weighted Error Value: White=0.13/Black=0.46} 1-0 [Event "Chinese-ch Women 2020"] [Site "Xinghua"] [Date "2020.12.27"] [Round "8.4"] [White "Zhai, Mo"] [Black "Ning, Kaiyu"] [Result "1-0"] [ECO "A07"] [WhiteElo "2366"] [BlackElo "2327"] [Annotator "TA"] [PlyCount "87"] [EventDate "2020.12.19"] [EventType "tourn"] [EventCountry "CHN"] [SourceTitle "playchess.com"] [Source "ChessBase"] [SourceQuality "1"] {[%evp 10,87,0,0,14,7,43,30,45,22,78,81,135,140,133,125,138,125,120,121,276, 258,265,262,379,372,375,343,377,342,344,331,297,255,363,375,400,410,440,407, 395,391,445,437,410,418,413,210,326,9,475,475,633,624,619,631,623,622,600,591, 550,552,530,500,487,471,1135,1095,1023,975,1489,1245,1208,970,12840,12840, 12840,12840,12844,12844]} 1. Nf3 d5 2. g3 g6 3. Bg2 Bg7 4. O-O e5 5. d3 Ne7 6. c4 dxc4 {A07: Réti Opening: New York and Capablanca Systems.} 7. dxc4 Qxd1 8. Rxd1 c6 {White has an edge.} 9. Nc3 f5 (9... O-O $11) 10. e4 $16 {[#]} fxe4 $146 ({Better is} 10... Na6) ({Predecessor:} 10... Be6 11. b3 h6 12. Bb2 Nd7 13. Rd6 Kf7 14. Rad1 Nc5 15. Nh4 f4 16. b4 Na6 {0-1 (59) Zikan,K (1704) -Gumularz,S (2233) Brno 2015}) 11. Nxe4 O-O 12. b3 $36 {[%mdl 2048] White has strong initiative.} Bf5 13. Nh4 Bxe4 14. Bxe4 Nf5 $2 (14... a5 $16 15. Ba3 Re8) 15. Bxf5 $18 gxf5 16. Ba3 Na6 (16... Re8 $142 17. Nxf5 Bf8) 17. Bxf8 Rxf8 18. b4 Nxb4 19. Rd7 b6 20. Rb1 (20. Rxa7 Nd3 $18) 20... c5 21. Rbd1 f4 (21... e4 { was necessary.} 22. Rd8 (22. Rxa7 Bd4 $16) 22... Nd3 23. Rxf8+ Bxf8 24. Nxf5 Ne5) 22. Rxa7 fxg3 23. hxg3 e4 {and the idea ...Bd4 leaves Black hopeful.} 24. g4 {Black must now prevent Rdd7.} Nc6 25. Rb7 Rf4 26. Nf5 Bd4 27. Rxb6 Ne5 28. Rb8+ ({Weaker is} 28. Nxd4 cxd4 29. c5 (29. Rb8+ Kf7 $16) 29... Kf7 $18) 28... Kf7 29. Rdb1 $2 ({Less strong is} 29. Nxd4 cxd4 30. Rb7+ Ke6 $16) (29. a4 $18) 29... Rxg4+ $2 {[%mdl 8192]} (29... Bxf2+ $11 30. Kf1 Bd4+ 31. Ke2 Rf2+ 32. Kd1 e3 33. R1b7+ Kf6) 30. Kf1 {White is clearly winning.} Rf4 31. R1b7+ Ke6 32. Ng7+ Kd6 33. Ne8+ {[%mdl 64] [#] Discovered Attack} Ke6 34. Nc7+ Kf5 35. Rf8+ Kg4 36. Rxf4+ Kxf4 {[%mdl 4096] Endgame KRN-KBN} 37. Ne6+ {[%mdl 64] [#] Discovered Attack} Kf5 (37... Kg4 $142 38. a4 Nxc4 39. Rxh7 Bc3 40. Nxc5 e3 41. fxe3 Kf3 42. Rh3+ Kg4) 38. Nxd4+ cxd4 {KR-KN} 39. c5 h5 40. a4 Nc6 41. Rc7 Na5 42. c6 Ke6 43. Rc8 Nc4 44. Rd8 {White took control after the opening. Weighted Error Value: White=0.32/Black=0.63} 1-0 [Event "Chinese-ch Women 2020"] [Site "Xinghua"] [Date "2020.12.27"] [Round "8.5"] [White "Yuan, Ye"] [Black "Li, Xueyi"] [Result "1/2-1/2"] [ECO "D55"] [WhiteElo "2081"] [BlackElo "2328"] [Annotator "TA"] [PlyCount "85"] [EventDate "2020.12.19"] [EventType "tourn"] [EventCountry "CHN"] [SourceTitle "playchess.com"] [Source "ChessBase"] [SourceQuality "1"] {[%evp 17,85,9,29,28,30,15,22,18,25,19,15,14,14,12,52,47,47,39,75,69,183,179, 188,179,191,184,193,179,191,183,176,90,106,85,85,85,81,96,88,82,86,82,92,81,81, 78,87,83,81,92,100,68,68,68,68,68,68,68,83,93,146,68,68,65,66,8,8,8,66,0]} 1. d4 d5 2. Bf4 Nf6 3. e3 c5 4. dxc5 Nc6 5. Nf3 e6 6. Be2 Bxc5 7. O-O O-O 8. c4 h6 9. Nc3 a6 10. cxd5 {D55: Queen's Gambit Declined: 4 Bg5 Be7: Lines without ... h6 and 6...h6 7 Bxf6.} exd5 11. Rc1 Be6 {[#]} 12. Na4 $146 {The position is equal.} ({Predecessor:} 12. Ne5 Ne7 13. Na4 Ba7 14. Nf3 Rc8 15. Rxc8 Qxc8 16. Be5 Ne4 17. Bd4 Bxd4 18. Nxd4 {1-0 (45) Bergsson,S (2285)-Einarsson,H (2320) Gardabaer 1991}) 12... Ba7 13. Ne5 d4 14. Nxc6 bxc6 15. exd4 ({Avoid the trap} 15. Bxa6 $2 dxe3 16. Qxd8 (16. fxe3 $2 Qxd1 17. Rcxd1 Nd5 $19) 16... exf2+ 17. Kh1 Rfxd8 $19) 15... Qxd4 16. Qxd4 Bxd4 17. Bf3 (17. Rfd1 $5 {[%CAl Rd1d4]} Rfd8 18. b3 $11 (18. Rxc6 Bxa2 19. Rd6 Rxd6 $11)) 17... Bxa2 18. Bxc6 Rac8 {[#] } (18... Ra7 $1 $14) 19. Bd6 $1 $18 Rfd8 20. Be7 Ng4 {Hoping for ...Nxf2!} 21. Bxd8 Rxd8 22. Bb7 Rd6 23. h3 Ne5 24. Kh2 (24. Rc8+ $18 Kh7 25. Re1) 24... g5 25. Be4 Bc4 26. Rfd1 Bb3 27. Bc2 Ng4+ 28. hxg4 Bxc2 29. Rxc2 Be5+ {[%mdl 64] Discovered Attack} 30. f4 $1 Bxf4+ 31. g3 Bxg3+ 32. Kxg3 Rxd1 $16 {[%mdl 4096] Endgame KRN-KR} 33. Nc5 a5 34. b3 Rd5 35. Kf3 {And now Ke4 would win.} f5 36. gxf5 Rxf5+ 37. Ke4 Rf1 38. Ra2 g4 {[#]} (38... Kf7 $142) 39. Rxa5 (39. Rg2 $1 $16) 39... g3 $14 {White must now prevent ...g2.} 40. Ra2 {Threatens to win with Rg2.} h5 41. Ke3 (41. Rg2 $14 h4 42. Ne6) 41... h4 $11 42. Ne4 Rb1 ({ Better is} 42... Kf7 $11) 43. Nxg3 {Blacks defense is rewarded with a draw. Weighted Error Value: White=0.12/Black=0.14} 1/2-1/2 [Event "Chinese-ch Women 2020"] [Site "Xinghua"] [Date "2020.12.27"] [Round "8.6"] [White "Yan, Tianqi"] [Black "Hu, Yu A."] [Result "1-0"] [ECO "B47"] [WhiteElo "2207"] [BlackElo "2094"] [Annotator "TA"] [PlyCount "103"] [EventDate "2020.12.19"] [EventType "tourn"] [EventCountry "CHN"] [SourceTitle "playchess.com"] [Source "ChessBase"] [SourceQuality "1"] {[%evp 24,103,52,51,52,52,53,59,52,52,52,54,54,31,68,70,59,51,53,53,72,0,0,0, 53,0,43,36,80,78,85,85,85,84,84,83,82,81,82,54,83,77,84,86,79,0,0,0,0,0,70,63, 157,135,166,160,156,164,168,185,192,185,166,144,302,292,382,323,12836,12837, 12837,12837,12838,12838,12838,12834,12838,12834,29980,29981,29987,29988]} 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 e6 6. g3 a6 7. Bg2 Qc7 8. O-O Nxd4 9. Qxd4 Bc5 10. Bf4 d6 11. Qd2 h6 12. Rad1 e5 13. Be3 Be6 {B47: Sicilian: Taimanov: 5 Nc3 Qc7 6 f4, 6 g3 and 6 Be2.} 14. Bxc5 dxc5 15. Nd5 Bxd5 {White is slightly better.} 16. exd5 Qd6 17. c4 O-O 18. Rfe1 Rfe8 19. Re2 {[#]} b5 $146 ({Predecessor:} 19... Re7 20. a3 a5 21. Rde1 b6 22. f4 Rae8 23. fxe5 Rxe5 24. Rxe5 Rxe5 25. Rxe5 Qxe5 {1-0 (58) Shyam,S (2530)-Kreisl,R (2439) Zalakaros 2016}) 20. Qd3 Rab8 21. b3 bxc4 22. Qxc4 (22. bxc4 $16 g6 23. Qd2) 22... Rb4 $11 23. Qc2 Rd8 ({Black should play} 23... Rd4 $11) 24. Rc1 ({Better is} 24. Rde1 $14) 24... Rc8 25. Rce1 Nd7 {[#]} 26. Bh3 $1 Rd4 27. Bxd7 Qxd7 28. Rxe5 Rxd5 29. Qc4 Rxe5 30. Rxe5 $16 {[%mdl 4096] Endgame KQR-KQR} Qd6 31. Rf5 Rc7 32. Rd5 Qe7 33. Qxa6 c4 {White must now prevent ...Qe1+.} 34. bxc4 (34. Rd1 $16 ) 34... Qe1+ $11 35. Kg2 {Threatens to win with Rd4.} Qe4+ {[%mdl 64] Double Attack} 36. Kh3 Rxc4 {[#]} (36... Qh1 $11 37. Rd8+ Kh7) 37. Re5 $1 $36 { [%CAl Re5e4][%mdl 2048] White has the initiative.} Qg4+ ({Black should try} 37... Qd4 $14) 38. Kg2 $16 Rc2 39. Qd3 {[%CAl Re5e8]} Rc8 40. Rd5 Qe6 41. Rd8+ Rxd8 42. Qxd8+ $18 {KQ-KQ} Kh7 43. Qa8 f5 $2 {Loses the game.} (43... h5 $16 { was called for.}) 44. a4 {[%CAl Ba2a4,Ba4a5,Ba5a6,Ba6a7][%mdl 32] a5 is the strong threat.} Qc4 45. a5 {Strongly threatening a6.} f4 $2 (45... h5 46. h3 f4 47. gxf4 Qxf4) 46. a6 f3+ 47. Kxf3 Qf1 48. Qe4+ Kh8 49. Qe8+ Kh7 50. a7 Qd3+ 51. Qe3 Qf5+ 52. Kg2 {Weighted Error Value: White=0.09/Black=0.39} 1-0 [Event "Chinese-ch Women 2020"] [Site "Xinghua"] [Date "2020.12.28"] [Round "9.1"] [White "Hu, Yu A."] [Black "Guo, Qi"] [Result "0-1"] [ECO "C03"] [WhiteElo "2094"] [BlackElo "2418"] [Annotator "TA"] [PlyCount "70"] [EventDate "2020.12.19"] [EventType "tourn"] [EventCountry "CHN"] [SourceTitle "playchess.com"] [Source "ChessBase"] [SourceQuality "1"] {[%evp 9,70,7,23,0,0,-6,-10,-14,14,0,0,0,0,-4,-7,-12,0,-8,-21,-24,-16,-7,-7, -39,-25,-32,-25,-67,-31,-22,-18,-25,-29,-26,-43,-35,-31,-79,-81,-102,-43,-41, -33,-30,-34,-63,-29,-34,-22,-21,-25,-56,-7,-17,-10,-14,-6,-10,0,-71,-52,-137, -136]} 1. e4 e6 2. d4 d5 3. Nd2 Be7 4. Ngf3 Nf6 5. Bd3 c5 6. c3 {C03: French Tarrasch: Unusual Black 3rd moves.} cxd4 7. cxd4 dxe4 8. Nxe4 {The position is equal.} Nbd7 9. Nc3 O-O 10. O-O b6 {[%CAl Bb7b6,Bb6b5][%mdl 32]} 11. Ne5 Bb7 12. Qe2 {[#]} a6 $146 ({Predecessor:} 12... Nd5 13. Bd2 N7f6 14. Rad1 Rc8 15. Rfe1 Bb4 16. Ne4 Bxd2 17. Qxd2 Rc7 18. Ng5 h6 {0-1 (49) Salles,L (2129)-De Oliveira,I (1877) Joinville 2014}) 13. Bg5 b5 14. Rfd1 Nd5 15. Bxe7 Qxe7 16. Qh5 {[%csl Gd3][%CAl Rh5h7] [#]} f5 {aiming for ...Nf4.} 17. Nxd5 Bxd5 18. Be2 Rac8 {Strongly threatening ...Nxe5.} 19. Bf3 Nf6 20. Qg5 Rc2 21. Bxd5 Nxd5 22. Qxe7 Nxe7 23. Nd7 Rd8 24. Nc5 Rd6 (24... e5 $17 25. Rdc1 Rxb2) 25. b4 $15 Nd5 26. a3 Nc3 27. Rd3 Rxd4 {[%mdl 64] [#] Decoy} 28. Rxd4 Ne2+ {[%mdl 64] Double Attack} 29. Kf1 Nxd4 30. Nxa6 $11 {[%mdl 4096] Endgame KRN-KRN} e5 31. Nc5 Kf7 32. Re1 $1 e4 33. Rd1 Ne6 34. Rd7+ (34. Nxe6 $11 Kxe6 35. Rd8) 34... Ke8 $17 { White must now prevent ...Rxc5.} 35. Rd5 Rc1+ {Weighted Error Value: White=0. 15/Black=0.10} 0-1 [Event "Chinese-ch Women 2020"] [Site "Xinghua"] [Date "2020.12.28"] [Round "9.2"] [White "Li, Xueyi"] [Black "Yan, Tianqi"] [Result "1-0"] [ECO "E08"] [WhiteElo "2328"] [BlackElo "2207"] [Annotator "TA"] [PlyCount "97"] [EventDate "2020.12.19"] [EventType "tourn"] [EventCountry "CHN"] [SourceTitle "playchess.com"] [Source "ChessBase"] [SourceQuality "1"] {[%evp 22,97,8,20,77,62,88,74,80,69,102,85,74,71,122,101,110,93,91,101,91,83, 104,105,111,107,135,122,122,119,123,113,155,100,157,144,145,130,172,172,237, 238,231,229,241,203,215,200,204,168,168,168,250,250,787,771,727,401,400,400, 400,378,490,374,1003,847,7175,5956,6146,5102,7175,6086,8127,8029,6299,6099, 4167,3535]} 1. d4 d5 2. c4 e6 3. g3 Nf6 4. Bg2 Bb4+ 5. Bd2 Be7 6. Nf3 O-O 7. O-O c6 8. Qc2 b6 9. Ne5 Bb7 10. Rd1 Nbd7 11. Bf4 Rc8 12. Nc3 c5 {E08: Closed Catalan: Main Line: 7 Qc2.} (12... Nh5 $11) 13. cxd5 $16 exd5 14. Qa4 cxd4 { White is better.} 15. Nxd7 {[#]} (15. Rxd4 Nc5 $11) 15... Nxd7 $146 ({ Predecessor:} 15... dxc3 16. Nxf8 Bxf8 17. bxc3 Bc5 18. Bh3 Ra8 19. Be5 Ne4 20. Bd4 Bxd4 21. Qxd4 Qe7 22. Rac1 Rf8 {1-0 (41) Fehr,A (2102)-Briem,S (1865) Reykjavik 2017}) 16. Nxd5 Bxd5 17. Bxd5 Bf6 (17... g5 $142) 18. Qxa7 Rc2 19. Bf3 Ne5 20. Bxe5 Bxe5 21. Rab1 Qc7 22. Qxc7 Rxc7 23. a4 Ra7 24. b3 Rc8 25. Bg4 Rb8 26. Rbc1 Kf8 27. Rc6 ({White should try} 27. Bf5) 27... Ke7 (27... b5 $142) 28. Rdc1 g6 29. R1c4 h5 30. Bf3 f6 (30... Rd7 {was necessary.} 31. Be4 Rd6 32. Rc7+ Kf8) 31. Be4 $18 g5 32. Rb4 Rab7 33. h3 b5 34. Ra6 Rb6 35. Rxb6 Rxb6 { [%mdl 4096] Endgame KRB-KRB} 36. a5 {[%CAl Ba4a5,Ba5a6][%mdl 32]} d3 (36... Rb8 $142 37. Bd3 Kd6 38. Rxb5 Rxb5 39. Bxb5 Kc7) 37. Bxd3 (37. axb6 $2 {perishes.} dxe2 38. Kg2 e1=Q $19) 37... Bc3 $2 {[#]} (37... Rb8 38. Re4 (38. Bxb5 Kd6 $11) 38... Kd6) 38. Re4+ ({Less strong is} 38. axb6 Bxb4 39. Kg2 (39. Bxb5 Kd6 $18) 39... Kd8 $18) 38... Re6 39. Rxe6+ Kxe6 {KB-KB} 40. a6 Bd4 41. Bxb5 h4 42. Kg2 Ke5 $2 {[#]} (42... hxg3 43. e3 Ba7 44. Kxg3 Kf5 45. Bd3+ Ke5 46. f4+ Ke6) 43. Kf3 {White is clearly winning.} f5 44. e3 Bb6 45. g4 Ba7 46. Bd3 fxg4+ 47. Kxg4 Kf6 48. f4 gxf4 49. exf4 {Weighted Error Value: White=0.21/Black=0.34} 1-0 [Event "Chinese-ch Women 2020"] [Site "Xinghua"] [Date "2020.12.28"] [Round "9.3"] [White "Ning, Kaiyu"] [Black "Yuan, Ye"] [Result "1/2-1/2"] [ECO "E01"] [WhiteElo "2327"] [BlackElo "2081"] [Annotator "TA"] [PlyCount "77"] [EventDate "2020.12.19"] [EventType "tourn"] [EventCountry "CHN"] [SourceTitle "playchess.com"] [Source "ChessBase"] [SourceQuality "1"] {[%evp 16,77,31,13,19,10,6,8,16,7,23,29,16,0,19,11,36,27,21,9,12,14,33,24,21, 17,23,13,33,32,40,28,41,44,35,7,20,0,82,0,0,0,30,0,0,-32,-6,-46,-14,-14,-14, -14,-14,-24,-23,-27,-14,-11,-8,-8,-10,-3,-3,-14]} 1. d4 d5 2. c4 e6 3. Nf3 c6 4. Nbd2 Nf6 5. g3 Nbd7 6. Bg2 Bd6 7. O-O O-O 8. Qc2 Re8 9. Re1 {9.e4 is the modern continuation.} e5 {E01: Catalan: Early deviations.} 10. cxd5 cxd5 { Black wants to play ...e4.} 11. dxe5 Nxe5 12. Nxe5 Rxe5 13. Nf3 Re8 {[#]} 14. Qb3 $146 ({Predecessor:} 14. Bg5 h6 15. Bxf6 Qxf6 16. Qd2 Be6 17. Rac1 Rac8 18. Rxc8 Rxc8 19. Rc1 Rxc1+ 20. Qxc1 {1/2-1/2 (45) Kunte,A (2550)-Suvrajit,S (2395) Visakhapatnam 2004}) 14... h6 15. Be3 Qe7 16. Bd4 Be6 17. Bxf6 Qxf6 18. Qxb7 Reb8 19. Qc6 Bb4 20. Reb1 Rc8 21. Qa6 Bc5 22. e3 Rab8 23. b3 Rb6 {[%CAl Bb8b6, Bb6c6,Bc6c3][%mdl 32]} 24. Qe2 Rbc6 25. Rd1 Bb6 $1 26. Ne1 Ba5 (26... Rc3 $11 { remains equal.}) 27. e4 (27. Rab1 $16) 27... dxe4 $11 28. Bxe4 Rc3 29. Rab1 Bb6 {Threatens to win with ...Bg4!} 30. Rd3 R3c7 {[%mdl 1024] Strongly threatening ...Bg4! Black has compensation.} 31. Kg2 Re7 (31... Re8 $5 {[%CAl Re6f5]} 32. Qf3 Qxf3+ 33. Nxf3 Bg4 $17) 32. Qf3 Qe5 33. Rd2 h5 {White must now prevent ... Bg4.} 34. Re2 {Hoping for Bh7+!} Bg4 35. Bh7+ $1 {[%mdl 64] [#] Discovered Attack} Kxh7 36. Rxe5 {aiming for Qd3+.The position is equal.} Bxf3+ 37. Nxf3 Rxe5 38. Nxe5 Rc2 {[%mdl 64] [#] Double Attack} 39. a4 {Weighted Error Value: White=0.12/Black=0.12} 1/2-1/2 [Event "Chinese-ch Women 2020"] [Site "Xinghua"] [Date "2020.12.28"] [Round "9.4"] [White "Gu, Xiaobing"] [Black "Zhai, Mo"] [Result "0-1"] [ECO "B04"] [WhiteElo "2263"] [BlackElo "2366"] [Annotator "TA"] [PlyCount "148"] [EventDate "2020.12.19"] [EventType "tourn"] [EventCountry "CHN"] [SourceTitle "playchess.com"] [Source "ChessBase"] [SourceQuality "1"] {[%evp 25,148,-10,0,-15,-3,0,25,21,19,0,50,41,43,23,82,0,0,0,0,0,0,-25,-27,-68, -75,-93,-54,-66,-50,-56,-66,-65,-57,-101,206,223,411,398,357,0,0,0,0,0,0,0,0, -12,0,-132,-136,-136,-142,-136,-114,-127,-129,-167,-138,-321,-127,-127,-125, -121,-116,-111,-56,-159,-162,-147,-20,-20,-20,-34,-20,-20,-20,-133,-20,-22,0, -90,-90,-150,-20,-20,-27,-35,-8,-8,-8,-8,-8,-1264,-8,-15,-29,-3516,-8,-1946, -1822,-1808,0,-1354,-1377,-1213,-1213,-1213,-1152,-1137,-1137,-1055,-8,-29983, -29974,-29972,-29971,-29980,-29981,-29981,-29982,-29982,-29983,-29982,-29983]} 1. e4 Nf6 2. e5 Nd5 3. d4 d6 4. c4 Nb6 5. Nf3 g6 6. Be3 Bg7 7. exd6 cxd6 8. Nc3 O-O 9. Rc1 Bg4 10. Be2 d5 11. b3 Nc6 12. c5 Nc8 13. O-O {13.h3 injects fresh life into this line.} e6 14. Qd2 {B04: Alekhine's Defence: 4 Nf3.} N8e7 15. Nh4 {[#]} Nc8 $146 ({Predecessor:} 15... Bxe2 16. Nxe2 b6 17. Bh6 bxc5 18. Rxc5 Qb6 19. Rfc1 Rfc8 20. Bxg7 Kxg7 21. Nf3 a5 22. h4 Qb4 23. Qf4 f6 24. h5 g5 25. h6+ Kg6 26. Qg4 Nd8 {1-0 (26) Khukhashvili,S (2341)-Patsia,Z (2107) Tbilisi 2019}) 16. Bg5 {White has an edge.} Bf6 17. f4 Bxe2 (17... Bxd4+ $6 18. Kh1 $16) ( 17... h6 $5 18. Bxg4 hxg5 $11) 18. Nxe2 a5 19. Rc3 a4 (19... Bxg5 $11 20. fxg5 N8e7) 20. Rh3 (20. b4 $1 $16) 20... axb3 $11 21. axb3 Ra3 22. Nf3 Rxb3 23. Qe1 h5 24. Ng3 Bxg5 25. fxg5 Qa5 26. Nxh5 $1 gxh5 27. Qh4 {[%CAl Rh4h5] [#]} Rxf3 $1 28. Rhxf3 (28. gxf3 $2 Qd2 $19) 28... Qd2 29. Rf4 Qe2 {[%mdl 8192]} (29... Qe3+ $1 $17 {keeps the pressure on.} 30. Kh1 N8e7 31. Qxh5 Qd3) 30. g6 $1 $18 { [%CAl Rg6f7]} f5 (30... N8e7) 31. g4 Kg7 32. gxf5 $2 (32. Re1 $1 $18 {[%CAl Re1e2]} Qd2 33. gxh5) 32... exf5 33. Rxf5 Rxf5 34. Rxf5 {White threatens Qf6+ and mate.} Qd1+ 35. Kg2 {White wants to mate with Qf6+.} Qc2+ 36. Qf2 Qe4+ 37. Qf3 (37. Kg1 $11 {remains equal.} Qg4+ 38. Kh1 Qe4+ 39. Kg1 Kxg6 40. Rf8 Qb1+ 41. Kg2 Qe4+ {[%mdl 64] Double Attack} 42. Kg1 Qb1+ 43. Kg2 Qe4+ {[%mdl 64] Double Attack} 44. Kg1) 37... Qxf3+ $1 $17 (37... Kxg6 38. Rxd5 Qxf3+ 39. Kxf3 $14) (37... Nxd4 $6 38. Qxe4 dxe4 39. Rxh5 $11) 38. Rxf3 N8e7 (38... Nxd4 39. Rf7+ Kxg6 40. Rc7 $15) 39. Rb3 Nd8 40. Rb6 Nec6 (40... Nxg6 $6 41. Kg3 $11) 41. Kg3 Kxg6 ({Don't play} 41... Nxd4 42. Kh4 $15) 42. Kf4 $2 (42. Kf3 $17) 42... Kf6 $2 (42... Ne6+ $19 {and Black stays clearly on top.} 43. Ke3 Ncxd4) 43. Ke3 Kf5 44. Rb2 Kg4 45. Rg2+ Kh4 $1 {White must now prevent ...Ne6.} 46. Rg7 {[#]} (46. Rb2 $1 $15) 46... Nxd4 $1 {[%mdl 512]} 47. Rd7 N8c6 (47... N8e6 $17 48. Rxd5 Nb3) 48. Rxd5 $11 Ne6 49. Ke4 Kg4 50. h3+ Kh4 {White should prevent ... Nb4.} 51. Rf5 Ng5+ ({Much worse is} 51... Kxh3 $6 52. Rxh5+ Kg3 53. Rh1 $11) ( 51... Ncd4 $17 52. Re5 Nb3 $1) 52. Ke3 Nxh3 53. Kd3 (53. Rf1 $11 {keeps the balance.}) 53... Kg4 $17 54. Rf8 (54. Rf1 $142) 54... Ng5 (54... h4 $17 { Strongly threatening ...Ng5.} 55. Rf1 Ng5) 55. Kc4 $11 h4 {And now ...h3 would win.} 56. Kb5 h3 {...h2 is the strong threat.} (56... Ne6 {keeps more tension.} 57. Rg8+ Kf3 58. Kb6 Ncd8 59. Rh8 Kg3) 57. Kb6 h2 58. Rf1 Nd8 59. Rd1 $2 { [%mdl 8192] [#]} (59. Kc7 $11) 59... Kg3 $2 60. Kc7 Nge6+ 61. Kc8 $2 {[%mdl 8192]} (61. Kb6 $11 Kh3 62. Rb1) 61... Kf3 $2 (61... Nxc5 $19 {Hoping for ... Nde6.} 62. Kc7 Ne4 $1) 62. Rd3+ $2 {[%mdl 8192]} (62. Rc1 $11) 62... Kg2 63. Rd2+ Kg3 $2 (63... Kh3 $1 $19 64. Rd1 Nxc5 65. Kxd8 b5) 64. Rd3+ $2 {[%mdl 8192]} (64. Rd1 $11 Nxc5 65. Kxd8) 64... Kg4 $1 $19 65. Rd1 Nxc5 66. Kxd8 { [%mdl 4096] Endgame KR-KN} b5 {[%CAl Bb7b5,Bb5b4,Bb4b3,Bb3b2][%mdl 32]} 67. Kc7 b4 68. Kc6 {[#]} Ne4 $2 ({Black should try} 68... Nd3 $1 $19 {[%mdl 512]} 69. Kb5 b3 $1 70. Rxd3 h1=Q 71. Rxb3 Qd5+ 72. Kb4 Qd6+ 73. Kc3 Qd7 74. Rb4+ Kf3) 69. Re1 $2 {[%mdl 8192]} (69. Rh1 $11) 69... Kf3 {Black mates.} 70. Kb5 {[#]} b3 $1 {[%CAl Rb3b2]} 71. Kb4 b2 72. Ka3 Nf2 ({Not} 72... Kf2 73. Rh1 $11) 73. Kb3 Nd3 74. Rd1 {[#]} Kg2 $1 {What a fight! Weighted Error Value: White=0.42/ Black=0.58} 0-1 [Event "Chinese-ch Women 2020"] [Site "Xinghua"] [Date "2020.12.28"] [Round "9.5"] [White "Tan, Zhongyi"] [Black "Ni, Shiqun"] [Result "1-0"] [ECO "B14"] [WhiteElo "2510"] [BlackElo "2389"] [Annotator "TA"] [PlyCount "73"] [EventDate "2020.12.19"] [EventType "tourn"] [EventCountry "CHN"] [SourceTitle "playchess.com"] [Source "ChessBase"] [SourceQuality "1"] {[%evp 10,73,16,9,22,19,17,25,19,17,0,0,23,0,15,-29,-37,-39,-34,-32,-46,-37,0, -56,-22,-27,0,-27,-17,-43,-31,-51,15,14,24,14,45,16,56,43,62,68,73,0,110,71,72, 0,0,0,81,40,331,323,541,520,654,659,618,652,615,627,1688,1667,2323,2278]} 1. c4 c6 2. e4 d5 3. exd5 cxd5 4. d4 Nf6 5. Nc3 g6 6. Qb3 {[%CAl Rc4d5]} e6 {B14: Caro-Kann: Panov-Botvinnik Attack with 5...e6 and 5...g6.} 7. Nf3 Nc6 8. c5 Bg7 {White has an edge.} 9. Bb5 {[#]} O-O $146 ({Predecessor:} 9... Bd7 10. O-O O-O 11. Re1 a6 12. Bxc6 Bxc6 13. Bf4 Nh5 14. Bd6 Re8 15. Na4 Qa5 {1-0 (30) Murphy, J (1223)-Drobotov,G (1828) LSS email 2009}) 10. O-O Ne4 11. Rd1 Bd7 12. Bf4 Nxc3 13. bxc3 Na5 14. Qa4 Bxb5 15. Qxb5 Re8 16. Ne5 (16. c4 $11) 16... Re7 17. Ng4 {Threatening Bg5.} Rd7 18. h4 Nc6 19. Bg5 f6 20. Bf4 h5 ({Better is} 20... f5 $15 21. Nh2 Qxh4) 21. Ne3 $11 Kf7 22. Rab1 Bf8 23. Rb3 Rc8 24. Qe2 Na5 25. Rb5 b6 {[%CAl Rb6c5] [#]} 26. Re1 ({White should play} 26. g4 $1 $16 {[%CAl Rg4h5]}) 26... Rc6 (26... bxc5 $11 {keeps the balance.} 27. g4 cxd4 28. cxd4 Nc6) 27. g4 hxg4 28. Rxa5 bxa5 29. Nxg4 Rb7 (29... Bg7 $1 $11) 30. Qf3 { [%mdl 1024] White has strong compensation.} Be7 $2 {[%mdl 8192] Loses the game. } ({Black should try} 30... Bg7 $1 $14) 31. h5 $18 Qh8 $2 (31... g5) 32. Bg3 { White is clearly winning.} Kg7 {[#]} 33. Ne5 $1 {[%mdl 576] Double Attack} Rc8 34. Nxg6 Qg8 35. Nf4 Kf7 36. Nxe6 Rd7 37. Qf5 {Weighted Error Value: White=0. 16/Black=0.45} 1-0 [Event "Chinese-ch Women 2020"] [Site "Xinghua"] [Date "2020.12.28"] [Round "9.6"] [White "Xiao, Yiyi"] [Black "Song, Yuxin"] [Result "0-1"] [ECO "A12"] [WhiteElo "2301"] [BlackElo "2290"] [Annotator "TA"] [PlyCount "100"] [EventDate "2020.12.19"] [EventType "tourn"] [EventCountry "CHN"] [SourceTitle "playchess.com"] [Source "ChessBase"] [SourceQuality "1"] {[%evp 14,100,5,-12,22,16,42,31,96,40,95,82,77,93,87,36,74,61,73,52,117,126, 129,123,123,138,288,275,272,257,278,101,107,97,106,38,75,83,93,87,92,87,103,59, 100,79,84,83,75,43,87,66,87,33,33,27,15,29,41,25,24,0,0,0,11,0,0,0,13,0,17,4, 15,0,58,57,42,48,53,8,72,0,44,33,58,-357,-361,-336,-387]} 1. Nf3 d5 2. g3 Bg4 3. Bg2 Nd7 4. c4 e6 5. b3 Ngf6 6. Bb2 c6 7. O-O Be7 8. d3 Qc7 {A12: English Opening: 1...c6 with b3 by White.} 9. Qc2 {[#]} Bd6 $146 ({Predecessor:} 9... O-O 10. Nbd2 a5 11. cxd5 exd5 12. e4 Rad8 13. Nd4 dxe4 14. dxe4 Rfe8 15. h3 Bh5 {1/2-1/2 (29) Owens,J (2189)-Kietzmann,S (2096) ICCF email 2016}) 10. Nbd2 e5 ( 10... O-O $14) 11. h3 ({White should try} 11. cxd5 $1 $16 Nxd5 12. d4) 11... Be6 (11... Bxf3 $14 12. Bxf3 O-O) 12. cxd5 $16 cxd5 13. Qxc7 Bxc7 14. Ba3 (14. Rac1 $16 Bd6 15. e4) 14... h6 15. Rac1 Rc8 16. e4 Kd8 ({Better is} 16... dxe4 $1 $14 17. dxe4 (17. Nxe4 Nxe4 18. dxe4 f6 $14) 17... Nb8) 17. exd5 Bxd5 18. Nc4 Re8 19. Ne3 Bxf3 (19... Re6 $16 {is a better defense.}) 20. Bxf3 $18 e4 21. dxe4 Nxe4 22. Rfd1 (22. Nf5 $18 Re5 23. Be7+ $1 {[%mdl 512]} Ke8 24. Bd6 $1 { [%mdl 512]} Nxd6 25. Nxd6+ Bxd6 26. Rxc8+ Ke7 27. Bxb7) 22... Bb6 $16 23. Rxc8+ Kxc8 24. Nc4 (24. Bg4 $16 Nef6 25. Nf5 Nxg4 26. Nd6+ {[%mdl 64] Double Attack} (26. hxg4 Re2 $11 {[%mdl 64] Double Attack}) 26... Kd8 27. Nxf7+ (27. hxg4 Re2 $16) (27. Nxe8 Nxf2 {[%mdl 64] Double Attack} 28. Rxd7+ Kxd7 $11) 27... Kc7 28. Rc1+ (28. hxg4 Nf6 $16) 28... Kb8 29. hxg4) 24... Bc7 25. Kg2 Ndf6 26. Bb2 g6 27. a4 {[%CAl Ba2a4,Ba4a5][%mdl 32]} Nd7 28. a5 Re6 29. b4 a6 30. Bd4 f5 31. Ne3 Ndf6 32. Rc1 {Black must now prevent Bxe4.} Kb8 {[#]} 33. Rc2 (33. Ba7+ $1 $16 Kxa7 34. Rxc7) 33... Be5 $14 34. Bb6 Nd7 35. Nd5 (35. Bxe4 {feels hotter.} Nxb6 36. Bf3 Nc8 37. Rd2 Ne7 38. Nc4) 35... Nxb6 36. Nxb6 {Threatening mate with Rc8+.} Bc7 $1 37. Na4 Bd6 38. Rb2 Be7 39. Nb6 Bd8 40. Nd5 Re5 41. Ne3 Bc7 42. Nc4 Re6 43. g4 f4 (43... fxg4 $11 44. hxg4 Ng5) 44. b5 axb5 45. Rxb5 Ka7 46. Rb4 Nc5 (46... g5 $11) 47. Rb5 (47. Bd5 $5 {[%CAl Rb4b5]} Re7 48. Rb5 $14) 47... Ne4 48. Nb2 Ka6 49. Be2 {[%mdl 8192]} (49. Rd5 $14) 49... f3+ $1 $19 { [%mdl 64] Decoy} 50. Kxf3 {Strongly threatening Re5+.} Nd2+ {Never resign too early! Weighted Error Value: White=0.39/Black=0.22} 0-1 [Event "Chinese-ch Women 2020"] [Site "Xinghua"] [Date "2020.12.29"] [Round "10.1"] [White "Guo, Qi"] [Black "Song, Yuxin"] [Result "1-0"] [ECO "D37"] [WhiteElo "2418"] [BlackElo "2290"] [Annotator "TA"] [PlyCount "121"] [EventDate "2020.12.19"] [EventType "tourn"] [EventCountry "CHN"] [SourceTitle "playchess.com"] [Source "ChessBase"] [SourceQuality "1"] {[%evp 14,121,20,28,25,37,31,23,16,18,32,27,35,23,13,10,25,21,13,13,14,7,32,0, 0,0,0,0,90,87,91,45,44,31,31,9,59,58,64,54,79,79,79,66,79,79,79,79,79,79,79,79, 79,79,79,0,0,0,5,0,1,0,143,167,148,73,75,8,8,0,0,0,233,0,8,8,8,0,34,25,63,55, 93,83,129,115,585,572,564,491,29967,29967,29967,29966,12810,3890,1293,588, 29977,29978,29976,29975,29983,29983,29985,29986,29986,29987,29987,29988]} 1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. Nc3 Nbd7 5. Bf4 dxc4 6. e3 Nd5 7. Bxc4 Nxf4 8. exf4 Nb6 {The main line 8...Nb6 scores better than 8...Bd6. D37: Queen's Gambit Declined: 5 Bf4.} 9. Bb3 Bd6 10. Ne5 Bd7 {White has an edge.} 11. O-O O-O {[#]} 12. Qh5 $146 ({Predecessor:} 12. Qg4 Bxe5 13. dxe5 Bc6 14. f5 exf5 15. Qxf5 Qe7 16. Rfe1 Rad8 17. Rad1 g6 18. Qf4 Kg7 19. h4 Rxd1 20. Rxd1 Nd7 21. Re1 Nc5 22. Bc4 Ne6 {1/2-1/2 (22) Ibragimov,I (2610)-Smagin,S (2575) St Petersburg 1998}) 12... Qf6 13. Bc2 {[%csl Gc2][%CAl Rh5h7]} g6 14. Qf3 $40 {[%mdl 128] White mounts an attack.} Bc6 15. Be4 Bxe4 16. Nxe4 Qe7 17. g3 Rad8 18. h4 (18. Qb3 { looks sharper.} c6 19. Rad1 Bc7 20. h4 Rd5 21. Nc3) 18... f5 19. Nxd6 cxd6 20. Qa3 Nc8 (20... Rc8 $11) 21. Nf3 $16 d5 22. Rfe1 (22. Qa5 {seems wilder.} a6 23. Rfe1 Na7 24. Re3 Nc6 25. Qd2) 22... Qxa3 $1 23. bxa3 Rfe8 24. Ng5 Rd6 25. Rac1 h6 {[#]} 26. Nxe6 {[%mdl 64] Deflection} Rdxe6 (26... Kf7 27. Nc5) 27. Rxe6 Rxe6 28. Rxc8+ $14 {[%mdl 4096] Endgame KR-KR} Kf7 29. Rd8 h5 30. Rxd5 Ra6 31. Rd7+ Ke6 32. Rg7 Kd5 33. Rxb7 Rxa3 34. Rg7 ({White should play} 34. Rd7+ $16 Ke6 35. Rg7) 34... Ra6 $1 $11 35. Kg2 Kxd4 36. a4 Kc5 37. f3 Kb4 (37... Kd4 $11 ) 38. g4 $1 $16 Kxa4 39. gxf5 (39. Rb7 $142 $1) 39... gxf5 40. Rf7 (40. Kh3 $16 ) 40... Rg6+ $11 41. Kf2 a5 42. Rxf5 Rh6 $2 (42... Kb4 $11 {and Black has nothing to worry.}) 43. Re5 $2 ({White must play} 43. Rf8 $1 $18) 43... Kb4 44. f5 a4 45. Re6 Rh8 46. Kg3 {Hoping for Ra6.} Ra8 47. Kf4 a3 {And now ...a2 would win.} 48. Re1 $1 {Black must now prevent f6.} a2 49. Ra1 {Threatens to win with f6.} Kb3 $2 {[%mdl 8192] This costs Black the game.} (49... Kc5 $16 { is a better chance.}) 50. f6 $1 $18 Kb2 51. Re1 a1=Q (51... Rc8 $18 52. Kf5 Rc3 ) 52. Rxa1 Kxa1 {[#] KR-K3P} 53. Kg5 $1 Kb2 54. Kxh5 (54. f7 $142 Rf8 55. Kg6) 54... Rh8+ {[#]} 55. Kg5 $1 {Strongly threatening f7.} Kc3 56. f7 {White mates. } Kd4 57. Kg6 Ke3 58. h5 Kf4 59. h6 Ke5 60. Kg7 Ke6 61. f8=Q {Weighted Error Value: White=0.17/Black=0.62} 1-0 [Event "Chinese-ch Women 2020"] [Site "Xinghua"] [Date "2020.12.29"] [Round "10.2"] [White "Ni, Shiqun"] [Black "Xiao, Yiyi"] [Result "1/2-1/2"] [ECO "D02"] [WhiteElo "2389"] [BlackElo "2301"] [Annotator "TA"] [PlyCount "72"] [EventDate "2020.12.19"] [EventType "tourn"] [EventCountry "CHN"] [SourceTitle "playchess.com"] [Source "ChessBase"] [SourceQuality "1"] {[%evp 11,72,0,0,0,0,0,0,0,-7,-18,-7,-11,-4,-3,-19,-10,-9,-14,-8,-13,12,16,20, 0,0,0,1,6,4,2,2,-6,0,0,0,0,0,0,12,10,8,3,11,11,29,0,29,0,0,0,0,0,0,0,2,0,0,0,0, 0,0,0,0]} 1. d4 d5 2. Nf3 Nf6 3. g3 c6 4. Bg2 Bf5 5. O-O h6 6. Nbd2 e6 7. Re1 { D02:1 d4 d5 2 Nf3 sidelines, including 2...Nf6 3 g3 and 2...Nf6 3 Bf4.} Be7 8. Ne5 Nbd7 9. Nxd7 Qxd7 10. c3 O-O 11. e4 dxe4 12. Nxe4 Bxe4 13. Bxe4 Nxe4 14. Rxe4 c5 {[#]} 15. Qe2 $146 ({Predecessor:} 15. Be3 Rfd8 16. Qb3 Qc6 17. Re5 cxd4 18. cxd4 a6 19. Rc1 Qd7 20. d5 exd5 21. Rd1 {1-0 (49) Popescu,F (2181) -Dyulgerov,D (1987) Albena 2015}) 15... cxd4 16. Rxd4 Qc6 17. Bf4 Rad8 18. Rad1 Rxd4 19. Rxd4 Rd8 20. Rxd8+ Bxd8 21. Qd2 (21. c4 {is interesting.} Be7 22. b3 b6 23. Bd2 f6 24. a4) 21... Bb6 (21... Bf6 {seems wilder.} 22. Qe2 Qd5 23. c4 Qf5 24. Kg2 g5) 22. Be3 Bxe3 23. Qxe3 $11 {[%mdl 4096] Endgame KQ-KQ} a6 24. b3 f6 25. c4 Kf7 26. h4 h5 27. Qd3 e5 28. Kf1 b5 29. Ke2 bxc4 {The position is equal.} 30. bxc4 Ke6 31. Ke3 Qb6+ (31... a5 {keeps more tension.} 32. Qh7 Qb6+ 33. Kf3 Qc6+ 34. Ke3) 32. Kf3 Qd6 33. Qh7 Qc6+ 34. Ke3 Qc5+ 35. Kf3 Qc6+ 36. Ke3 Qc5+ {A rather calm draw. Weighted Error Value: White=0.04/Black=0.04} 1/2-1/2 [Event "Chinese-ch Women 2020"] [Site "Xinghua"] [Date "2020.12.29"] [Round "10.3"] [White "Zhai, Mo"] [Black "Tan, Zhongyi"] [Result "1/2-1/2"] [ECO "D02"] [WhiteElo "2366"] [BlackElo "2510"] [Annotator "TA"] [PlyCount "65"] [EventDate "2020.12.19"] [EventType "tourn"] [EventCountry "CHN"] [SourceTitle "playchess.com"] [Source "ChessBase"] [SourceQuality "1"] {[%evp 11,65,0,0,-4,9,-4,-2,5,44,8,8,-14,0,14,2,16,7,1,18,6,27,20,9,-25,23,16, 23,12,12,21,28,14,14,27,18,15,10,12,16,9,19,22,28,0,0,0,0,0,0,0,0,0,0,-26,0,0] } 1. Nf3 d5 2. g3 g6 3. Bg2 Bg7 4. d4 Nf6 5. O-O O-O 6. c3 b6 7. c4 {7.a4 gains popularity. D02:1 d4 d5 2 Nf3 sidelines, including 2...Nf6 3 g3 and 2... Nf6 3 Bf4.} c6 8. Ne5 Bb7 9. Nc3 e6 {[#]} 10. a4 $146 ({Predecessor:} 10. b4 Nbd7 11. Nxd7 Qxd7 12. cxd5 cxd5 13. Qd3 Rfc8 14. Bd2 Rc4 15. Rfb1 Ne4 16. e3 Nxd2 17. Qxd2 {0-1 (32) Makka,E (2095)-Zaksaite,S (2272) Heraklion 2017}) 10... Nfd7 11. cxd5 Nxe5 12. dxe5 {[#] aiming for dxe6.} exd5 13. f4 Na6 {[%CAl Bb8a6,Ba6c5,Bc5d3][%mdl 32]} 14. Be3 Qe7 {With the idea ...f6.} 15. Bf2 Rfd8 16. Qb3 Nc5 17. Qc2 a5 18. Rfd1 Ba6 19. e4 dxe4 20. Nxe4 {Strongly threatening Nd6.} Bd3 {[#]} 21. Rxd3 Nxd3 22. Bxb6 Rdb8 23. Bd4 ({But not} 23. Qxd3 Rxb6 24. Rb1 Rd8 $15) 23... Nb4 24. Qc4 Rd8 {next ...Rxd4! is good for Black.} 25. Rc1 Qd7 26. Nd6 Qc7 27. Bc5 Bf8 28. Qd4 Rab8 29. Bf1 Nd5 30. Bg2 Nb4 31. Bf1 Nd5 32. Bg2 Nb4 33. Bf1 {A rather calm draw. Weighted Error Value: White=0.07/ Black=0.07} 1/2-1/2 [Event "Chinese-ch Women 2020"] [Site "Xinghua"] [Date "2020.12.29"] [Round "10.4"] [White "Yuan, Ye"] [Black "Gu, Xiaobing"] [Result "1/2-1/2"] [ECO "D02"] [WhiteElo "2081"] [BlackElo "2263"] [Annotator "TA"] [PlyCount "73"] [EventDate "2020.12.19"] [EventType "tourn"] [EventCountry "CHN"] [SourceTitle "playchess.com"] [Source "ChessBase"] [SourceQuality "1"] {[%evp 11,73,-5,0,-6,-18,-8,-18,-20,-8,-16,0,-12,-4,-6,-10,-7,-7,-10,0,-3,15,8, 10,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,14,11,11,6,16,9,20,0,9,0,0,0,0,0,0,0,0,0,0,0, 0,0,0,0,0,-58]} 1. d4 d5 2. Nf3 Nf6 3. g3 c6 4. Bg2 Bf5 5. O-O h6 6. Nbd2 e6 { The position is equal.} 7. Re1 {D02:1 d4 d5 2 Nf3 sidelines, including 2... Nf6 3 g3 and 2...Nf6 3 Bf4.} Be7 8. Ne5 Nbd7 9. Nxd7 Qxd7 10. c3 O-O 11. e4 dxe4 12. Nxe4 Bxe4 13. Bxe4 Nxe4 14. Rxe4 c5 {[#]} 15. Qe2 $146 ({Predecessor: } 15. Be3 Rfd8 16. Qb3 Qc6 17. Re5 cxd4 18. cxd4 a6 19. Rc1 Qd7 20. d5 exd5 21. Rd1 {1-0 (49) Popescu,F (2181)-Dyulgerov,D (1987) Albena 2015}) 15... cxd4 16. Rxd4 Qc6 17. Bf4 Rad8 18. Rad1 Rxd4 19. Rxd4 Rd8 20. Rxd8+ Bxd8 21. Qd2 (21. Be5 {with more complications.} f6 22. Bd4 a6 23. c4 Be7 24. b3) 21... Bb6 ( 21... Bf6 {is interesting.} 22. Qe2 Qd5 23. c4 Qf5 24. Kg2 Bd4) 22. Be3 Bxe3 23. Qxe3 $11 {[%mdl 4096] Endgame KQ-KQ} a6 24. b3 f6 25. c4 Kf7 26. h4 h5 27. Qd3 e5 28. Kf1 b5 (28... g6 {seems wilder.} 29. a4 a5 30. Qd8 b6 31. Ke2 Ke6) 29. Ke2 bxc4 30. bxc4 Ke6 31. Ke3 Qb6+ (31... f5 {feels hotter.} 32. Qc2 g6 33. Qb3 Kd7 34. Ke2 Qe4+) 32. Kf3 Qd6 33. Qh7 Qc6+ 34. Ke3 Qc5+ 35. Kf3 Qc6+ 36. Ke3 Qc5+ 37. Ke4 {A rather calm draw. Weighted Error Value: White=0.02/ Black=0.03} (37. Kf3 $11) 1/2-1/2 [Event "Chinese-ch Women 2020"] [Site "Xinghua"] [Date "2020.12.29"] [Round "10.5"] [White "Yan, Tianqi"] [Black "Ning, Kaiyu"] [Result "0-1"] [ECO "C10"] [WhiteElo "2207"] [BlackElo "2327"] [Annotator "TA"] [PlyCount "104"] [EventDate "2020.12.19"] [EventType "tourn"] [EventCountry "CHN"] [SourceTitle "playchess.com"] [Source "ChessBase"] [SourceQuality "1"] {[%evp 22,103,48,50,62,23,27,22,26,14,23,11,18,0,22,7,22,19,14,20,27,0,0,3,4, -11,-11,-13,-15,-8,-5,-3,0,0,0,-33,-21,-17,-13,-13,-17,-27,-12,-35,0,-45,-35, -33,2,2,2,2,2,0,5,5,50,65,146,116,122,0,54,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, -29976,-29974,-29998,-29999,-29999]} 1. e4 e6 2. d4 d5 3. Nd2 Be7 4. c3 c5 5. Ngf3 cxd4 6. Nxd4 dxe4 7. Nxe4 Nf6 8. Bd3 O-O 9. O-O Nbd7 10. Qe2 Nxe4 11. Bxe4 Nf6 12. Bc2 h6 {C10: French with 3 Nc3: Unusual Black 3rd moves and 3...dxe4.} 13. Bf4 Bd6 $1 {[%CAl Rd6f4]} 14. Bxd6 Qxd6 {The position is equal.} 15. Rfd1 { [#]} Qc5 $146 ({Predecessor:} 15... a6 16. Nf3 Qb6 17. Ne5 Qc7 18. a4 b6 19. Rd4 Bb7 20. Rad1 Rad8 21. h3 Rd5 22. Rxd5 Nxd5 {1-0 (49) Gavric,M (2368) -Bjelica,B Banja Dvorovi 2018}) 16. Qf3 Bd7 17. a4 a5 18. Rab1 e5 19. Nf5 Bxf5 20. Qxf5 Ra6 21. Re1 Re8 22. Bd3 Rae6 23. Rbd1 g6 24. Qh3 e4 25. Be2 e3 26. f3 Kg7 27. Qh4 Qb6 28. b4 Rc8 29. bxa5 Qxa5 30. Qb4 Qe5 31. Qxb7 Rxc3 32. Qb4 Rc5 33. Rd8 Qc7 34. Rb8 Re7 {[#]} 35. Rb7 $1 Qd6 {And now ...Qd2 would win.} 36. Rxe7 $1 Qxe7 37. a5 Qc7 38. a6 Rh5 39. g3 {Strongly threatening Ra1.} Rg5 ( 39... Qa5 $14 40. Rb1 Qxb4 41. Rxb4 Ra5) 40. f4 Ra5 {[#]} 41. Qd4 (41. Qb2 $1 $16) 41... Ra3 $14 42. Bd3 (42. g4 $14 Qa5 43. Rd1) 42... Qa5 $11 43. Rxe3 { Hoping for Bc4.} Qd2 44. a7 Qd1+ 45. Kg2 Ra2+ 46. Re2 $1 {[%CAl Re2a2]} Rxe2+ 47. Bxe2 Qxd4 48. a8=Q Ne4 {( -> ...Qf2+)} 49. Kh3 Qe3 50. Bc4 {[%mdl 8192] [#] } (50. Qa1+ $11 Nc3 51. Qb2) 50... Qf3 $1 {Black mates.} 51. Qc8 Nf2+ 52. Kh4 Qh5# {Weighted Error Value: White=0.32/Black=0.07} 0-1 [Event "Chinese-ch Women 2020"] [Site "Xinghua"] [Date "2020.12.29"] [Round "10.6"] [White "Hu, Yu A."] [Black "Li, Xueyi"] [Result "1-0"] [ECO "B12"] [WhiteElo "2094"] [BlackElo "2328"] [Annotator "TA"] [PlyCount "115"] [EventDate "2020.12.19"] [EventType "tourn"] [EventCountry "CHN"] [SourceTitle "playchess.com"] [Source "ChessBase"] [SourceQuality "1"] {[%evp 13,115,0,0,0,0,0,0,0,0,-16,-4,-106,-127,-143,-97,-137,125,129,116,115, 104,64,57,59,72,0,0,0,0,0,0,0,0,0,0,0,0,-237,-200,-197,0,0,121,-109,-54,-44, -51,-167,50,44,59,60,62,58,178,66,161,63,56,50,95,0,55,0,0,0,0,0,311,316,297, 299,368,366,482,462,452,412,628,615,606,310,310,310,760,792,764,772,677,693, 979,958,12840,12840,12841,12841,12841,12841,12841,12842,12843,12843,12844, 12844]} 1. e4 c6 2. d4 d5 3. e5 Bf5 4. Nf3 e6 5. Be2 c5 6. Be3 Nd7 {6...Qb6 gains popularity.} 7. c4 cxd4 8. Nxd4 {B12: Caro-Kann: Advance Variation.} Bxb1 9. Rxb1 Bb4+ 10. Kf1 {The position is equal.} Ne7 11. Qb3 Bc5 12. Qxb7 (12. f4 $11) 12... O-O $17 {[#]} 13. g3 $146 ({Predecessor:} 13. Nc6 Nxc6 14. Bxc5 Na5 15. Qb4 Nxc5 16. Qxc5 Nxc4 17. Bxc4 Rc8 18. Qxa7 Rxc4 19. b4 {0-1 (68) Eggleston,D (2327)-Sugden,J (2159) England 2012}) 13... Bb6 {Threatens to win with ...Nc5.} 14. Qa6 Nxe5 $2 {[%mdl 8192]} (14... dxc4 $17 {stays on course.} 15. Nf3 Bxe3 16. fxe3 Nd5) 15. c5 $1 $16 Bc7 16. b4 N5g6 17. f4 e5 18. fxe5 Bxe5 19. Kg2 (19. Nf3 $16) 19... Bxd4 $11 20. Bxd4 {Hoping for Bg4.} Nf5 21. Rhd1 Qg5 22. Kh1 $36 {[%mdl 2048] White fights for an advantage.} h5 23. Bf2 h4 {[%CAl Rh4g3]} 24. Qd3 Rae8 25. Qf3 (25. Qd2 $11 Ne3 26. Bxe3 Rxe3 27. Rb3) 25... hxg3 $19 26. hxg3 d4 $2 (26... Re4 $1 $19 27. Rb3 Ne5) 27. Rb3 $11 d3 ( 27... Qf6 $11 {keeps the balance.}) 28. Bxd3 $2 {[#]} (28. Rdxd3 $16 {and life is bright. aiming for Rd1.} Ne5 {[%mdl 64] Double Attack} 29. Qf4 Qxf4 30. gxf4 Nxd3 31. Bxd3) 28... Ne3 (28... Nxg3+ $1 $17 {[%mdl 512]} 29. Kh2 (29. Bxg3 Re3 $17) 29... Nh5) 29. Re1 $15 Ng4 30. Kg1 {[#]} (30. Rxe8 $1 $15 Rxe8 31. Kg2) 30... Nxf2 $2 (30... N6e5 $1 $19 {[%CAl Re5f3]} 31. Qh1 g6) 31. Qxf2 $14 Rxe1+ 32. Qxe1 Ne5 33. Bc2 (33. Be4 {keeps more tension.} Ng4 34. Bf3 Ne5 35. Re3 Nxf3+ 36. Rxf3 Qd5 37. Qc3) 33... Ng4 (33... g6 $14) 34. Qe2 (34. Rd3 $18) 34... Nf6 {[#]} (34... a5 $14) 35. Qe3 (35. Rd3 $1 $18) 35... Qd5 {With the idea ...Re8.} 36. Qd3 {Strongly threatening Qxd5.} Qe5 37. Qe3 (37. Qd2 $16) 37... Qa1+ (37... Qd5 $11) 38. Bb1 ({White should play} 38. Kg2 $14) 38... Re8 $11 39. Qf2 {And now Qb2 would win.} Qe5 40. Rf3 Qe1+ $2 {[%mdl 8192]} (40... Qa1 $11 {and Black is okay.} 41. Rb3 Qe5) 41. Qxe1 $18 Rxe1+ {[%mdl 4096] Endgame KRB-KRN} 42. Rf1 Re3 43. Rc1 g6 44. c6 {c7 is the strong threat.} Nd5 45. Kf2 {Black must now prevent c7.} Re7 (45... Re8 $142 46. b5 Nc7) 46. b5 Kf8 47. Rc5 Nb6 48. a4 {[%CAl Ba2a4,Ba4a5][%mdl 32]} Ke8 $2 (48... Nxa4 49. c7 Nb6 50. c8=Q+ Nxc8 51. Rxc8+ Kg7) 49. a5 {White is clearly winning.} Nc8 50. Rd5 Rc7 51. Ke3 a6 52. b6 Nxb6 53. axb6 Rxc6 {KRB-KR} 54. b7 Rb6 55. Re5+ Kd7 56. Be4 f6 57. Rd5+ Kc7 58. Rc5+ {Quite a comeback for White. Weighted Error Value: White=0.44/Black=0.55} 1-0 [Event "Chinese-ch Women 2020"] [Site "Xinghua"] [Date "2020.12.30"] [Round "11.1"] [White "Li, Xueyi"] [Black "Guo, Qi"] [Result "0-1"] [ECO "E04"] [WhiteElo "2328"] [BlackElo "2418"] [Annotator "TA"] [PlyCount "76"] [EventDate "2020.12.19"] [EventType "tourn"] [EventCountry "CHN"] [SourceTitle "playchess.com"] [Source "ChessBase"] [SourceQuality "1"] {[%evp 14,76,0,0,0,0,8,-8,0,-30,-15,-29,-31,-69,-60,-87,-38,-53,-62,-88,-50, -87,-95,-82,-78,-114,-107,-166,-132,-161,-171,-177,-163,-172,-149,-204,-145, -164,-141,-143,-143,-162,-162,-160,-160,-160,-160,-160,-152,-662,-656,-655, -641,-623,-614,-614,-208,-600,-597,-6621,-5716,-4727,-2988,-29978,-29977]} 1. d4 Nf6 2. c4 e6 3. g3 d5 4. Bg2 dxc4 5. Nf3 c5 6. O-O Nc6 7. Na3 {Recently 7. dxc5 got a lot of attention.} cxd4 8. Nxc4 Bc5 {E04: Open Catalan: 5 Nf3.} 9. a3 a5 10. Bf4 O-O {The position is equal.} 11. Rc1 Nd5 12. Nce5 {[#]} Ba7 $146 ({Predecessor:} 12... Nxf4 13. Rxc5 Nxe5 14. gxf4 Nxf3+ 15. Bxf3 Ra6 16. Qd3 Qf6 17. Qe4 Rd6 18. Qe5 Qe7 {1-0 (32) Abasov,N (2516)-Rzayev,B (2432) Baku 2014 }) 13. Nxc6 bxc6 14. Rxc6 Nxf4 15. gxf4 Bb7 16. Rc4 Bd5 17. Rc1 Qf6 18. Qd2 Rad8 19. Rfd1 Bb3 20. Rf1 (20. Re1 $17) 20... Bb8 $1 $19 21. Qxa5 Bxf4 22. Rc5 Bd5 23. Rd1 Qg6 24. Kh1 (24. Nh4 $17 Qg4 25. Nf3) 24... Qh6 {...Bxf3 is the strong threat.} 25. h3 g5 26. Kg1 f5 $1 27. Nxd4 Bxg2 28. Kxg2 {[%CAl Rd4f5] Black must now prevent Nxf5.} g4 29. h4 {[%CAl Rd4f5] Threatens to win with Nxf5.} Bd6 {aiming for ...Qf4.} (29... Qxh4 30. Rh1 $11) 30. Nxf5 Qf4 {[%CAl Rf4h2] ( -> ...Qh2+)} ({Don't take} 30... exf5 31. Rxf5 Be7 32. Rxd8 $15) 31. Nxd6 $2 {Now White is beyond hope.} (31. Rxd6 $17 Rxd6 32. Ne7+ (32. Nxd6 { gets mated.} Qxf2+ {[%mdl 64] Double Attack} 33. Kh1 Qxh4+ 34. Kg2 Qh3+ 35. Kg1 Rf1#) 32... Kh8 33. Qc3+ Rf6 34. Qe3) 31... Qxf2+ {[%mdl 64] Double Attack} 32. Kh1 {White wants to mate with Rg5+.} Qxh4+ 33. Kg1 Qg3+ {[%mdl 64] Double Attack} 34. Kh1 {Intending Rg5+ and mate.} Qh3+ $40 {[%mdl 128] Black goes for the king.} (34... Rxd6 $2 35. Rg5+ Kh8 36. Ra1 $19) 35. Kg1 {Rg5+ would kill now.} h6 36. Rh5 {[#]} Qe3+ {[%mdl 64] Double Attack} ({Stronger than} 36... Qg3+ 37. Kh1 $11) 37. Kh1 {[#]} Rxd6 $1 {[%mdl 512]} 38. Ra1 (38. Re1 g3) 38... Qxe2 {Weighted Error Value: White=0.84/Black=0.06} 0-1 [Event "Chinese-ch Women 2020"] [Site "Xinghua"] [Date "2020.12.30"] [Round "11.2"] [White "Ning, Kaiyu"] [Black "Hu, Yu A."] [Result "1-0"] [ECO "E90"] [WhiteElo "2327"] [BlackElo "2094"] [Annotator "TA"] [PlyCount "63"] [EventDate "2020.12.19"] [EventType "tourn"] [EventCountry "CHN"] [SourceTitle "playchess.com"] [Source "ChessBase"] [SourceQuality "1"] {[%evp 16,63,62,53,105,104,98,65,66,64,128,118,120,119,126,113,104,97,138,137, 162,157,152,106,123,36,73,0,354,356,353,353,335,360,345,261,251,262,340,335, 335,335,330,320,320,301,674,643,29993,29994]} 1. c4 Nf6 2. Nc3 g6 3. d4 Bg7 4. e4 d6 5. h3 O-O 6. Nf3 Nbd7 7. Be3 e5 8. d5 Nh5 9. Nd2 Qe8 {E90: King's Indian: Classical: Early deviations and 6 h3.} (9... c6 $14) 10. Nb5 $16 Qd8 11. g3 a6 {White is slightly better.} 12. Nc3 {[#]} f5 $146 (12... Nhf6 $14) ({ Predecessor:} 12... Bh8 13. Rg1 f6 14. Be2 Ng7 15. g4 Rf7 16. Qc2 b6 17. O-O-O Nf8 18. h4 Qe7 19. h5 g5 20. b4 Ne8 {1-0 (35) Horvath,J (2528)-Carnicelli,V (2256) Forni di Sopra 2016}) 13. exf5 gxf5 14. Qxh5 {aiming for Bg5.} f4 {[#]} 15. O-O-O $1 fxe3 16. fxe3 Nf6 17. Qh4 Bf5 18. g4 Bg6 19. Qg3 c6 20. g5 ({ White should try} 20. h4 $16) 20... Nh5 $1 $14 {[%CAl Rh5g3]} 21. Qh4 (21. Qg4 $16) 21... Rc8 $2 {[%mdl 8192]} (21... Qb6 $11 {and Black stays safe.} 22. Be2 Qxe3 23. Bxh5 Rf4) 22. Be2 $18 Qe8 23. Nde4 ({Weaker is} 23. Bg4 cxd5 24. Nxd5 (24. Bxc8 d4 $16) 24... Rc5 $16) 23... Bxe4 24. Nxe4 Nf4 25. exf4 Rxf4 {[#]} 26. Bg4 $1 cxd5 (26... Rxe4 27. Be6+) 27. Nf6+ ({Not} 27. Rxd5 Rxc4+ 28. Nc3 e4 $16) ({Less strong is} 27. Nxd6 Qg6 $14) 27... Bxf6 28. gxf6 {Strongly threatening Qg5+.} Rcxc4+ 29. Kb1 Qg6+ 30. Ka1 Rc2 $2 (30... Qxf6 31. Qg3 Kh8 32. Rxd5 Rf1+ 33. Rd1 Rxh1 34. Rxh1 Qf4) 31. Rhg1 {Intending Be6+ and mate.} Rfc4 32. Be6+ {[%mdl 64] Double Attack, Discovered Attack. Weighted Error Value: White=0.20/Black=0.84} 1-0 [Event "Chinese-ch Women 2020"] [Site "Xinghua"] [Date "2020.12.30"] [Round "11.3"] [White "Gu, Xiaobing"] [Black "Yan, Tianqi"] [Result "0-1"] [WhiteElo "2263"] [BlackElo "2207"] [PlyCount "0"] [EventDate "2020.12.19"] [EventType "tourn"] [EventCountry "CHN"] [TimeControl "5400+30"] 0-1 [Event "Chinese-ch Women 2020"] [Site "Xinghua"] [Date "2020.12.30"] [Round "11.4"] [White "Tan, Zhongyi"] [Black "Yuan, Ye"] [Result "1-0"] [ECO "C02"] [WhiteElo "2510"] [BlackElo "2081"] [Annotator "TA"] [PlyCount "105"] [EventDate "2020.12.19"] [EventType "tourn"] [EventCountry "CHN"] [SourceTitle "playchess.com"] [Source "ChessBase"] [SourceQuality "1"] {[%evp 16,105,0,0,0,-23,-6,-18,-17,-35,-25,-32,-28,-56,-49,-81,-57,-111,-68, -60,-47,-49,-52,-51,-41,-68,-35,-41,-32,-18,-21,-39,-35,-40,0,0,0,-11,0,0,0,0, 0,-42,100,111,122,120,125,121,155,155,155,155,155,155,155,155,155,155,160,162, 164,144,145,145,247,149,149,149,150,142,150,150,150,150,148,150,157,157,157, 125,265,238,320,286,311,304,303,303,320,288]} 1. e4 c5 2. Nf3 e6 3. c3 d5 4. e5 Nc6 5. d4 Qb6 6. a3 c4 7. g3 Na5 8. Nbd2 Bd7 9. h4 h6 {C02: French: Advance Variation.} 10. Bh3 Ne7 11. O-O O-O-O {The position is equal.} 12. h5 Kb8 13. Nh4 Nc8 14. f4 Be7 15. Ng2 g6 16. Ne3 {[#]} (16. hxg6 $15 fxg6 17. Rb1) 16... Rhg8 $146 ({Predecessor:} 16... Qc7 17. Kh1 Nb6 18. Qf3 Rdf8 19. Rb1 Ka8 20. Qf2 Rhg8 21. Ng4 gxh5 22. Nf6 Bxf6 23. exf6 {1-0 (51) Bodnaruk,A (2414) -Sviridova,V (2144) Chess.com INT 2020}) 17. Kh2 Rg7 18. Rg1 Qc7 19. Rb1 Nb6 20. Qe2 Rdg8 21. Ng4 gxh5 22. Nf6 Bxf6 23. exf6 Rg6 24. Nf3 Rxf6 25. f5 { [#] Threatens to win with Bf4.} Ka8 ({Avoid the trap} 25... exf5 $2 26. Bf4 $18 ) 26. Bf4 Qd8 27. Be5 Rxf5 28. Bxf5 exf5 29. Qd2 f4 (29... Nc6 $15 {stays ahead.}) 30. Qxf4 $16 Qe8 31. Rbe1 {[%mdl 1024] White has strong compensation.} Qe6 {[%csl Gd7][%CAl Re6h3]} 32. Rg2 Nc6 {[#]} 33. Bc7 $1 Qh3+ 34. Kg1 Bf5 35. Rh2 Qg4 36. Qxg4 Bxg4 37. Ne5 Nxe5 38. Rxe5 f6 39. Re3 Nd7 40. Re7 b6 (40... Rc8 $16) 41. Kf2 Kb7 42. Bf4 Kc6 43. Rh1 Kb5 44. Rh4 {aiming for Rxg4!} Kc6 45. a4 a5 46. Rh1 b5 47. axb5+ Kxb5 48. Ra1 Nb6 {This costs Black the game.} (48... Rh8 $16 {was called for.} 49. Ke1 Bf5) 49. Bc7 ({Don't take} 49. Bxh6 $6 Nd7 $18) 49... Bh3 50. Rh1 {White has a decisive advantage.} Bg4 51. Bxb6 Kxb6 52. Rf7 f5 53. Re1 {Weighted Error Value: White=0.12/Black=0.23} 1-0 [Event "Chinese-ch Women 2020"] [Site "Xinghua"] [Date "2020.12.30"] [Round "11.5"] [White "Xiao, Yiyi"] [Black "Zhai, Mo"] [Result "0-1"] [ECO "E01"] [WhiteElo "2301"] [BlackElo "2366"] [Annotator "TA"] [PlyCount "52"] [EventDate "2020.12.19"] [EventType "tourn"] [EventCountry "CHN"] [SourceTitle "playchess.com"] [Source "ChessBase"] [SourceQuality "1"] {[%evp 9,52,11,2,-29,-17,-19,-29,-43,-43,-42,-27,-41,-42,-41,-47,-56,-73,-116, -51,-51,-51,-51,-51,-51,-51,-51,-47,-43,-24,-62,-59,-62,-70,-100,-102,-148, -144,-201,-154,-201,-211,-550,-556,-543,-530]} 1. d4 Nf6 2. c4 e6 3. Nf3 Bb4+ 4. Nbd2 O-O 5. g3 d5 6. Qc2 {E01: Catalan: Early deviations.} c5 7. dxc5 e5 8. cxd5 {Black has an edge.} Qxd5 9. a3 Bxc5 {...e4 is the strong threat.} 10. e4 Qc6 {aiming for ...Bxf2+!} 11. Bd3 Bh3 {White must now prevent ...Ng4.} 12. Nxe5 Qc7 13. Nb3 {[#]} Qxe5 (13... Bxf2+ $1 $17 {[%mdl 512]} 14. Qxf2 Qxe5) 14. Qxc5 $15 ({Avoid the trap} 14. Nxc5 $2 Rc8 $19) 14... Nbd7 15. Qxe5 Nxe5 16. Be2 $1 Bg2 $36 {[%mdl 2048] Black has the initiative.} 17. Rg1 Bxe4 {[#]} 18. Be3 $146 ({Predecessor:} 18. Nd2 Bc6 19. f3 Rad8 20. Kf2 Nd3+ 21. Bxd3 Rxd3 22. Re1 Rfd8 23. Re2 h6 24. b4 {0-1 (76) Hamitevici,V (2401)-Babula,V (2554) Rijeka 2010}) 18... Rfd8 19. Nd2 Nd3+ 20. Bxd3 Bxd3 21. f3 Rac8 {And now ... Nd5 would win.} 22. Kf2 Rc2 23. Rge1 (23. Rgd1 $17) 23... Rxb2 24. Kg1 Nd5 25. Rad1 $2 (25. Nf1 {is a better chance.}) 25... Nxe3 $19 26. Rxe3 Bb5 {Weighted Error Value: White=0.29/Black=0.06} 0-1 [Event "Chinese-ch Women 2020"] [Site "Xinghua"] [Date "2020.12.30"] [Round "11.6"] [White "Song, Yuxin"] [Black "Ni, Shiqun"] [Result "1/2-1/2"] [ECO "C43"] [WhiteElo "2290"] [BlackElo "2389"] [Annotator "TA"] [PlyCount "60"] [EventDate "2020.12.19"] [EventType "tourn"] [EventCountry "CHN"] [SourceTitle "playchess.com"] [Source "ChessBase"] [SourceQuality "1"] {[%evp 12,60,6,9,6,12,12,9,6,9,9,9,9,9,9,9,9,9,12,9,9,9,9,8,9,9,13,-8,-8,-8,-2, -2,-2,-2,-2,-2,-2,-2,-2,-8,-8,-8,-8,-9,-8,-9,-9,-14,0,-9,0]} 1. e4 e5 2. Nf3 Nf6 3. d4 Nxe4 4. Bd3 Nc6 5. Bxe4 d5 6. Nxe5 Nxe5 7. dxe5 {The position is equal.} dxe4 {C43: Petroff Defence: 3 d4.} 8. Qxd8+ Kxd8 9. Nc3 Bb4 10. Bg5+ Ke8 11. O-O-O {[%csl Gg5][%CAl Rd1d8] [#]} Bg4 12. Rd4 Bxc3 13. bxc3 h6 14. Rxe4 Bh3 15. gxh3 {[#] Be3 is the strong threat.} hxg5 $11 {[%mdl 4096] Endgame KRR-KRR} 16. Rg1 Rxh3 17. Rxg5 Kf8 18. Reg4 Re8 19. f4 g6 {[#]} 20. f5 $146 ({Predecessor:} 20. Rg2 Rxc3 21. f5 Rxe5 22. fxg6 Rxg5 23. Rxg5 fxg6 24. Rxg6 Rh3 {1/2-1/2 (24) Fluechter,G (2157)-Zaehringer,D (2142) Osnabrueck 2018}) 20... Rxe5 21. fxg6 Rxg5 22. Rxg5 fxg6 ({Don't play} 22... Rxh2 $6 23. Rf5 $16) 23. Rxg6 Rxh2 {KR-KR} 24. Kb2 Ke7 25. Rg7+ Kd6 26. Rg6+ Kc5 27. Kb3 Rf2 28. Rh6 Rg2 29. Rf6 Rh2 30. Rg6 Rf2 {An uneventful encounter. Weighted Error Value: White=0.02/Black=0.01} 1/2-1/2 [Event "Chinese-ch Women 2020"] [Site "Xinghua"] [Date "2020.12.19"] [Round "1.3"] [White "Yuan, Ye"] [Black "Xiao, Yiyi"] [Result "1/2-1/2"] [ECO "D85"] [WhiteElo "2081"] [BlackElo "2301"] [Annotator "TA"] [PlyCount "65"] [EventDate "2020.12.19"] [EventType "tourn"] [EventCountry "CHN"] [SourceTitle "playchess.com"] [Source "ChessBase"] [SourceQuality "1"] {[%evp 15,65,0,93,27,39,22,20,19,22,2,5,-17,-17,-24,-22,-11,-15,-39,-42,-43, -32,-31,-5,-17,-17,-45,-34,-49,-11,-12,-12,-12,-12,-6,-11,-11,-15,-12,-10,-10, 0,-11,0,0,0,0,0,0,0,0,0,0]} 1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. cxd5 Nxd5 5. e4 Nxc3 6. bxc3 Bg7 7. Nf3 c5 8. Rb1 Qa5 (8... O-O $1 $11 {remains equal.}) 9. Bb5+ {D85: Exchange Grünfeld: Unusual White 7th moves and lines with 7 Nf3.} ( 9. Rb5 $16 Qxa2 10. Rxc5) 9... Bd7 10. Bxd7+ $1 Nxd7 11. O-O $1 ({But not} 11. Rxb7 cxd4 12. Qb3 Rc8 $17) 11... Nb6 {[%CAl Bd7b6,Bb6a4,Ba4c3][%mdl 32] [#]} 12. Qe2 $146 ({Predecessor:} 12. Qb3 O-O 13. Bd2 Rac8 14. d5 Qa6 15. Rfc1 Qd3 16. Qc2 c4 17. Nd4 Bxd4 18. cxd4 {1/2-1/2 (49) Lyrberg,P (2427)-Dubessay,B (2272) Agneaux 2010}) 12... O-O 13. Bg5 Na4 14. Bd2 Nxc3 15. Bxc3 Qxc3 16. Rfc1 Qa3 17. dxc5 Rac8 18. h4 Rfd8 19. Rc2 Rc7 20. e5 e6 ({Don't play} 20... Rxc5 21. Rxb7 h6 22. Rc7 $11) 21. h5 Qd3 22. Qxd3 {The position is equal.} Rxd3 23. Rcb2 Rdd7 24. c6 Rxc6 {next ...b6 is good for Black.} 25. Rxb7 Rxb7 26. Rxb7 gxh5 27. Rxa7 $11 {[%mdl 4096] Endgame KRB-KRN} Bh6 28. Kh2 h4 29. Ra4 Rc2 30. Rxh4 Bc1 31. Kg3 Rxa2 32. Rc4 Bh6 33. Rg4+ {Accuracy: White = 88%, Black = 89%. } 1/2-1/2
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