[Event "Chessable Masters Prelims 2021"] [Site "Chess24"] [Date "2021.07.29"] [Round "11.1"] [White "Adhiban, B...."] [Black "Mishra, Abhimanyu"] [Result "1-0"] [ECO "B86"] [WhiteElo "2660"] [BlackElo "2504"] [Annotator "Shahid"] [PlyCount "93"] [EventDate "2021.07.31"] [EventType "tourn"] [EventCountry "NET"] [Tiebreak "Direct encounter+Number of wins+Koya"] [SourceTitle "playchess.com"] [Source "ChessBase"] [SourceQuality "1"] 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Bc4 e6 7. Be3 b5 8. Bb3 Be7 9. Qf3 Qc7 10. g4 b4 11. Nce2 Bb7 12. Ng3 d5 13. e5 Nfd7 (13... Qxe5 $2 14. O-O-O) 14. Ngf5 $5 exf5 15. e6 Ne5 16. exf7+ Nxf7 17. Ne6 Qe5 18. gxf5 Nd6 19. O-O-O d4 20. Ba4+ (20. Qxb7 Nxb7 21. Bxd4 Qe4 22. Bxg7) 20... Nd7 21. Qh5+ g6 22. Bxd4 gxh5 23. Bxe5 Bxh1 24. Bxh8 Bf3 25. Rg1 Nxf5 (25... Kf7) 26. Nc7+ Kd8 27. Nxa8 Bxa8 28. Rg8+ Nf8 29. Bf6 Bd5 30. Rxf8+ Kc7 31. Bxe7 Nxe7 32. Bb3 Bc6 33. Rf7 Kd6 34. Rxh7 Bf3 35. Rh6+ Kc5 36. Rxa6 Nc6 37. Ra8 Ne5 38. Ra5+ Kd6 39. Rb5 h4 40. Rxb4 h3 41. Rh4 Bg2 42. Rh6+ Ke7 43. Re6+ Kf7 44. Rxe5+ Kf6 45. f4 Bf3 46. Kd2 Bg2 47. a4 1-0 [Event "Chessable Masters Prelims 2021"] [Site "Chess24"] [Date "2021.07.29"] [Round "11.2"] [White "Van Foreest, Jorden"] [Black "Mamedyarov, Shakhriyar"] [Result "1/2-1/2"] [ECO "C42"] [WhiteElo "2688"] [BlackElo "2782"] [PlyCount "111"] [EventDate "2021.07.31"] [EventType "tourn"] [EventCountry "NET"] [Tiebreak "Direct encounter+Number of wins+Koya"] [SourceTitle "playchess.com"] [Source "ChessBase"] [SourceQuality "1"] 1. e4 e5 2. Nf3 Nf6 3. Nxe5 d6 4. Nf3 Nxe4 5. d4 d5 6. Bd3 Bd6 7. O-O O-O 8. c4 c6 9. Nc3 Nxc3 10. bxc3 dxc4 11. Bxc4 Bf5 12. Bg5 Qa5 13. Nh4 Be6 14. Bxe6 Qxg5 15. Nf3 Qa5 16. Bb3 Nd7 17. Qd3 Rae8 18. Rfe1 Nf6 19. g3 g6 20. Kg2 Kg7 21. h4 h6 22. a4 Qf5 23. Qxf5 gxf5 24. Ne5 Ne4 25. Nc4 Bc7 26. Ne3 f4 27. Nf5+ Kg6 28. Bc2 Kxf5 29. Bxe4+ Kf6 30. g4 Re7 31. Bd3 Rfe8 32. Rxe7 Rxe7 33. Kf3 Ba5 34. Rc1 c5 35. dxc5 Rc7 36. Be4 Rxc5 37. c4 b6 38. Bd5 a6 39. Rb1 b5 40. axb5 axb5 41. Rxb5 Rxb5 42. cxb5 Bb6 43. Ke2 Ke7 44. g5 hxg5 45. hxg5 Bd8 46. Kf3 Kd6 47. Bxf7 Bxg5 48. Kg4 Bh6 49. f3 Kc5 50. Be8 Kb6 51. Kf5 Kc5 52. Ke5 Kb6 53. Bc6 Kc5 54. Be8 Kb6 55. Bc6 Kc5 56. Be8 1/2-1/2 [Event "Chessable Masters Prelims 2021"] [Site "Chess24"] [Date "2021.07.29"] [Round "11.3"] [White "Firouzja, Alireza"] [Black "Le, Quang Liem"] [Result "1-0"] [ECO "C55"] [WhiteElo "2759"] [BlackElo "2709"] [PlyCount "119"] [EventDate "2021.07.31"] [EventType "tourn"] [EventCountry "NET"] [Tiebreak "Direct encounter+Number of wins+Koya"] [SourceTitle "playchess.com"] [Source "ChessBase"] [SourceQuality "1"] 1. e4 e5 2. Nf3 Nc6 3. Bc4 Nf6 4. d3 h6 5. c3 d6 6. O-O Be7 7. Nbd2 O-O 8. a4 Be6 9. a5 a6 10. Re1 Bxc4 11. dxc4 b6 12. axb6 cxb6 13. Nf1 b5 14. Qd3 Qb6 15. Ne3 Rfc8 16. Nd2 Na5 17. Nf5 Bf8 18. cxb5 axb5 19. Qf3 Qd8 20. Nf1 Nb3 21. Rxa8 Rxa8 22. Be3 Nc5 23. N1g3 Ne6 24. Rd1 Ra2 25. Qe2 Qa8 26. Qf3 Ra1 27. h3 Nxe4 28. Nxe4 Rxd1+ 29. Qxd1 Qxe4 30. Nxd6 Qc6 31. Nf5 Kh7 32. Nh4 g6 33. Nf3 Bg7 34. Ne1 f5 35. Nc2 Bf8 36. f3 Kg7 37. Qd2 Bc5 38. Kh1 Bxe3 39. Nxe3 e4 40. fxe4 Qxe4 41. Qd7+ Kf8 42. Qd6+ Kg7 43. Nd5 h5 44. Kh2 h4 45. b3 Ng5 46. Qf6+ Kh7 47. Qxg5 Qxd5 48. Qxh4+ Kg7 49. Qd4+ Qxd4 50. cxd4 Kf6 51. Kg3 Ke6 52. Kf4 Kd5 53. Kg5 Kxd4 54. Kxg6 Kc3 55. h4 Kxb3 56. h5 b4 57. h6 Kc2 58. h7 b3 59. h8=Q b2 60. Qc8+ 1-0 [Event "Chessable Masters Prelims 2021"] [Site "Chess24"] [Date "2021.07.29"] [Round "11.4"] [White "So, Wesley"] [Black "Koneru, Humpy"] [Result "1-0"] [ECO "C42"] [WhiteElo "2772"] [BlackElo "2586"] [Annotator "TA"] [PlyCount "143"] [EventDate "2021.07.31"] [EventType "tourn"] [EventCountry "NET"] [Tiebreak "Direct encounter+Number of wins+Koya"] [SourceTitle "playchess.com"] [Source "ChessBase"] [SourceQuality "1"] {[%evp 15,143,30,33,30,25,34,25,8,12,17,26,0,6,0,34,33,88,105,112,58,59,71,86, 86,76,75,45,34,66,10,31,0,11,12,51,53,72,77,83,65,66,39,39,37,31,27,39,50,34, 42,35,36,31,33,35,33,102,109,113,100,114,112,127,120,114,41,61,56,48,42,41,0,0, 0,0,0,6,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,18,0,0,0,0,0,0,0,541,366,465, 468,12837,12836,12840,12840,12844,12844,12845,12845,12845,12845,12845,12846, 12847,12847,12848,12848,12849,12847,12847,12847]} 1. e4 e5 2. Nf3 Nf6 3. Nxe5 d6 4. Nf3 Nxe4 5. Nc3 Nxc3 6. dxc3 Be7 7. Be3 $1 {The main line 7.Be3 scores better than 7.Bf4.} Nc6 8. Qd2 Be6 9. O-O-O {C42: Petroff Defence: 3 Nxe5 and unusual White 3rd moves.} Qd7 (9... Bxa2 $2 10. b3 $18) 10. Kb1 a6 11. Nd4 { White has an edge.} Nxd4 12. Bxd4 O-O 13. Be2 Rfe8 14. h4 {[#]} Qa4 $146 ({ Predecessor:} 14... c5 15. Be3 Qa4 16. b3 Qa3 17. Bf3 c4 18. Bd4 d5 19. g4 a5 20. Qc1 Qd6 {0-1 (37) Solberg,J (2232)-Meijers,V (2446) Germany 2015}) 15. c4 c5 {[#]} (15... Bxc4 $2 16. b3 $18) (15... b5 $14) 16. b3 $1 $16 Qc6 (16... Qd7 17. Bxc5) 17. Bf3 Qc7 18. Bb2 Rad8 19. h5 {Strongly threatening h6.} h6 20. Bd5 $1 Bxd5 21. Qxd5 Qc6 22. Qf5 (22. Qxc6 $14 bxc6 23. Rhe1) 22... Bf8 $11 23. Rh4 Re6 24. Rf4 Qd7 25. a4 Re7 26. Qd3 Rde8 27. Bc3 ({Avoid the trap} 27. Qxd6 $2 Qxd6 28. Rxd6 Re1+ 29. Ka2 Bxd6 $19) 27... Qc6 28. Qg3 ({But not} 28. Qxd6 $2 Qxd6 29. Rxd6 Re1+ $1 {[%mdl 512]} 30. Bxe1 Rxe1+ 31. Rd1 Rxd1+ $19) 28... Re4 $1 29. Rxe4 Rxe4 30. a5 Qd7 31. Rd5 Qg4 32. Qxg4 Rxg4 $14 {[%mdl 4096] Endgame KRB-KRB} 33. g3 Re4 34. Kc1 Re2 35. Rf5 f6 (35... Be7 $14) 36. Kd1 $16 Re6 37. g4 Kf7 38. Kd2 Be7 39. Kd3 Bd8 40. f4 (40. Rf3 $16) 40... Ke8 $14 41. Bd2 Kd7 42. Rd5 Kc6 43. Bc3 Re8 44. Rf5 Re6 45. Bd2 Kd7 46. g5 (46. b4 {looks sharper.} cxb4 47. Bxb4 b6 48. Bc3 Re8 49. g5) 46... fxg5 47. fxg5 Bxg5 48. Bxg5 hxg5 49. Rxg5 $11 {KR-KR} Re7 50. c3 Kc6 51. b4 b6 52. axb6 Kxb6 53. Kc2 Re2+ 54. Kd3 Re7 55. Kd2 Kc6 56. Kc2 Kb6 57. Kb3 cxb4 58. cxb4 Re3+ 59. Ka4 {Threatens to win with Rg6.} (59. Kb2 {seems wilder.} Rh3 60. Rg6 Rh2+ 61. Kc3 Kc6 62. Rg5) 59... Re4 60. Kb3 {aiming for Rg6.} Re7 $2 {[%mdl 8192]} (60... Re3+ $11 { and Black is okay.} 61. Ka4 Re4) 61. Rg6 $18 Kc7 {[#]} 62. Ka4 $1 {White is clearly winning.} Rf7 (62... Re4 $142 63. Rxg7+ Kb6) 63. Ka5 Rf5+ 64. Kxa6 Rxh5 65. Rxg7+ Kc6 66. b5+ Kc5 67. Rc7+ Kd4 68. b6 Rh1 69. b7 Ra1+ 70. Kb6 Rb1+ 71. Ka7 Ra1+ 72. Kb8 {Weighted Error Value: White=0.09/Black=0.20} 1-0 [Event "Chessable Masters Prelims 2021"] [Site "Chess24"] [Date "2021.07.29"] [Round "11.5"] [White "Aronian, Levon"] [Black "Nakamura, Hikaru"] [Result "1/2-1/2"] [ECO "C67"] [WhiteElo "2782"] [BlackElo "2736"] [Annotator "TA"] [PlyCount "28"] [EventDate "2021.07.31"] [EventType "tourn"] [EventCountry "NET"] [Tiebreak "Direct encounter+Number of wins+Koya"] [SourceTitle "playchess.com"] [Source "ChessBase"] [SourceQuality "1"] 1. e4 e5 2. Nf3 Nc6 3. Bb5 Nf6 4. O-O Nxe4 5. d4 Nd6 6. dxe5 Nxb5 7. a4 Nbd4 8. Nxd4 d5 9. exd6 Nxd4 10. Qxd4 Qxd6 11. Qe4+ Qe6 12. Qd4 Qd6 13. Qe4+ Qe6 14. Qd4 Qd6 {[#] Predecessor: 1-0 (25) Abdusattorov,N (2627)-Nakamura,H (2736) Chess.com INT 2021} 1/2-1/2 [Event "Chessable Masters Prelims 2021"] [Site "Chess24"] [Date "2021.07.29"] [Round "11.6"] [White "Tari, Aryan"] [Black "Anton Guijarro, David"] [Result "0-1"] [ECO "B13"] [WhiteElo "2639"] [BlackElo "2673"] [Annotator "TA"] [PlyCount "102"] [EventDate "2021.07.31"] [EventType "tourn"] [EventCountry "NET"] [Tiebreak "Direct encounter+Number of wins+Koya"] [SourceTitle "playchess.com"] [Source "ChessBase"] [SourceQuality "1"] {[%evp 9,102,26,36,22,34,23,25,29,32,14,10,19,10,5,10,0,0,0,-2,-17,8,0,4,0,13, 10,6,18,24,43,55,51,69,66,68,67,60,0,0,0,79,68,142,145,150,130,248,159,273,94, 185,146,118,135,125,0,0,0,324,323,284,258,259,0,0,-529,-479,-828,-806,-774, -806,-746,-710,-1738,-406,-1733,-1712,-1628,-1031,-2992,-3054,-5202,-1485, -29980,-29981,-5703,-2229,-2261,-2071,-12848,-9377,-29987,-29988,-29988,-29989] } 1. e4 c6 2. d4 d5 3. exd5 cxd5 4. Bd3 Nc6 5. c3 e6 6. Bf4 {B13: Caro-Kann: Exchange Variation and Panov-Botvinnik Attack.} Nge7 7. Nd2 Ng6 8. Bg3 { White has an edge.} Bd6 9. Ngf3 Nf4 {[#]} 10. Bxf4 $146 ({Predecessor:} 10. Qc2 Nxg2+ 11. Kf1 Nf4 12. Bxh7 g6 13. Bxf4 Bxf4 14. Bxg6 fxg6 15. Qxg6+ {1/2-1/2 (15) Szabo,L (2055)-Oze,K (1845) Godollo 1996}) 10... Bxf4 11. Qc2 g5 12. g3 Bd6 13. O-O Bd7 14. Rae1 Qf6 15. b4 {[%CAl Bb2b4,Bb4b5][%mdl 32]} Rc8 {And now ...Nxb4! would win.} 16. Qb1 h5 17. b5 Ne7 18. c4 g4 19. Ne5 Bxe5 20. Rxe5 Qh6 21. Re2 h4 22. Qb4 Qf6 {Threatens to win with ...hxg3.} 23. Re5 Qh6 24. Re2 Qf6 $1 25. c5 Nf5 (25... Kf8 $14) 26. Bxf5 $16 Qxf5 27. Rfe1 h3 (27... f6 $16 { keeps fighting.}) 28. a4 f6 (28... Qg6 $16 29. Re3 Qf6) 29. a5 $2 (29. Qa5 $18 {is the precise move to win.} Rd8 30. c6 bxc6 31. bxc6 (31. Qxa7 cxb5 32. axb5 O-O $14)) 29... Kf7 (29... O-O $16) 30. a6 {[%mdl 64] [#] Overworked Piece} bxa6 31. c6 Be8 {White should prevent ...axb5.} 32. Qd6 ({Don't play} 32. Rxe6 $6 Qxe6 33. Rxe6 Kxe6 $11) (32. Qc5 $16 axb5 33. Rxe6) 32... axb5 $40 {Black mounts an attack.} 33. c7 {[%CAl Re2e6]} ({Wrong is} 33. Rxe6 $2 Rxc6 34. Re7+ Kg6 $19) 33... Kg6 $2 {[%mdl 8192]} (33... Kg7 $1 $11) 34. Rxe6 $18 {R1e5! is the strong threat.} Bf7 35. Re7 Rhe8 {[#]} 36. Rxe8 (36. R1e5 $1 $18 {[%CAl Re5f5]} Qc2 37. Nf1 Rxe7 38. Rxe7) 36... Bxe8 $11 37. Re5 $2 {[%mdl 8192] White is on the road to losing.} (37. Re7 $11 {and White stays safe.}) 37... Qd7 $19 38. Qa6 (38. Rxd5 $142 Rxc7 39. f4) 38... Rxc7 {Strongly threatening .. .Rc6.} 39. Re6 Rc6 40. Rxc6 Qxc6 41. Qxa7 Qc1+ 42. Nf1 b4 {( -> ...Bb5)} 43. Qb8 Qe1 44. Qb7 Bf7 45. Qc8 Qe6 (45... Qd1 $142 46. Qb7 b3) 46. Qb8 Qe4 { [%csl Gh3][%CAl Re4g2]} 47. Ne3 Qxd4 (47... Qb1+ $142 48. Nf1 b3) 48. Qb5 Qa1+ 49. Nf1 Qe1 50. Qd7 Qe4 {[%csl Gh3][%CAl Re4g2]} 51. Ne3 d4 {Weighted Error Value: White=1.14/Black=0.41} 0-1 [Event "Chessable Masters Prelims 2021"] [Site "Chess24"] [Date "2021.07.29"] [Round "11.7"] [White "Iturrizaga Bonelli, Eduardo"] [Black "Harikrishna, Pentala"] [Result "1-0"] [ECO "A20"] [WhiteElo "2607"] [BlackElo "2730"] [Annotator "TA"] [PlyCount "127"] [EventDate "2021.07.31"] [EventType "tourn"] [EventCountry "NET"] [Tiebreak "Direct encounter+Number of wins+Koya"] [SourceTitle "playchess.com"] [Source "ChessBase"] [SourceQuality "1"] {[%evp 9,127,0,73,74,64,84,73,72,69,43,43,52,90,83,97,60,54,60,60,23,60,58,59, 58,50,40,40,43,43,48,38,42,56,53,47,51,72,11,24,0,16,13,93,78,81,87,91,18,30, 29,95,0,45,42,53,0,4,8,16,0,49,56,63,45,42,39,88,81,119,99,151,152,150,142,122, 106,164,160,143,127,112,102,117,8,790,2626,1769,1641,29974,29975,29990,29991, 29991,1701,1284,1150,29946,29947,12798,12614,7428,5081,12139,4602,1800,1448, 11031,9295,29976,29974,29976,29977,29973,29973,29967,29967,29965,4631,29978, 29974]} 1. c4 e5 2. g3 c6 3. Nf3 e4 4. Nd4 d5 5. d3 {[#]} c5 $146 (5... Bc5 $11 6. Nb3 Bb4+ 7. Bd2 Bxd2+ 8. Qxd2 exd3) ({Predecessor:} 5... exd3 6. Qxd3 dxc4 7. Qxc4 Nf6 8. Bg2 Be7 9. O-O O-O 10. Nc3 Nbd7 11. Rd1 Ne5 {1-0 (67) Iturrizaga Bonelli,E (2951)-Moiseenko,A (2853) Chess.com INT 2019}) 6. Nb5 $1 $16 {A20: English Opening: 1...e5.} a6 7. N5c3 dxc4 8. dxe4 {White is better.} Qxd1+ 9. Nxd1 (9. Kxd1 {is more complex.} Nc6 10. Nd5 Ra7 11. Bf4 Nf6 12. Nbc3) 9... Nc6 10. Nbc3 Nf6 11. Bg5 Be7 12. f4 Nd4 {Strongly threatening ...Nc2+.} 13. Ne3 b5 14. O-O-O Bb7 15. Bxf6 Bxf6 16. Ned5 Bd8 17. e3 Nc6 18. e5 Nb4 19. a3 Nxd5 20. Nxd5 O-O 21. Bg2 Rb8 22. Be4 Re8 23. Bf5 (23. Nc3 $16) 23... Bc6 $1 $11 24. e4 g6 25. Bh3 b4 (25... Kf8 $11) 26. axb4 $16 cxb4 27. Rd4 c3 28. Rhd1 ({Much weaker is} 28. Nxb4 cxb2+ 29. Kc2 Ba4+ 30. Kxb2 f6 $11) (28. bxc3 $16 bxc3 29. Rc4 (29. Nxc3 Kg7 $16)) 28... Ba4 $11 29. R1d3 Bb5 (29... cxb2+ $11 { remains equal.} 30. Kxb2 Bc6) 30. Rd1 ({Of course not} 30. bxc3 $6 Bxd3 31. Rxd3 bxc3 $11) ({White should play} 30. Rxb4 $16 {And now Bd7! would win.} Rf8 31. Re3 (31. Rxc3 Ba5 $16)) 30... cxb2+ 31. Kxb2 a5 32. Rc1 ({Better is} 32. Nf6+ $14 Bxf6 33. exf6) 32... Kg7 33. Rc5 Ba4 34. Rdc4 Bd1 35. Bd7 Rf8 36. Rd4 Bf3 37. f5 gxf5 38. exf5 Bxd5 39. Rcxd5 {Hoping for f6+.} Bb6 (39... h5 $142) 40. Rg4+ Kh8 41. f6 Rg8 42. Rc4 Rbd8 (42... h6 $16 43. Kb3 Rbd8) 43. Kb3 $1 $18 Bg1 44. Rh4 {Bf5! is the strong threat.} Rg5 45. Kc4 Bb6 {[#]} 46. g4 (46. Re4 $1 $16) 46... h5 $2 {[%mdl 8192] [#] Black cannot hold the game after this.} ( 46... b3 $11 47. Kxb3 Bc7) 47. e6 $1 {[%mdl 64] Discovered Attack} Rxd5 48. Kxd5 fxe6+ 49. Kxe6 {[%mdl 4096] Endgame KRB-KRB} b3 50. Rxh5+ Kg8 51. Rb5 (51. f7+ $142 Kg7 52. Be8 Bc5 53. Rxc5 Rd1 54. Rg5+ Kh7 55. f8=Q Re1+ 56. Kf7 Rf1+ 57. Rf5 Rxf5+ 58. gxf5 b2 59. Qg7#) 51... Bd4 52. Rxb3 Bxf6 53. Kxf6 Rxd7 { KR-KR} 54. Rb8+ Kh7 55. Ra8 Rd6+ 56. Kg5 Rd5+ 57. Kh4 Rd2 58. h3 Ra2 59. Kg5 a4 60. Ra7+ Kg8 61. Kg6 {[%CAl Ra7a8]} Kf8 62. h4 a3 63. g5 (63. Ra8+ $142 Ke7 64. h5 Rf2 65. h6 Rf6+ 66. Kh5 a2 67. h7 Rf1 68. Rxa2) 63... Ra1 64. h5 {Weighted Error Value: White=0.16/Black=0.58} 1-0 [Event "Chessable Masters Prelims 2021"] [Site "Chess24"] [Date "2021.07.29"] [Round "11.8"] [White "Ju, Wenjun"] [Black "Artemiev, Vladislav"] [Result "0-1"] [ECO "E06"] [WhiteElo "2560"] [BlackElo "2704"] [Annotator "TA"] [PlyCount "110"] [EventDate "2021.07.31"] [EventType "tourn"] [EventCountry "NET"] [Tiebreak "Direct encounter+Number of wins+Koya"] [SourceTitle "playchess.com"] [Source "ChessBase"] [SourceQuality "1"] {[%evp 15,110,10,10,5,8,15,31,16,25,8,61,68,68,49,65,-18,0,0,-13,-17,-4,-60, -50,-56,-37,-50,0,2,0,7,1,-55,-43,-32,-37,-46,-38,-90,-89,-102,-105,-111,-99, -142,-131,-131,-135,-166,-167,-160,-122,-300,-310,-333,-342,-335,-335,-324, -316,-402,-398,-393,-395,-378,-383,-375,-382,-382,-383,-357,-373,-400,-406, -499,-498,-553,-553,-552,-547,-525,-498,-647,-609,-662,-641,-695,-616,-685, -637,-2075,-1438,-5114,-4906,-29970,-29971,-5302,-4710]} 1. d4 d5 2. c4 c6 3. Nf3 e6 4. Nbd2 Nf6 5. g3 Be7 6. Bg2 O-O 7. O-O b6 8. Qc2 Bb7 9. Rd1 {E06: Closed Catalan: Early deviations.} Na6 10. b3 c5 11. Bb2 {White is slightly better.} Nb4 12. Qb1 {[#]} dxc4 $146 (12... Na6 $11) ({Predecessor:} 12... Re8 13. a3 Nc6 14. dxc5 bxc5 15. cxd5 exd5 16. e3 a5 17. Qc2 Bd6 18. Rac1 a4 19. bxa4 {1/2-1/2 (59) Yarmolyuk,Y (2181)-FeBland,J (2086) IECG email 2006}) 13. dxc5 $14 cxb3 14. Nxb3 Qc8 15. Ng5 ({White should play} 15. Rc1 $14 bxc5 16. Nxc5 (16. Ng5 g6 $16) 16... Bxc5 17. Ng5) 15... g6 $1 $11 16. Bxb7 Qxb7 17. cxb6 {Strongly threatening Bxf6.} axb6 18. Rd4 ({Better is} 18. a3 $11 Nc6 19. h4) 18... Nfd5 $15 19. h4 Rac8 {White must now prevent ...Nc2.} 20. Rd2 Rc4 ( 20... Nc3 $15 21. Bxc3 Rxc3) 21. a3 $11 Nc6 $40 {[%mdl 128] White needs to defend precisely.} 22. Qd3 b5 23. Qf3 ({White should try} 23. Rdd1 $11) 23... Qc7 24. e4 Nb6 25. Rad1 e5 26. Qg4 (26. Qe3 $15) 26... Qc8 $17 27. Qe2 f6 28. Nf3 Qg4 29. Nfd4 Qxe2 30. Nxe2 Na4 31. Ba1 Rxe4 32. Rc2 Rc4 33. Rxc4 {This costs White the game.} (33. Ra2 $17) 33... bxc4 $19 34. Nd2 Rd8 (34... Bxa3 35. Nxc4 Be7 36. Kg2 $17) 35. Nc3 Nxc3 ({Not} 35... Bxa3 36. Nxa4 Rd3 37. Nc3 $16) 36. Bxc3 Bxa3 {Hoping for ...Rd3.} ({Weaker is} 36... Rd3 37. Rc1 $17) 37. Ra1 {[#]} Bb2 {[%CAl Rb2a1][%mdl 576] Deflection} 38. Bxb2 Rxd2 {[%mdl 4096] Endgame KRB-KRN} 39. Bc3 Rd3 40. Rc1 Kf7 41. Be1 Rd4 42. Bc3 Rd5 43. Be1 {[#]} Rc5 44. f4 Ke6 45. fxe5 fxe5 46. Kf2 Kd5 47. Bc3 Nd4 48. Ke3 Rb5 49. g4 Rb3 50. Kd2 Nb5 51. Ba1 Rd3+ 52. Kc2 Nd4+ 53. Kb1 Nb3 54. Re1 Nxa1 55. Kxa1 e4 { Weighted Error Value: White=0.30/Black=0.10} 0-1 [Event "Chessable Masters Prelims 2021"] [Site "Chess24"] [Date "2021.07.29"] [Round "12.1"] [White "Mishra, Abhimanyu"] [Black "Artemiev, Vladislav"] [Result "1/2-1/2"] [ECO "D43"] [WhiteElo "2504"] [BlackElo "2704"] [Annotator "TA"] [PlyCount "181"] [EventDate "2021.07.31"] [EventType "tourn"] [EventCountry "NET"] [Tiebreak "Direct encounter+Number of wins+Koya"] [SourceTitle "playchess.com"] [Source "ChessBase"] [SourceQuality "1"] {[%evp 11,181,11,14,13,13,13,13,15,13,13,11,19,10,6,20,-6,-10,-6,-7,-7,-7,-9, -8,-10,-10,-7,-6,-14,-14,-25,-8,-7,0,-12,-7,-11,-7,-20,-19,-20,-11,-28,-16,-24, -24,-24,-24,-24,-24,-24,-24,-25,-21,-24,-24,-24,-10,-14,-8,-24,-11,-18,-18,-22, 0,0,0,-8,-8,-17,0,0,0,-2,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, 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, 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,-8,-8,-8,-8,-8,-8,-8,-8,-8,-8,-8,-8,-8,-8,-8] } 1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. Qb3 e6 5. Bg5 Nbd7 6. Nc3 Qa5 7. Bd2 { D43: Semi-Slav: 5 Bg5 h6.} Qb6 8. Qc2 Be7 9. e3 O-O 10. Bd3 dxc4 11. Bxc4 c5 12. O-O Qc7 {[#]} 13. Bb3 $146 ({Predecessor:} 13. e4 cxd4 14. Nb5 Qb8 15. Nbxd4 Ne5 16. Bb3 Bd7 17. Bg5 Ng6 18. Rad1 h6 19. Bc1 {1/2-1/2 (54) Romanov,E (2576)-Sokolov,I (2657) Budva 2009}) 13... a6 14. dxc5 Qxc5 15. Ne4 Qxc2 16. Bxc2 b6 17. Nxf6+ Bxf6 18. Nd4 Bb7 19. Bc3 Rac8 20. Rad1 Ne5 21. Bb3 Rfe8 22. Rd2 Nc4 23. Bxc4 Rxc4 24. Ne2 Be7 25. Rfd1 Rcc8 26. Nf4 Red8 27. Rxd8+ Rxd8 28. Rxd8+ Bxd8 $11 {[%mdl 4096] Endgame KBB-KBN} 29. f3 Bc7 30. Nd3 f6 31. e4 Kf7 32. h3 e5 33. Kf2 Ke6 34. Ke3 a5 35. a3 Bd6 36. b4 {The position is equal.} axb4 37. Bxb4 Ba6 38. Bxd6 Kxd6 {KB-KN} 39. Nb4 Bf1 40. Kf2 Bc4 41. Ke3 Kc5 42. Nd3+ Kb5 {And now ...Ka4 would win.} 43. Nb2 g5 44. g3 Bb3 45. h4 gxh4 46. gxh4 Ba2 47. Kd3 Bf7 48. Ke3 Bb3 49. Kd3 Kc5 50. Ke3 Bc2 51. Kd2 Bb3 52. Ke3 Bf7 53. Kd3 Bh5 54. Na4+ Kc6 55. Ke3 b5 56. Nc3 Bf7 57. f4 Kc5 58. fxe5 fxe5 {next ... Kc4 is good for Black.} 59. Kd3 Bc4+ (59... Be6 {seems wilder.} 60. Nd1 Bd7 61. Ne3 Be6 62. Kc3 Bd7) 60. Ke3 Bf1 61. Nb1 Bh3 62. Kd3 $1 Kd6 63. Nd2 Bg2 64. Ke3 $1 Bh3 65. Kd3 h6 66. Ke3 Bg4 67. Kd3 Kc6 68. Kc3 Bh3 69. Nf3 Kd6 70. Kb4 Bg2 71. Nd2 Kc6 72. Kc3 Kc5 73. Kd3 Kb6 74. Kc3 Ka5 75. Nb3+ Kb6 (75... Ka4 $5 76. Kb2 $8 b4 77. Nc5+ Ka5 $11) 76. Nd2 Bh1 77. Kb4 Kc6 78. Kc3 Kc5 79. Nb3+ Kd6 80. Nd2 Bg2 81. Kb4 Kc6 82. Kc3 Kb7 83. Kb4 Kb6 84. a4 bxa4 85. Nc4+ Kc7 86. Nxe5 Bxe4 87. Ng4 h5 88. Nf6 {[%mdl 64] [#] Double Attack} Bf3 89. Kxa4 Kd6 90. Nxh5 Bxh5 91. Ka3 {Not much happened in this game. Weighted Error Value: White=0.03/Black=0.02} 1/2-1/2 [Event "Chessable Masters Prelims 2021"] [Site "Chess24"] [Date "2021.07.29"] [Round "12.2"] [White "Harikrishna, Pentala"] [Black "Ju, Wenjun"] [Result "1-0"] [ECO "C78"] [WhiteElo "2730"] [BlackElo "2560"] [Annotator "TA"] [PlyCount "67"] [EventDate "2021.07.31"] [EventType "tourn"] [EventCountry "NET"] [Tiebreak "Direct encounter+Number of wins+Koya"] [SourceTitle "playchess.com"] [Source "ChessBase"] [SourceQuality "1"] {[%evp 16,67,39,0,30,6,10,4,32,25,32,32,35,30,38,0,13,-7,31,5,8,15,85,104,109, 93,88,101,90,95,99,66,65,0,220,215,238,206,254,131,300,283,442,444,538,535,591, 463,924,905,2063,1835,29986,29987]} 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Bc5 6. c3 b5 7. Bb3 d6 8. d4 Bb6 9. Be3 Rb8 {C78: Ruy Lopez: Archangelsk and Möller Defences.} 10. Nbd2 O-O 11. h3 {[#]} a5 $146 {The position is equal.} ({Predecessor:} 11... h6 12. Re1 Re8 13. a3 Bb7 14. Bc2 Nd7 15. Nf1 Ne7 16. Ng3 Ng6 17. Qd2 exd4 18. cxd4 {1-0 (33) Vazquez,G (3010)-Praggnanandhaa,R (2779) Chess.com INT 2020}) 12. Bc2 h6 13. Re1 Bd7 14. Bd3 Re8 15. a3 a4 16. Qe2 Ba5 17. Rac1 exd4 18. cxd4 d5 (18... Ne7 $11) 19. e5 $16 Ne4 20. Nxe4 dxe4 21. Bxe4 Bxe1 22. Nxe1 ({Much worse is} 22. Qxe1 $6 Ne7 $11) 22... Na5 23. Qh5 {[%mdl 1024] Black must now prevent Bxh6! White has strong compensation.} Rb6 24. d5 (24. Rc5 $14) 24... Ra6 $2 {[#]} (24... Nc4 $1 $11 {and Black has nothing to worry.} 25. Nd3 (25. Bxb6 Rxe5 26. Bxc7 Qxc7 $11) 25... Nxe3 26. fxe3 b4) 25. Nf3 $1 $18 {aiming for e6!} Nc4 {[#]} 26. Bd4 $1 Qe7 27. Re1 $40 { [%mdl 128] Black is in trouble.} (27. e6 $18) 27... Qf8 $2 {A mistake that costs the game.} (27... c5 $16 {was called for.} 28. Bc3 b4) 28. Bc3 Qe7 (28... Rb6 {might work better.} 29. Bd3 c5) 29. Bd3 Bc8 30. Nd4 Nxe5 31. Bxb5 { [%mdl 64] Double Attack} g6 (31... Qg5 $142 32. Qxg5 Nf3+ 33. Nxf3 Rxe1+ 34. Bxe1 hxg5 35. Bxa6 Bxa6 36. Nxg5 Bc4) 32. Qxh6 Rf6 33. Bxe8 Qxe8 34. Qg5 { Weighted Error Value: White=0.21/Black=0.70} 1-0 [Event "Chessable Masters Prelims 2021"] [Site "Chess24"] [Date "2021.07.29"] [Round "12.3"] [White "Anton Guijarro, David"] [Black "Iturrizaga Bonelli, Eduardo"] [Result "1/2-1/2"] [ECO "B38"] [WhiteElo "2673"] [BlackElo "2607"] [Annotator "TA"] [PlyCount "84"] [EventDate "2021.07.31"] [EventType "tourn"] [EventCountry "NET"] [Tiebreak "Direct encounter+Number of wins+Koya"] [SourceTitle "playchess.com"] [Source "ChessBase"] [SourceQuality "1"] {[%evp 21,84,29,35,33,32,30,52,49,57,53,45,66,63,4,37,37,185,180,348,333,336, 330,337,330,323,324,320,324,295,148,156,156,183,183,186,181,222,222,234,220, 236,221,239,101,94,36,41,39,34,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0]} 1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 O-O 5. Be3 d6 6. h3 c5 7. Nf3 cxd4 8. Nxd4 Nc6 9. Be2 Bd7 10. O-O Nxd4 11. Bxd4 Bc6 12. Qc2 {B38: Sicilian: Maroczy Bind with 5... Bg7 and 7...0-0.} a5 13. Rad1 a4 14. c5 {White is slightly better.} Qa5 15. cxd6 exd6 16. a3 Rfe8 {[%CAl Rf6e4]} 17. Bf3 (17. f3 $14) 17... Rac8 18. Qd2 { [#]} Qa8 $146 (18... h5 $14) ({Predecessor:} 18... Rcd8 19. Bxf6 {1-0 (19) Lorenzo de la Riva,L (2399)-Fernandez Diaz,C (2221) Sabadell 2018}) 19. Qf4 $1 $18 {[%csl Bd6,Bf6]} Re6 {[#]} (19... Re5 20. Bxe5 dxe5) 20. Nd5 $1 {[%CAl Rd5f6]} Nd7 21. Bg4 (21. Bxg7 Kxg7 22. Bg4 Bxd5 $18) 21... Bxd5 22. exd5 { [%mdl 64] Pin} Re7 23. Bxg7 (23. Qxd6 Rce8 $18) 23... Kxg7 24. Qxd6 Rce8 25. Bxd7 (25. Qb4 $18) 25... Qd8 $16 {[#]} 26. Qb4 $1 Qxd7 (26... Rxd7 27. Qd4+) 27. d6 Re2 28. Rd4 Rc2 29. Rfd1 (29. Qxa4 $6 Qxa4 30. Rxa4 Rxb2 $16) 29... Ree2 30. R4d2 (30. Qxa4 Rxf2 31. Qxd7 Rxg2+ 32. Kh1 Rh2+ 33. Kg1 Rhg2+ 34. Kh1 Rh2+ 35. Kg1 Rhg2+ $11) 30... Rexd2 31. Rxd2 Rxd2 32. Qxd2 $18 {[%mdl 4096] Endgame KQ-KQ} (32. Qc3+ $18 {is the precise move to win.} f6 33. Qxd2) 32... Kf6 $16 { [#]} 33. Qd4+ (33. Qh6 $1 $16) 33... Ke6 $14 34. f4 {[%csl Gf4][%CAl Rd4e5]} f6 35. Kh2 (35. g4 $5 {[%CAl Rf4f5]} Qxd6 36. Qe4+ (36. Qxa4 Qb6+ {[%mdl 64] Double Attack} 37. Kf1 Qxb2 $11) 36... Kf7 37. Qxb7+ Kg8 38. Qa8+ Kg7 39. Qa7+ (39. Qxa4 Qc5+ 40. Kg2 Qd5+ 41. Kf1 Qd3+ 42. Ke1 Qb1+ 43. Qd1 Qxb2 $14) 39... Kf8 40. Qa8+ (40. Qxa4 Qc5+ 41. Kg2 Qd5+ 42. Kf1 Qd3+ 43. Ke1 Qe3+ 44. Kd1 Qxh3 $14) (40. Qxh7 Qd4+ 41. Kf1 Qxf4+ 42. Ke2 Qh2+ 43. Kf1 Qf4+ 44. Ke2 Qh2+ 45. Kf1 Qf4+ $11) 40... Kg7 41. Qb7+ (41. Qxa4 Qc5+ 42. Kg2 Qd5+ 43. Kg1 Qc5+ 44. Kg2 Qd5+ 45. Kf1 Qd3+ 46. Ke1 Qe3+ 47. Kd1 Qxh3 $14) 41... Kg8 42. Qa8+ Kg7 $14 ) 35... b5 {The position is equal.} 36. Kg3 (36. g3 {looks sharper.} Qc6 37. h4 Qc2+ 38. Kh3 Qc6 39. g4) 36... Qxd6 37. Qe4+ Kf7 38. Qb7+ Qe7 39. Qd5+ Qe6 40. Qb7+ Qe7 41. Qd5+ Qe6 42. Qb7+ Qe7 {Black escapes into a draw. Weighted Error Value: White=0.15/Black=0.20} 1/2-1/2 [Event "Chessable Masters Prelims 2021"] [Site "Chess24"] [Date "2021.07.29"] [Round "12.4"] [White "Nakamura, Hikaru"] [Black "Tari, Aryan"] [Result "1-0"] [ECO "D85"] [WhiteElo "2736"] [BlackElo "2639"] [Annotator "TA"] [PlyCount "79"] [EventDate "2021.07.31"] [EventType "tourn"] [EventCountry "NET"] [Tiebreak "Direct encounter+Number of wins+Koya"] [SourceTitle "playchess.com"] [Source "ChessBase"] [SourceQuality "1"] {[%evp 23,78,2,1,2,0,0,12,8,35,43,54,41,75,62,33,58,97,68,78,0,0,0,0,0,0,-26, -56,-63,-59,-78,-70,-93,-89,-100,-69,-89,-70,-83,-92,-61,-75,-122,-112,-209, 1078,1052,960,791,29995,29996,29996,29997,29997,29998,29998,29999,29999]} 1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. cxd5 Nxd5 5. e4 Nxc3 6. bxc3 Bg7 7. Bb5+ c6 8. Ba4 O-O 9. Nf3 Bg4 10. O-O c5 11. Be3 Nc6 12. Bxc6 bxc6 13. Rc1 {D85: Exchange Grünfeld: Unusual White 7th moves and lines with 7 Nf3.} Qa5 14. Qc2 Bxf3 15. gxf3 {The position is equal.} cxd4 16. cxd4 Qh5 {[#]} 17. Kg2 $146 ({ Predecessor:} 17. Qxc6 Qxf3 18. e5 Qf5 19. f4 Rab8 20. Qg2 Rb5 21. Rc5 Rfb8 22. Rfc1 Bh6 23. Qc2 Qg4+ 24. Qg2 {0-1 (36) Schaefer,M (2185)-Baldauf,M (2472) Tegernsee 2018}) 17... Rad8 {[%CAl Ba8d8,Bd8d4,Bd4e4,Be4e2][%mdl 32]} 18. Rfd1 f5 19. Qxc6 f4 20. Qe6+ Kh8 {[#]} 21. Bd2 (21. Rc5 $1 $16 Qh4 22. Bc1) 21... Rxd4 $11 22. Be1 Qg5+ 23. Kh1 Qh5 24. Qb3 Qh3 {[%CAl Rh3f1]} 25. Kg1 {[#]} Rxe4 $40 {[%mdl 128] Black is up to no good.} 26. Bc3 {[#]} (26. fxe4 $2 {is the wrong capture.} f3 $19) 26... h5 $1 27. Bxg7+ (27. fxe4 $2 {perishes.} f3 $19) (27. Rd5 Re2) 27... Kxg7 28. Rc5 (28. fxe4 $2 {too greedy.} f3 $19) 28... Re2 29. Qd3 Rxa2 30. Re1 Qh4 31. Qd4+ Kh6 32. Rd5 Rc8 33. Rd7 (33. Re6 $17 { keeps fighting.}) 33... e5 $4 {[%mdl 8192]} (33... Qg5+ $19 34. Kf1 Qb5+ 35. Kg1 e5) 34. Rxe5 $18 Rc1+ 35. Kg2 {White wants to mate with Rxh5+!} Rcc2 {[#]} 36. Rxh5+ $3 {[%mdl 512] White mates.} Qxh5 (36... gxh5 37. Qg7#) (36... Kxh5 37. Qh8+ Kg5 38. Rd5#) 37. Qh8+ Kg5 38. Rd5+ {[%mdl 64] Skewer} Kh4 39. Rxh5+ gxh5 40. Qf6# {[%emt 0:00:30] Weighted Error Value: White=0.15/Black=0.} 1-0 [Event "Chessable Masters Prelims 2021"] [Site "Chess24"] [Date "2021.07.29"] [Round "12.5"] [White "Koneru, Humpy"] [Black "Aronian, Levon"] [Result "0-1"] [ECO "D79"] [WhiteElo "2586"] [BlackElo "2782"] [Annotator "TA"] [PlyCount "166"] [EventDate "2021.07.31"] [EventType "tourn"] [EventCountry "NET"] [Tiebreak "Direct encounter+Number of wins+Koya"] [SourceTitle "playchess.com"] [Source "ChessBase"] [SourceQuality "1"] {[%evp 20,166,19,0,17,0,0,-7,0,0,52,43,32,0,0,0,0,-3,71,29,34,32,32,34,35,25, 43,27,60,39,58,26,23,12,71,65,69,79,112,65,129,55,62,62,44,23,17,33,73,18,153, 149,173,144,29988,0,70,0,35,24,104,0,0,0,152,146,220,126,276,295,291,258,253, 213,213,213,213,213,213,214,208,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, 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,-506,-487,-699, -416,-936,-531,-29978,-29979,-29979,-29979,-29979,-29980,-29980,-29981]} 1. d4 Nf6 2. c4 g6 3. g3 c6 4. Bg2 d5 5. cxd5 cxd5 6. Nc3 Bg7 7. Nf3 O-O 8. O-O b6 9. Ne5 Bb7 10. Bf4 Nc6 11. Rc1 Rc8 {D79: Fianchetto Grünfeld: Symmetrical Variation (6 0-0 c6 7 cxd5 cxd5).} 12. Nxc6 {12.Qd2 is setting a new trend.} Rxc6 {[#]} 13. Qb3 $146 ({Predecessor:} 13. Be5 e6 14. Nb5 Rxc1 15. Qxc1 Qd7 16. Na3 Rc8 17. Qd1 Qc6 18. Qd3 Ne8 19. Bxg7 Kxg7 {0-1 (46) Vo,T (2349)-Lei,T (2534) Ashkhabad 2017}) 13... e6 {The position is equal.} 14. Nb5 a6 (14... Nh5 $11) 15. Rxc6 $1 $14 Bxc6 16. Nc3 {[%CAl Bb5c3,Bc3a4,Ba4c5][%mdl 32]} Nh5 17. Be3 b5 18. Bf3 Qb6 {[#]} (18... Nf6 $11) 19. Na4 $1 Qa7 (19... Qa5 20. Nc5) 20. Nc5 Nf6 21. Rc1 Rc8 22. Bf4 a5 23. Be5 Be8 24. Qd1 Rc6 25. e3 b4 26. Be2 Qb6 ( 26... Ne4 $11 {remains equal.}) 27. a4 $1 $16 {Black must now prevent Bb5.} bxa3 28. bxa3 Qa7 29. Bb5 Rc8 ({Better is} 29... Rb6 $14 30. Bxe8 Nxe8) 30. Bxe8 (30. a4 $16 {And now Bxf6 would win.} Qe7 31. Qd2) 30... Nxe8 $14 31. Bxg7 Nxg7 32. Rb1 (32. Ne4 $5 Qb7 33. Nc5 $14) 32... Rb8 33. Rxb8+ Qxb8 34. Qa4 (34. Qb3 $1 $16 {[%CAl Rb3b8]} Qc7 35. Qb7) 34... Nf5 (34... Qc7 $11 {keeps the balance.}) 35. Qxa5 $16 Qb1+ 36. Kg2 Qb2 $4 {[%mdl 8192]} (36... Qd1 $16) 37. Kg1 $2 (37. Qa8+ {mates} Kg7 38. Nd7 Kh6 (38... Nxe3+ 39. Kf3) 39. Qf8+ { [%mdl 64] Double Attack} Kh5 40. Qxf7 {[%mdl 64] Double Attack} Qc2 41. Qxh7+ Nh6 42. h4) 37... h5 (37... Qb1+ $11 38. Kg2 h5 39. Qd8+ Kg7) 38. h4 (38. Qb4 $14 Qc2 39. Qe1) 38... Qc1+ 39. Kg2 Qc2 (39... Kg7 $11) 40. Kg1 ({White has to play} 40. Qe1 $16) 40... Qd1+ $11 41. Kg2 {Threatening Qd8+.} Qe2 $2 (41... Qc2 $11 42. Qe1 e5) 42. Qd8+ $1 $16 Kg7 (42... Kh7 $16 43. Qg5 e5 44. dxe5 Qb5) 43. Qg5 $18 Qc2 (43... Qa2 $16) 44. Qf4 $1 Nh6 45. Qe5+ Kh7 46. Nd7 {Strongly threatening Nf6+.} (46. Qf6 Kg8) 46... Ng4 47. Nf6+ $1 Nxf6 48. Qxf6 {Endgame KQ-KQ} Kg8 49. Qf4 Qb1 {[#]} 50. a4 $2 (50. Qd6 $1 $18) 50... Qb4 $11 51. Qc7 { aiming for a5.} Qxa4 52. Qb8+ Kh7 53. Qc7 Qe8 54. Kf3 Kg8 55. Kg2 Qf8 56. Kf3 Qg7 57. Qe7 Qh6 58. Qd8+ Kg7 59. Qc7 g5 60. hxg5 Qxg5 61. Qf4 Kg6 62. Qb8 Qg4+ 63. Kg2 Qe4+ 64. Kg1 Kg7 65. Qd8 Qg4 (65... Qf3 {with more complications.} 66. Qc8 Kg6 67. Qh8 Qd1+ 68. Kg2 Qg4) 66. Kg2 Qe4+ 67. Kg1 Qf5 68. Kg2 Qg4 69. Kg1 Qf3 70. Qg5+ Kh7 71. Qd8 Kg6 72. Qg8+ Kf6 73. Kf1 (73. Qh8+ {keeps more tension.} Kg6 74. Qg8+) 73... Qh1+ 74. Ke2 Qe4 75. Qh8+ (75. Qd8+ {is more complex.} Kg6 76. Kf1 Qf5 77. Qg8+ Kf6 78. Qd8+) 75... Kg5 76. Qg7+ Qg6 77. Qe5+ $2 {[%mdl 8192] [#]} (77. Qxg6+ $1 $11 fxg6 78. f4+ Kf6 79. Kf3) 77... Kg4 $1 $19 {[%CAl Rg4h3]} 78. Qf4+ Kh3 79. Qh4+ Kg2 80. Qf4 Qc2+ {Black mates.} 81. Ke1 Qc1+ 82. Ke2 Qf1+ 83. Kd2 Qxf2+ {[%mdl 64] Double Attack. What a fight! Weighted Error Value: White=0.35/ Black=0.52} 0-1 [Event "Chessable Masters Prelims 2021"] [Site "Chess24"] [Date "2021.07.29"] [Round "12.6"] [White "Le, Quang Liem"] [Black "So, Wesley"] [Result "1/2-1/2"] [ECO "D37"] [WhiteElo "2709"] [BlackElo "2772"] [Annotator "TA"] [PlyCount "38"] [EventDate "2021.07.31"] [EventType "tourn"] [EventCountry "NET"] [Tiebreak "Direct encounter+Number of wins+Koya"] [SourceTitle "playchess.com"] [Source "ChessBase"] [SourceQuality "1"] {[%evp 11,38,10,22,30,18,27,22,24,20,12,27,25,18,21,34,17,17,27,21,21,19,19,19, 0,22,0,26,0,18]} 1. Nf3 d5 2. d4 Nf6 3. c4 e6 4. Nc3 Be7 5. Bf4 O-O 6. e3 Nbd7 7. a3 {D37: Queen's Gambit Declined: 5 Bf4.} c5 8. cxd5 Nxd5 9. Nxd5 exd5 10. dxc5 Nxc5 11. Be5 Bf5 $1 {[%mdl 4] outshines the older 11...Bf6.} 12. Be2 Bf6 13. Bxf6 Qxf6 14. Qd4 Qd6 {Threatening ...Nb3.} 15. Rd1 Rfd8 {White should prevent ...Bc2.} 16. Qd2 {[#]} Qf6 $5 $146 {[%mdl 8] An interesting novelty.} ( {Predecessor:} 16... Nb3 17. Qc3 Qb6 18. Nd4 Nxd4 19. Qxd4 Qxd4 20. Rxd4 Rac8 21. g4 Rc1+ 22. Rd1 Rxd1+ 23. Bxd1 Be6 24. f4 f5 25. gxf5 Bxf5 26. Bb3 { 1/2-1/2 (66) Nepomniachtchi,I (2784)-Nakamura,H (2736) chess24.com INT 2020}) 17. Qd4 Qd6 18. Qd2 Qf6 19. Qd4 Qd6 {An uneventful encounter. Weighted Error Value: White=0.06/Black=0.01} 1/2-1/2 [Event "Chessable Masters Prelims 2021"] [Site "Chess24"] [Date "2021.07.29"] [Round "12.7"] [White "Mamedyarov, Shakhriyar"] [Black "Firouzja, Alireza"] [Result "1/2-1/2"] [ECO "D63"] [WhiteElo "2782"] [BlackElo "2759"] [Annotator "TA"] [PlyCount "70"] [EventDate "2021.07.31"] [EventType "tourn"] [EventCountry "NET"] [Tiebreak "Direct encounter+Number of wins+Koya"] [SourceTitle "playchess.com"] [Source "ChessBase"] [SourceQuality "1"] {[%evp 14,70,12,11,41,12,11,11,16,14,15,3,16,0,4,0,0,0,10,0,0,-7,0,0,0,0,0,0,9, 0,0,0,0,0,6,0,10,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0]} 1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. Nc3 Nbd7 5. Bg5 h6 6. Bh4 Be7 7. e3 O-O 8. Rc1 c5 {is now debated instead of 8...c6. D63: Queen's Gambit Declined: Classical: 7 Rc1.} 9. cxd5 Nxd5 {The position is equal.} 10. Bxe7 Nxe7 11. Be2 b6 12. O-O Bb7 13. dxc5 Nxc5 14. b4 Ne4 15. Nxe4 Bxe4 16. Nd4 {[#]} Rc8 $146 ({Predecessor:} 16... Qd6 17. a3 Rfd8 18. Bf3 Bd5 19. Qe2 Rac8 20. h3 a5 21. Nb5 Qe5 22. Bxd5 Nxd5 23. bxa5 bxa5 {1-0 (49) Laurusas,T (2500)-Turgut,A (2269) Chess.com INT 2020}) 17. Qa4 Rxc1 18. Rxc1 Nf5 19. Nxf5 ({Not} 19. Qxa7 $2 Nxd4 20. Qa6 {[#]} Qg5 $1 $19) 19... exf5 20. Bf1 Qe7 21. b5 Rd8 22. Rd1 Rc8 23. Qd4 g6 24. a4 Bb7 25. Qd7 Rc7 26. Qxe7 Rxe7 $11 {[%mdl 4096] Endgame KRB-KRB} 27. a5 bxa5 28. Ra1 Rc7 29. Rxa5 Bc8 30. h4 Be6 31. f3 Kg7 32. Ra6 Bd7 33. Ra5 Be6 34. Ra6 Bd7 35. Ra5 Be6 {An uneventful encounter. Weighted Error Value: White=0.04/Black=0.01} 1/2-1/2 [Event "Chessable Masters Prelims 2021"] [Site "Chess24"] [Date "2021.07.29"] [Round "12.8"] [White "Adhiban, B.."] [Black "Van Foreest, Jorden"] [Result "1-0"] [ECO "C54"] [WhiteElo "2660"] [BlackElo "2688"] [Annotator "TA"] [PlyCount "107"] [EventDate "2021.07.31"] [EventType "tourn"] [EventCountry "NET"] [Tiebreak "Direct encounter+Number of wins+Koya"] [SourceTitle "playchess.com"] [Source "ChessBase"] [SourceQuality "1"] {[%evp 13,107,12,39,4,5,19,36,31,39,7,0,-9,0,0,33,20,14,27,29,28,32,27,21,36, 26,0,16,-10,0,-87,75,85,64,79,322,327,284,254,265,263,242,258,327,346,329,215, 233,228,222,216,208,226,266,259,259,207,270,256,220,203,281,219,238,220,549, 111,400,299,300,230,510,489,452,380,305,229,191,0,0,0,0,0,0,0,0,0,29983,29984, 29984,29985,29985,29986,29986,29987,29987,29988]} 1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. d3 d6 5. c3 Nf6 6. Bg5 h6 7. Bh4 Qe7 8. Nbd2 {C54: Giuoco Piano: 4 c3 Nf6, main lines with 5 d4 and 5 d3.} g5 9. Bg3 a6 10. O-O {White is slightly better.} Ba7 11. Kh1 Nh5 {[#]} 12. b4 $146 {[%CAl Bb2b4,Bb4b5][%mdl 32]} ({ Predecessor:} 12. a4 Nf4 13. b4 Ng6 14. Ne1 Nd8 15. Nc2 Ne6 16. Ne3 Nef4 17. Re1 h5 18. f3 {0-1 (46) Demchenko,A (2660)-Anand,V (2782) Riadh 2017}) 12... O-O 13. a4 Be6 14. b5 Na5 15. Bxe6 fxe6 16. d4 exd4 17. Nxd4 Nxg3+ 18. hxg3 Rf7 19. Qg4 c5 (19... h5 20. Qxe6 Qxe6 21. Nxe6 Rxf2) 20. Nxe6 Kh8 $1 21. Nf3 (21. f4 $11 h5 22. Qd1 (22. Qxh5+ $2 Rh7 $19) 22... Qxe6 23. Nf3) 21... h5 $2 (21... Rf6 $17 22. Nexg5 hxg5 23. Qxg5 (23. Nxg5 Rh6+ 24. Nh3 Rg8 $19) 23... Qg7 24. Qxg7+ Kxg7) 22. Qxg5 $16 {Black must now prevent Qd5.} (22. Qxh5+ $2 Rh7 $19) 22... Qxe6 23. Qxh5+ Kg8 $2 ({Don't blunder} 23... Rh7 $2 24. Qxh7+ Kxh7 25. Ng5+ Kg8 26. Nxe6 $18) (23... Kg7 $16 24. Ng5 {[%mdl 64] Double Attack} Qg6 25. Qxg6+ Kxg6 26. Nxf7 Kxf7) 24. Ng5 $1 $18 {[%csl Be6,Bf7][%mdl 64] Double Attack } Qf6 25. e5 ({Less strong is} 25. Qxf7+ Qxf7 26. Nxf7 Kxf7 $16) 25... dxe5 26. Nxf7 Qxf7 27. Qxe5 {Threatens to win with Rae1.} Nc4 28. Qg5+ Qg7 29. Qxg7+ Kxg7 30. Rad1 axb5 31. axb5 Kf6 32. Rd7 Bb6 33. Rxb7 Ba5 34. Ra1 $1 Nd6 35. Rh7 Nxb5 36. c4 Nd4 37. Kg1 Nb3 38. Ra3 Rb8 (38... Nd2 {is tougher.} 39. Ra4 Nb3) 39. Rh5 $2 (39. Rd7 $18 {and the rest is easy.}) 39... Rb4 $2 {[%mdl 8192]} ( 39... Bc3 $16) 40. Rd5 Bb6 41. Ra6 {aiming for Rd6+.} Ke6 (41... Ke7 {keeps fighting.} 42. g4 Na5) 42. Rh5 Kd6 {If Black can now play ...Kc6 this consolidates a bit.} 43. Rh6+ Kc7 44. g4 (44. Rhxb6 $2 Rxb6 45. Rxb6 Kxb6 46. g4 Kc6 $11) 44... Kb7 45. Rhxb6+ Rxb6 46. Rxb6+ Kxb6 {[%mdl 4096] Endgame KN-KP } 47. g5 {g6 is the strong threat.} Nd4 48. g6 Nf5 49. f4 {And now g4 would win.} Ne7 $4 {[%mdl 8192]} (49... Kc6 $11 50. g4 Ne7 51. g7 Kd6 52. f5 Ke5) 50. g7 {White mates.} Kc6 51. f5 $1 Ng8 {[#]} 52. g4 $1 Kd6 {[#]} 53. g5 $1 Ke7 54. f6+ {Weighted Error Value: White=0.40/Black=0.55} 1-0 [Event "Chessable Masters Prelims 2021"] [Site "Chess24"] [Date "2021.07.29"] [Round "13.1"] [White "Van Foreest, Jorden"] [Black "Mishra, Abhimanyu"] [Result "1-0"] [ECO "D45"] [WhiteElo "2688"] [BlackElo "2504"] [Annotator "TA"] [PlyCount "105"] [EventDate "2021.07.31"] [EventType "tourn"] [EventCountry "NET"] [Tiebreak "Direct encounter+Number of wins+Koya"] [SourceTitle "playchess.com"] [Source "ChessBase"] [SourceQuality "1"] {[%evp 13,105,-3,-6,-33,-26,-43,-35,-35,-19,-20,-20,-18,-25,-24,0,-27,29,0,46, 41,82,95,95,95,110,109,294,254,336,321,772,733,1073,616,929,898,861,575,1183, 507,506,415,406,403,441,426,486,466,457,451,454,454,450,440,435,435,504,501, 503,500,580,582,578,565,632,637,769,687,1114,1111,1154,1023,1009,1006,969,949, 871,841,29975,29976,29975,29976,29976,29977,29977,29978,29978,29979,29979, 29980,29983,29982,29980,29979]} 1. Nf3 d5 2. d4 Nf6 3. c4 c6 4. Nc3 e6 5. e3 Nbd7 6. Qc2 Bd6 7. g4 h6 8. g5 $5 {[%mdl 4] A promising side line. D45: Semi-Slav: 5 e3.} hxg5 9. Nxg5 {[#]} Qe7 $146 ({Predecessor:} 9... e5 10. dxe5 Nxe5 11. Bd2 Bg4 12. cxd5 Nxd5 13. e4 Nb4 14. Qb3 Be7 15. Be2 Bxe2 16. Nxe2 { 0-1 (63) Martorell Aguado,J (2110)-Romero Gamez,F (1795) Barcelona 2014}) 10. Bd2 {Black is slightly better.} dxc4 11. Bxc4 b5 12. Be2 Bb7 $1 13. Bf3 Rc8 14. O-O-O Nb6 (14... Nd5 $142 15. Nge4 c5 16. Nxd6+ (16. Nxb5 Bb8 $17) 16... Qxd6 17. Bxd5 (17. Nxb5 $2 Qb8 $19) 17... Bxd5 18. Nxd5 Qxd5) 15. Kb1 Nfd5 16. Nce4 Nc4 17. Nxd6+ Qxd6 18. Ne4 Qe7 19. Nc5 O-O $2 {This move loses the game for Black.} (19... Nxd2+ $16 20. Qxd2 (20. Rxd2 Rh3 $14) 20... Rh3) 20. Bc1 e5 21. Rhg1 Nb4 $2 (21... e4 22. Qxe4 Qxe4+ 23. Bxe4 Rb8) 22. Qf5 $18 {White wants to mate with Rxg7+!} Rfd8 23. b3 Nd5 24. Bxd5 cxd5 25. bxc4 bxc4 {[#]} 26. Ka1 ( 26. Rxg7+ $142 $3 {[%mdl 512]} Kxg7 27. Rg1+ Kf8 28. Qh3 Qxc5 29. dxc5) 26... Rc6 27. Ba3 {Strongly threatening Rxg7+!} Bc8 28. Qxe5 Qxe5 29. dxe5 Be6 {[#]} 30. Ne4 $1 {[%mdl 512] Black must now prevent Nf6+.} c3 31. Nf6+ Kh8 {[#]} 32. Rd4 $1 {[%CAl Rd4h4]} Rc4 33. Rxc4 dxc4 34. Ne4 c2 {aiming for ...Rd1+.} 35. Nd6 Rb8 36. Rc1 Rb6 37. Rxc2 Ra6 38. Bc5 Ra5 39. Bd4 Ra4 40. Rc3 a6 41. f4 g6 { [#]} 42. Nxf7+ $1 {[%mdl 64] Remove Defender} Bxf7 {[%mdl 4096] Endgame KRB-KRB } 43. e6+ {[%mdl 64] Discovered Attack} Kg8 44. exf7+ Kxf7 {KRB-KR} 45. Bc5 Ke6 46. Ra3 {White mates.} Rxa3 47. Bxa3 {KB-K3P} Kd5 48. Kb2 Ke4 49. Bc5 Kd3 50. Bd4 c3+ 51. Kc1 c2 52. h4 Ke4 53. Kxc2 {Weighted Error Value: White=0.52/ Black=0.38} 1-0 [Event "Chessable Masters Prelims 2021"] [Site "Chess24"] [Date "2021.07.29"] [Round "13.2"] [White "Firouzja, Alireza"] [Black "Adhiban, B.."] [Result "1-0"] [ECO "B52"] [WhiteElo "2759"] [BlackElo "2660"] [Annotator "TA"] [PlyCount "115"] [EventDate "2021.07.31"] [EventType "tourn"] [EventCountry "NET"] [Tiebreak "Direct encounter+Number of wins+Koya"] [SourceTitle "playchess.com"] [Source "ChessBase"] [SourceQuality "1"] {[%evp 23,115,24,34,20,34,19,34,43,45,36,31,34,48,35,59,36,109,77,77,33,96,118, 76,137,163,152,157,19,34,0,45,0,0,0,50,19,36,9,10,9,8,0,25,-7,0,-59,29,29,106, 111,108,96,304,330,295,287,294,292,291,281,352,355,345,342,383,384,396,264,385, 373,347,318,275,272,941,965,923,923,1081,1083,997,1016,1550,1472,1643,1572, 1502,1479,2458,2350,2702,2125,1652,1620]} 1. e4 c5 2. Nf3 d6 3. Bb5+ Bd7 4. Bxd7+ Nxd7 5. O-O Ngf6 6. Qe2 e6 7. d4 cxd4 8. Nxd4 a6 9. c4 Rc8 10. b3 Qa5 11. Bb2 Be7 12. Nc3 O-O 13. Rac1 {[#] B52: Sicilian: Moscow Variation with 3...Bd7. } Rfe8 $146 ({Predecessor:} 13... Qh5 14. Qxh5 Nxh5 15. Rfd1 Rc7 16. g3 Nhf6 17. f3 Rfc8 18. Kg2 Ne8 19. Nf5 exf5 20. Nd5 Bf6 21. Bxf6 Ndxf6 22. Nxc7 Rxc7 23. exf5 {0-1 (53) Shcherbakov,R (2492)-Grischuk,A (2752) Cheliabinsk 2016}) 14. Kh1 Qe5 15. Rcd1 {White is slightly better.} Qa5 16. f4 Qh5 17. Nf3 Red8 18. Rg1 Qa5 19. Nd4 h5 (19... Bf8 $14) 20. Rd3 Bf8 21. Rg3 Re8 (21... b5 $1 $14 ) 22. Rf1 $16 g6 23. f5 exf5 24. Nxf5 Re6 25. Rg5 ({Better is} 25. Nd5 $16 Nxe4 {[#]} 26. Re3 $1 Rce8 27. Nde7+ Bxe7 28. Nh6+ Kh7 29. Rxf7+ Kxh6 30. Bg7+ Kh7 31. Bc3+) 25... Qd8 $11 26. Nd4 (26. Qf2 {feels hotter.} Qe8 27. Qd4 Ne5 28. a4 Qd8 29. Rg3) 26... Re5 27. Nf3 Rxg5 28. Nxg5 Bg7 (28... Bh6 $5 {[%CAl Rh6g5]} 29. Nh3 Bg7 $11) 29. h3 (29. Qf2 $5 {[%CAl Rc3d5]} Qe7 30. Nd5 Nxd5 31. Bxg7 $14) 29... Ne5 30. Nf3 Nxf3 31. Qxf3 {And now Nd5 would win.} Qe7 32. Bc1 { Black must now prevent Bg5.} Qe6 33. Bg5 {[%CAl Rg5f6]} Nh7 34. Bh4 (34. Bd2 $11) 34... b5 (34... Bxc3 $15 35. Qxc3 b5) 35. Nd5 {aiming for Ne7+.} Bf8 ( 35... g5 $11 {remains equal.}) 36. cxb5 $16 axb5 37. Qd3 Re8 $2 {Black cannot hold the game after this.} (37... Qe8 $16 38. a3 Qe6) 38. Qxb5 $18 {Strongly threatening Nc7.} Rc8 39. Qd3 (39. a4) 39... g5 40. Bf2 Bg7 41. Bd4 g4 42. Nf4 Qh6 43. Bxg7 Kxg7 44. h4 Kg8 45. Qd5 g3 (45... Rc5 {was called for.} 46. Qa8+ Qf8) 46. Qf5 Rc2 47. Nxh5 Rf2 48. Qg4+ ({Inferior is} 48. Rxf2 gxf2 49. Qg4+ ( 49. Qxf2 Qxh5 50. Qg3+ Kh8 $11) 49... Kf8 $11) 48... Qg5 $2 (48... Qg6 49. Qxg6+ fxg6 50. Nxg3 Rxa2) 49. Qxg5+ {White is clearly winning.} (49. hxg5 $2 { gets mated.} Rxf1#) 49... Nxg5 50. Nxg3 Rxf1+ 51. Nxf1 Nxe4 {[%mdl 4096] Endgame KN-KN} 52. a4 {[%CAl Ba2a4,Ba4a5,Ba5a6][%mdl 32]} d5 53. a5 Nc3 54. a6 Nb5 55. g4 Kg7 56. Ne3 d4 57. Nf5+ Kf6 {[#]} 58. Nxd4 $1 {[%mdl 576] Promotion. Weighted Error Value: White=0.22/Black=0.30} 1-0 [Event "Chessable Masters Prelims 2021"] [Site "Chess24"] [Date "2021.07.29"] [Round "13.3"] [White "So, Wesley"] [Black "Mamedyarov, Shakhriyar"] [Result "1/2-1/2"] [ECO "C54"] [WhiteElo "2772"] [BlackElo "2782"] [Annotator "TA"] [PlyCount "27"] [EventDate "2021.07.31"] [EventType "tourn"] [EventCountry "NET"] [Tiebreak "Direct encounter+Number of wins+Koya"] [SourceTitle "playchess.com"] [Source "ChessBase"] [SourceQuality "1"] {[%evp 26,27,0,0]} 1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. c3 Nf6 5. d4 exd4 6. cxd4 Bb4+ 7. Bd2 Bxd2+ 8. Nbxd2 d5 9. exd5 Nxd5 10. Qb3 Na5 11. Qa4+ Nc6 12. Qb3 Na5 13. Qa4+ Nc6 {[#]} 14. Qb3 $146 ({Predecessor:} 14. Ke2) 1/2-1/2 [Event "Chessable Masters Prelims 2021"] [Site "Chess24"] [Date "2021.07.29"] [Round "13.4"] [White "Aronian, Levon"] [Black "Le, Quang Liem"] [Result "1/2-1/2"] [ECO "D37"] [WhiteElo "2782"] [BlackElo "2709"] [Annotator "TA"] [PlyCount "198"] [EventDate "2021.07.31"] [EventType "tourn"] [EventCountry "NET"] [Tiebreak "Direct encounter+Number of wins+Koya"] [SourceTitle "playchess.com"] [Source "ChessBase"] [SourceQuality "1"] {[%evp 9,198,8,15,18,29,9,20,12,20,16,40,3,7,2,21,9,17,13,19,0,0,0,0,0,16,27, 18,20,13,22,19,20,14,16,17,21,20,25,215,219,202,-23,-39,-121,388,389,364,192, 196,181,260,250,237,149,140,152,156,160,148,158,235,231,1322,0,0,0,0,0,0,0,0,0, 0,0,0,0,8,8,8,8,8,8,8,8,8,8,8,0,79,0,0,0,0,0,0,0,8,0,0,0,0,0,8,8,8,0,0,0,0,0,0, 0,7,7,8,8,8,8,147,155,155,0,0,0,162,164,216,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, 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. Nf3 d5 4. Nc3 a6 5. e3 b6 6. cxd5 { D37: Queen's Gambit Declined: 5 Bf4.} exd5 7. g3 {[#]} Bd6 $146 ({Predecessor: } 7... c5 8. Bg2 Bb7 9. O-O Bd6 10. b3 Nbd7 11. Bb2 O-O 12. dxc5 bxc5 13. Ne1 Nb6 {1-0 (21) Farhat,M-Khairallah,J Beirut 2012}) 8. Bg2 O-O 9. O-O Re8 10. b3 Nbd7 11. Bb2 Bb7 12. Rc1 Rc8 13. Ne2 a5 14. Qc2 Ba6 15. Rfd1 c6 16. Nf4 Ne4 ( 16... Qe7 {seems wilder.} 17. Bh3 Rc7 18. Bg2 Rec8 19. Bh3 Ra8) 17. Ne5 Nxe5 18. dxe5 Bxe5 19. Bxe4 {[%mdl 64] Pin} Bxb2 20. Bxh7+ (20. Qxb2 Rxe4 21. Qc3 Qe8 $17) 20... Kh8 {[#]} 21. Bg6 $1 Bxc1 22. Bxf7 {White threatens Ng6+ and mate.} Re4 $1 23. Rxc1 g5 $2 (23... Qf6 $11 24. Bg6 Re5) 24. Qb2+ $18 {White has strong compensation.} d4 {[#]} 25. Bg6 $2 Re7 $11 26. Rd1 Rg7 $2 {[%mdl 8192]} ({Avoid the trap} 26... gxf4 $2 27. Rxd4 Qf8 28. Rd8+ Kg8 29. Rxf8+ Rxf8 30. Qd4 $18 (30. exf4 Re1+ 31. Kg2 Bf1+ 32. Kf3 Be2+ 33. Qxe2 Rxe2 $16)) (26... c5 $17 {keeps the pressure on.} 27. exd4 Kg8) 27. Nh5 $18 c5 ({Much worse is} 27... Rxg6 28. Rxd4 Qf8 29. Rf4+ Kg8 30. Rxf8+ Rxf8 31. h3 $18) 28. Nxg7 (28. exd4 $142 c4 29. Nxg7 Kxg7 30. Bf5) 28... Kxg7 29. Bf5 Rc6 (29... Rb8 $142 30. exd4 Qf6) 30. exd4 Qf6 31. g4 Rd6 32. Qc1 cxd4 33. Qc7+ Kf8 34. Bd3 Rc6 {[#]} ( 34... Qe6 $16 35. Kf1 Bxd3+ 36. Rxd3 Rd7 37. Rf3+ Ke7) 35. Qh7 $1 Qf3 $2 {[#]} (35... Bxd3 36. Qxd3 Rd6) 36. Re1 $2 ({Only move:} 36. Qh8+ $1 $18 Kf7 37. Qh5+ {[%mdl 64] Double Attack} Ke7 38. Re1+ Re6 39. Qxg5+ Qf6 40. Qxf6+ Kxf6 41. Rxe6+ Kxe6 42. Bxa6) 36... Qxg4+ $11 ({Stronger than} 36... Bxd3 37. Qh8+ Kf7 38. Qe8+ Kf6 39. Qf8+ Kg6 40. Qxf3 Rc7 41. Re6+ Kg7 42. Qf6+ Kh7 43. Qh6+ Kg8 44. Re8+ Kf7 45. Qf8+ Kg6 46. Re6+ Kh7 47. Rh6#) 37. Kf1 {Qe7+ would kill now.} Bxd3+ 38. Qxd3 {[%mdl 4096] Endgame KQR-KQR} Rc3 39. Qh7 Qh3+ 40. Qxh3 Rxh3 { KR-KR} 41. Re5 Rxh2 42. Rxg5 a4 43. bxa4 Rh1+ 44. Rg1 Rh3 45. Rg3 Rh1+ 46. Ke2 Ra1 47. Ra3 Ke7 48. Kd3 Rd1+ (48... Rf1 $1 $11) 49. Kc4 ({White should play} 49. Ke4 $16) 49... Rd2 50. f3 Ke6 51. Rb3 Rxa2 52. Rxb6+ Kd7 53. Rb4 (53. Kb3 { with more complications.} Re2 54. Rf6 Re5 55. Rf4 Kc6 56. Kc4) 53... Ra3 54. f4 Rf3 $1 55. Rb7+ Kc6 56. Rf7 d3 $1 {[%CAl Rd3d2] ( -> ...d2)} 57. Rf6+ Kd7 58. Kc3 Ke7 59. Rf5 {And now a5 would win.} Ke6 60. Re5+ (60. Rf8 {looks sharper.} Ke7 61. Rh8 Rxf4 62. a5 Ra4 63. Rh7+) 60... Kd6 61. Re4 {a5 is the strong threat.} Kd5 62. Rb4 {Hoping for a5.} Kc5 $1 63. Rb5+ Kc6 (63... Kd6 $11) 64. Rf5 $16 Kb6 65. a5+ $2 (65. Rf8 $16) 65... Ka6 $11 66. Kd2 Kb7 $2 (66... Rh3 $11 {and Black has nothing to worry.}) 67. Rf6 $18 Ka7 68. a6 $2 (68. f5 $18) 68... Rh3 {The position is equal.} 69. f5 {Strongly threatening Re6.} (69. Rf8 $5 {[%CAl Rf8f6]}) 69... Rf3 70. Kc3 {With the idea Kd2.} Rg3 71. Rd6 Rf3 72. f6 {Threatens to win with Rc6.} Kb8 73. Kd4 {Black must now prevent Ke5.} d2 74. Ke5 Rf2 75. Rd7 Kc8 76. Rd3 (76. Rd6 {with more complications.} Kb8) 76... Kb8 77. Ke6 Re2+ 78. Kd7 Rf2 79. Ke7 Re2+ 80. Kf8 Ka7 81. Rd6 Re6 82. Rxe6 { White wants to mate with Rd6.} d1=Q $11 {KQ-KR} 83. f7 Qg4 (83... Qd8+ { is more complex.} 84. Kg7 Qd4+ 85. Kg6 Qf2 86. Rf6 Qg2+) 84. Rf6 Qg5 (84... Qb4+ {with more complications.} 85. Kg7 Qg4+ 86. Kh6 Qh4+ 87. Kg7 Qg5+) 85. Rd6 (85. Ke7 {looks sharper.} Qe5+ 86. Re6 Qg5+ 87. Ke8 Qb5+ 88. Ke7) 85... Qg3 ( 85... Qc1 {keeps more tension.} 86. Ke7 Qg5+ 87. Rf6 Qe5+ 88. Re6 Qg5+) 86. Ke7 Qe5+ 87. Re6 Qc5+ (87... Qc7+ {looks sharper.} 88. Ke8 Qc8+ 89. Ke7 Qc5+ 90. Kf6 Qc8) 88. Kf6 $1 Qc3+ 89. Kg6 Qg3+ 90. Kh7 {aiming for Re7+.} Qh3+ (90... Qf2 {seems wilder.} 91. Kg7 Qd4+ 92. Kg6 Qd8 93. Rf6 Qf8) 91. Rh6 Qf5+ (91... Qf1 {feels hotter.} 92. Kg7 Qg1+ 93. Rg6 Qd4+ 94. Kg8 Qd5) 92. Kg7 Qe5+ (92... Qg4+ {with more complications.} 93. Rg6 Qd4+ 94. Kg8 Qd5 95. Kg7 Qe5+) 93. Rf6 Qg5+ 94. Rg6 Qe5+ 95. Kh7 Qh5+ 96. Kg7 Qe5+ 97. Kg8 Qd5 98. Kf8 Qc5+ 99. Kg7 Qe5+ {Weighted Error Value: White=0.28/Black=0.24} 1/2-1/2 [Event "Chessable Masters Prelims 2021"] [Site "Chess24"] [Date "2021.07.29"] [Round "13.5"] [White "Tari, Aryan"] [Black "Koneru, Humpy"] [Result "1-0"] [ECO "D02"] [WhiteElo "2639"] [BlackElo "2586"] [Annotator "ChessBase"] [PlyCount "59"] [EventDate "2021.07.31"] [EventType "tourn"] [EventCountry "NET"] [Tiebreak "Direct encounter+Number of wins+Koya"] [SourceTitle "playchess.com"] [Source "ChessBase"] [SourceQuality "1"] [TimeControl "900+10"] 1. d4 {[%emt 0:00:00]} d5 {[%emt 0:00:00]} 2. Nf3 {[%emt 0:00:02]} Nf6 { [%emt 0:00:03]} 3. Bf4 {[%emt 0:00:01]} e6 {[%emt 0:00:12]} 4. e3 {[%emt 0:00: 05]} c5 {[%emt 0:00:09]} 5. Nbd2 {[%emt 0:00:03]} Nc6 {[%emt 0:00:26]} 6. c3 { [%emt 0:00:02]} Bd6 {[%emt 0:00:11]} 7. Bg3 {[%emt 0:00:03]} O-O {[%emt 0:00: 26]} 8. Bd3 {[%emt 0:00:02]} b6 {[%emt 0:00:13]} 9. e4 {[%emt 0:00:02]} dxe4 { [%emt 0:01:47]} 10. Nxe4 {[%emt 0:00:03]} Nxe4 {[%emt 0:01:00]} 11. Bxe4 { [%emt 0:00:00]} Bb7 {[%emt 0:00:25]} 12. dxc5 {[%emt 0:01:26]} Bxc5 {[%emt 0: 00:30]} 13. Qa4 {[%emt 0:00:26]} Rc8 {[%emt 0:07:04]} 14. Rd1 {[%emt 0:00:04]} Qe7 {[%emt 0:00:42]} 15. O-O {[%emt 0:00:02]} a5 {[%emt 0:01:59]} 16. a3 { [%emt 0:00:59]} Rfd8 {[%emt 0:01:02]} 17. Rxd8+ {[%emt 0:00:41]} Nxd8 {[%emt 0: 00:59]} 18. Rd1 {[%emt 0:00:02]} b5 {[%emt 0:00:19]} 19. Qc2 {[%emt 0:00:13]} f5 {[%emt 0:00:24]} 20. Bxb7 {[%emt 0:00:11]} Qxb7 {[%emt 0:00:03]} 21. Qe2 { [%emt 0:00:20]} h6 {[%emt 0:00:13]} 22. Ne5 {[%emt 0:00:12]} Nc6 {[%emt 0:00: 24]} 23. Nd3 {[%emt 0:01:27]} Bf8 {[%emt 0:00:12]} 24. Qxe6+ {[%emt 0:00:03]} Kh8 {[%emt 0:00:01]} 25. Ne5 {[%emt 0:00:19]} Nxe5 {[%emt 0:00:03]} 26. Bxe5 { [%emt 0:00:00]} Qc6 {[%emt 0:00:26]} 27. Qxf5 {[%emt 0:00:22]} Re8 {[%emt 0:00: 01]} 28. h4 {[%emt 0:00:24]} Qc5 {[%emt 0:00:05]} 29. Bxg7+ {[%emt 0:00:29]} Kxg7 {[%emt 0:00:17]} 30. Rd7+ {[%emt 0:00:01]} 1-0 [Event "Chessable Masters Prelims 2021"] [Site "Chess24"] [Date "2021.07.29"] [Round "13.6"] [White "Iturrizaga Bonelli, Eduardo"] [Black "Nakamura, Hikaru"] [Result "0-1"] [ECO "A20"] [WhiteElo "2607"] [BlackElo "2736"] [Annotator "TA"] [PlyCount "58"] [EventDate "2021.07.31"] [EventType "tourn"] [EventCountry "NET"] [Tiebreak "Direct encounter+Number of wins+Koya"] [SourceTitle "playchess.com"] [Source "ChessBase"] [SourceQuality "1"] {[%evp 11,58,22,13,13,13,13,20,11,15,8,11,0,0,0,0,-12,0,0,0,0,8,-8,-16,-76,-72, -69,-78,-96,-89,-127,-133,-125,-136,-120,-113,-147,-128,-134,-151,-144,-138, -133,-132,-150,-110,-137,-95,-380,-382]} 1. c4 e5 2. g3 Nf6 3. Bg2 d5 4. cxd5 Nxd5 5. Nf3 Nc6 6. O-O Nb6 7. b3 {A20: English Opening: 1...e5.} Be6 8. Bb2 f6 9. Nc3 {The position is equal.} Qd7 10. Qc1 {[#]} Bb4 $5 $146 {[%mdl 8] An interesting novelty.} ({Predecessor:} 10... Nd4 11. Nxd4 exd4 12. Ne4 O-O-O 13. a4 d3 14. a5 Nd5 15. Nc5 Bxc5 16. Qxc5 Kb8 {1/2-1/2 (63) Carlsen,M (2863) -Nakamura,H (2736) chess24.com INT 2020}) 11. Rd1 O-O-O 12. Ne4 Bd5 13. d3 h5 14. h4 Kb8 15. Qc2 Rhe8 16. Rac1 Qe7 17. Nc5 {[#]} (17. e3 $11 {remains equal.} ) 17... Nd4 $1 $17 {[%CAl Rd4c2]} 18. Nxd4 exd4 19. Ne4 f5 20. Ng5 Bxg2 21. Kxg2 f4 22. Ne4 Qd7 23. a3 {[#]} (23. gxf4 $2 Qg4+ 24. Kh2 Nd5 $19) 23... Be7 24. Qd2 Rf8 25. Rh1 Qg4 26. Rcf1 c5 ({But not} 26... f3+ 27. exf3 Qxf3+ 28. Kg1 $15) 27. Bc1 Nd5 ({Don't do} 27... f3+ 28. exf3 Qxf3+ 29. Kg1 $15) 28. Qc2 Rf5 ({Don't play} 28... f3+ 29. exf3 Qxf3+ 30. Kg1 $17) 29. Bd2 $2 {[%mdl 8192]} ( 29. f3 $17 {was necessary.} Qg6 30. Rh3) 29... Qxe2 {Weighted Error Value: White=0.33/Black=0.02} 0-1 [Event "Chessable Masters Prelims 2021"] [Site "Chess24"] [Date "2021.07.29"] [Round "13.7"] [White "Ju, Wenjun"] [Black "Anton Guijarro, David"] [Result "1-0"] [ECO "A50"] [WhiteElo "2560"] [BlackElo "2673"] [Annotator "TA"] [PlyCount "85"] [EventDate "2021.07.31"] [EventType "tourn"] [EventCountry "NET"] [Tiebreak "Direct encounter+Number of wins+Koya"] [SourceTitle "playchess.com"] [Source "ChessBase"] [SourceQuality "1"] {[%evp 9,85,48,51,34,31,-4,-2,-25,-16,-37,-30,-16,-19,-47,-32,-46,-32,-42,-40, -77,-42,-39,-51,-23,-10,-19,11,16,58,57,81,20,37,50,10,-10,-25,-28,-14,-51,-20, -26,0,0,29,0,0,-46,-27,-30,191,183,199,175,377,349,399,396,531,427,902,896, 1813,1695,29982,29983,29983,29984,29981,29982,29978,29979,29989,29990,29990, 29991,29991,29992]} 1. d4 Nf6 2. c4 b6 {[%CAl Bb7b6,Bb6b5,Bb5b4][%mdl 32]} 3. g3 Bb7 4. Nf3 c5 5. d5 b5 6. Nc3 {A50: Queen's Fianchetto Defence (1 d4 Nf6 2 c4 b6).} b4 $1 {[%CAl Rb4c3]} 7. Nb1 e6 8. Bg2 {The position is equal.} exd5 { [#]} 9. Nh4 $146 {[%CAl Rc4d5]} ({Predecessor:} 9. Ng5 Ne4 10. h4 Be7 11. cxd5 Nxg5 12. hxg5 Bxg5 13. Nd2 d6 14. Nc4 Be7 15. Qc2 {1-0 (45) Vazquez,F (2199) -Avila Pavas,S (2373) Tornelo INT 2021}) 9... g6 10. cxd5 Bg7 11. O-O O-O 12. e4 d6 13. a3 Nbd7 14. Nd2 Re8 15. Re1 Ne5 16. Bf1 Qb6 17. Ng2 Nfg4 18. h3 Nxf2 19. Kxf2 {aiming for Ne3.} c4+ $1 {[#]} 20. Ne3 ({White should try} 20. Re3 $1 $16) 20... c3 $11 21. Nb3 Nd7 22. Rb1 Nf6 23. Bg2 Nxe4+ 24. Bxe4 Rxe4 25. bxc3 Bxc3 (25... bxc3 $142 26. Qd3 Re7) 26. Bd2 Rae8 {Threatens to win with ...R8e5. } 27. axb4 Bg7 {And now ...Bh6 would win.} 28. Nc5 {[%mdl 64] Deflection} dxc5 29. bxc5 Qxc5 {Loses the game.} (29... Qf6+ $11 {and Black stays safe.} 30. Qf3 Qe7) 30. Rxb7 $18 Bd4 {[%CAl Rd4e3] [#]} 31. Qb3 a5 $2 (31... Qd6 {was called for.} 32. Kg2 h5) 32. d6 Rf8 33. d7 ({Less strong is} 33. Kg2 Qxd6 34. Nd5 Rxe1 $18) 33... a4 34. Qb5 Qc2 (34... Qd6 $142 35. Rc1 Ba7) 35. Re2 {Strongly threatening Rb8.} a3 36. Qd5 Rxe3 37. Bxe3 {White mates.} Bxe3+ 38. Kxe3 Qc3+ 39. Kf2 Qf6+ 40. Kg2 Rd8 41. Re8+ Kg7 42. Rxd8 {[%mdl 64] Overworked Piece} Qxd8 43. Qe5+ {Weighted Error Value: White=0.15/Black=0.45} 1-0 [Event "Chessable Masters Prelims 2021"] [Site "Chess24"] [Date "2021.07.29"] [Round "13.8"] [White "Artemiev, Vladislav"] [Black "Harikrishna, Pentala"] [Result "1-0"] [ECO "B22"] [WhiteElo "2704"] [BlackElo "2730"] [Annotator "TA"] [PlyCount "119"] [EventDate "2021.07.31"] [EventType "tourn"] [EventCountry "NET"] [Tiebreak "Direct encounter+Number of wins+Koya"] [SourceTitle "playchess.com"] [Source "ChessBase"] [SourceQuality "1"] {[%evp 28,119,0,0,45,54,55,49,62,47,87,85,89,81,69,64,108,100,100,98,86,90,125, 123,131,133,130,118,126,110,161,145,154,145,145,150,156,146,180,146,247,243, 322,278,266,260,273,161,410,402,541,539,535,402,503,502,496,464,433,450,793, 741,783,532,529,529,529,522,522,469,435,435,435,435,435,435,435,435,526,435, 435,435,434,0,434,434,554,562,29978,29977,29979,29980,29980,29981]} 1. c4 c6 2. e4 d5 3. exd5 cxd5 4. d4 Nf6 5. Nc3 e6 6. Nf3 Bb4 7. cxd5 Nxd5 8. Bd2 Nc6 9. Bd3 O-O 10. O-O Be7 11. a3 Nf6 12. Be3 b6 13. Qe2 Bb7 14. Rad1 Rc8 15. Rfe1 { has lost popularity (15.Bg5).} Nd5 {B22: Sicilian: 2 c3.} 16. Nxd5 Qxd5 17. Bc4 $1 {[%CAl Rc4d5]} Qh5 {White is slightly better.} 18. d5 $1 {[%CAl Rd5c6]} Na5 19. Ba2 {aiming for b4.} Bxd5 20. Bxd5 exd5 {[#]} 21. Bxb6 $1 Nc6 {[#] Black is now going downhill.} (21... axb6 22. Qxe7) 22. Bxa7 {[%mdl 512]} Bxa3 23. bxa3 Nxa7 {[#]} 24. h3 $146 ({Predecessor:} 24. Qa2 Nb5 25. Rxd5 Nc3 26. Rxh5 Nxa2 27. Rhe5 g6 28. h4 Rc3 29. R5e3 Ra8 30. Re8+ Rxe8 31. Rxe8+ {1/2-1/2 (48) Vogt,L (2466)-Grund,H (2390) Germany 1999}) 24... Nc6 25. Qb5 h6 26. Rxd5 Qg6 27. Rc5 Na7 28. Qa5 Rxc5 (28... Nc6 $16 29. Qc3 Qd6) 29. Qxc5 $18 Qa6 30. Ne5 Qb7 31. a4 Rc8 32. Qd6 Re8 33. Nf3 Ra8 (33... Rc8 $16 34. Nd4 Qc7 35. Qxc7 Rxc7 36. Re8+ Kh7) 34. Nd4 {And now Re7 would win.} Qb8 35. Qd7 Qc8 36. Qd5 Qd8 37. Qe5 (37. Qb7 $142) 37... Qb8 $2 (37... Qg5 38. a5 Qxe5 39. Rxe5 Kf8) 38. Qe4 g6 39. h4 h5 40. Nf3 Nc8 41. Rb1 ({Weaker is} 41. Qe8+ Kg7 $18) 41... Qa7 42. Qe8+ Kg7 43. Ng5 Nb6 (43... Qc7 $142 44. Qe4 Rb8 45. Qd4+ Kg8 46. Rxb8 Qxb8) 44. Qc6 Rb8 45. a5 Nd7 46. Rxb8 Nxb8 47. Qc3+ Kg8 48. Qf6 Qb7 49. Qd8+ Kg7 50. Qd4+ Kg8 51. Ne4 ({Less strong is} 51. Qd8+ Kg7 $18) 51... Nc6 52. Nf6+ Kf8 53. Qc5+ Kg7 54. Ne8+ Kg8 {intending ...Qb1+.} 55. Nf6+ Kg7 56. Qc3 Kf8 57. Nd5 {[%CAl Rc3h8]} Qb1+ 58. Kh2 {[%CAl Rc3h8] White mates.} Qb8+ 59. f4 {[%CAl Rc3h8]} Ne7 60. Qc5 {Weighted Error Value: White=0.25/Black=0.52} 1-0 [Event "Chessable Masters Prelims 2021"] [Site "Chess24"] [Date "2021.07.29"] [Round "14.1"] [White "Mishra, Abhimanyu"] [Black "Harikrishna, Pentala"] [Result "1-0"] [ECO "E61"] [WhiteElo "2504"] [BlackElo "2730"] [Annotator "TA"] [PlyCount "139"] [EventDate "2021.07.31"] [EventType "tourn"] [EventCountry "NET"] [Tiebreak "Direct encounter+Number of wins+Koya"] [SourceTitle "playchess.com"] [Source "ChessBase"] [SourceQuality "1"] {[%evp 9,139,31,39,39,31,31,27,34,51,40,36,30,41,29,40,41,54,54,58,55,61,68,65, 43,52,51,79,80,105,50,92,88,86,97,94,118,136,138,144,146,252,181,200,185,208, 136,345,252,376,375,369,234,234,241,228,252,228,248,221,193,174,147,118,80,99, 95,181,177,186,-19,-19,-19,-16,-18,-19,-35,-26,-48,-39,-66,-35,-63,-8,-8,212, 207,191,183,2064,1730,1769,1537,1375,1275,1150,1008,1000,60,60,60,59,59,58,51, 29975,29973,29973,29974,29975,29971,29961,0,29975,29976,29976,29977,29978, 29979,29995,29981,29981,29982,29982,29983,29982,29983,29983,29984,29983,29984, 29992,29993]} 1. d4 d6 2. Nf3 Nf6 3. c4 g6 4. Nc3 Bf5 5. d5 Bg7 6. Nd4 { E61: King's Indian: Early deviations for White, including Smyslov System.} Bd7 7. e4 O-O 8. Be2 {White has an edge.} c5 9. Nf3 e6 10. O-O exd5 11. exd5 a6 12. Bf4 Bg4 13. Qd2 Re8 14. h3 Bxf3 15. Bxf3 Qc7 16. Rae1 Nbd7 17. g4 {[#]} Nf8 $146 ({Predecessor:} 17... Rxe1 18. Rxe1 Ne8 19. Be2 Ne5 20. b3 Qa5 21. Ne4 Qc7 22. Qc2 Rb8 23. a4 Qe7 24. Bg5 Qf8 25. Bd2 Nc7 {1-0 (51) Wallis,C (2324) -Stojic,D (2154) Melbourne 2014}) 18. b3 N6d7 19. g5 (19. Ne4 $16 Ne5 20. Bg2) 19... f5 20. gxf6 $1 Nxf6 21. Bg4 Nxg4 22. hxg4 Qd7 23. f3 h5 24. gxh5 Bd4+ ( 24... Rxe1 $16 25. Rxe1 Qh3) 25. Kg2 gxh5 26. Ne4 Ng6 {[%CAl Bf8g6,Bg6e5,Be5f3] [%mdl 32]} 27. Bg3 {Threatens to win with Qxd4!} (27. Nxd6 $2 Rxe1 28. Rxe1 Bc3 $1 $19 {[%mdl 512]}) 27... Qg7 (27... Re7 $16) 28. Qg5 (28. Nxd6 Rxe1 29. Qxe1 (29. Rxe1 $2 Nh4+ 30. Kh3 Nxf3 $19 {[%mdl 64] Double Attack}) (29. Bxe1 Rf8 $17 ) 29... h4 $11) (28. Bxd6 Nh4+ 29. Kh2 Kh8 $16) 28... Rf8 (28... Re7 {was necessary.} 29. Kh2 (29. Bxd6 $2 Rxe4 30. Kh1 Rh4+ 31. Bh2 Nf4 $19) (29. Nxd6 Bf6 $16) 29... Ne5 30. Qxg7+ (30. Qxh5 Rf8 $18) 30... Rxg7) 29. Kh1 $18 Ne5 30. Qxg7+ Kxg7 31. Nxd6 Nxf3 32. Re7+ Kg6 33. Re6+ (33. Rxb7 h4 $11) 33... Kg7 34. Kg2 h4 35. Re7+ Kg6 36. Be1 (36. Rxb7 $6 hxg3 37. Rxf3 Rxf3 $11) 36... Nxe1+ 37. Rexe1 b5 (37... Rxf1 $16 38. Rxf1 b6) 38. Re6+ (38. cxb5 Rxf1 39. Kxf1 axb5 $11) 38... Kh5 39. Nf5 $2 ({White must play} 39. Nf7 $1 $18 {White threatens Rf5+ and mate.} Rg8+ 40. Kh2) 39... Kg5 40. Ne3 bxc4 {Strongly threatening ... Rxf1.} (40... Rf4 {feels hotter.} 41. Rxf4 Kxf4 42. Nf1 bxc4 43. bxc4 Rb8) 41. bxc4 Rxf1 42. Nxf1 $11 {[%mdl 4096] Endgame KRB-KRN} Rf8 43. Nh2 Rf2+ 44. Kh3 Kf5 45. Re8 Rxa2 (45... Bg7 $15 46. Re1 Bf6) 46. Ng4 $1 Rc2 $2 (46... Kg5 $11 47. Rg8+ Kh5) 47. d6 $18 {d7 is the strong threat.} Rc3+ (47... Rxc4 $2 48. d7 $18) 48. Kxh4 {aiming for d7.} Rxc4 $2 ({But not} 48... Bf6+ $2 49. Nxf6 Kxf6 50. d7 $18) (48... Rd3) 49. Kh5 Rc1 50. Nh6+ Kf4 51. Rf8+ Ke4 52. d7 $1 Rh1+ 53. Kg4 $2 (53. Kg6 $18 Rg1+ 54. Ng4 $1 {[%mdl 576] Promotion} Rxg4+ 55. Kh5) 53... Rg1+ $14 54. Kh3 Bf6 55. Rxf6 {KRN-KR} Rd1 56. Rf7 c4 $2 {[%mdl 8192]} ( 56... Ke5 $14) 57. Re7+ Kf3 58. Ng4 c3 59. Rf7+ Ke2 60. Re7+ Kf3 61. Ne5+ { White mates.} Kf4 62. Re8 c2 63. d8=Q Rh1+ 64. Kg2 Rg1+ 65. Kf2 Rf1+ 66. Ke2 Re1+ 67. Kxe1 c1=Q+ 68. Qd1 Qe3+ {[#]} 69. Qe2 $1 ({Not} 69. Kf1 Qh3+ 70. Ke1 ( 70. Kg1 Qg3+ 71. Kf1 Qh3+ 72. Ke2 Qg2+ 73. Kd3 Qd5+ 74. Kc2 Qa2+ 75. Kc1 Qa3+ 76. Kd2 Qb4+ 77. Ke2 Qe4+ 78. Kf2 Qe3+ 79. Kf1 Qh3+ $16) 70... Qg3+ 71. Kd2 Qe3+ 72. Kc2 Qc5+ 73. Kb2 (73. Kd2 Qe3+ 74. Kc2 Qc5+ 75. Kb2 Qb5+ 76. Kc2 Qc5+ $16) 73... Qb5+ 74. Kc2 Qc5+ 75. Kd3 (75. Kd2 Qe3+ 76. Kc2 Qc5+ $16) 75... Qd5+ 76. Ke2 Qg2+ 77. Ke1 Qg3+ 78. Kd2 Qe3+ 79. Kc2 Qc5+ $16) 69... Qc1+ 70. Kf2 { [%csl Ge5][%CAl Re2g4] Weighted Error Value: White=0.51/Black=0.41} 1-0 [Event "Chessable Masters Prelims 2021"] [Site "Chess24"] [Date "2021.07.29"] [Round "14.2"] [White "Anton Guijarro, David"] [Black "Artemiev, Vladislav"] [Result "0-1"] [ECO "B12"] [WhiteElo "2673"] [BlackElo "2704"] [Annotator "TA"] [PlyCount "88"] [EventDate "2021.07.31"] [EventType "tourn"] [EventCountry "NET"] [Tiebreak "Direct encounter+Number of wins+Koya"] [SourceTitle "playchess.com"] [Source "ChessBase"] [SourceQuality "1"] {[%evp 14,88,8,0,10,7,10,12,15,14,18,12,37,-2,25,22,29,18,22,1,33,5,30,10,0,15, 17,0,0,0,0,0,0,0,0,0,7,0,0,0,0,-4,-4,-4,-8,-17,-13,-19,0,0,0,0,0,0,0,-19,-17, -400,-389,-404,-398,-389,-375,-357,-367,-486,-485,-484,-484,-475,-462,-458, -447,-458,-431,-613,-585]} 1. e4 c6 2. d4 d5 3. e5 Bf5 4. Bd3 Bxd3 5. Qxd3 e6 6. Ne2 c5 7. c3 Nc6 8. O-O Nge7 {B12: Caro-Kann: Advance Variation.} 9. Nd2 Rc8 $5 {[%mdl 4] An interesting side line.} 10. Nf3 {[#]} cxd4 $146 {The position is equal.} ({Predecessor:} 10... Ng6 11. Bd2 Qb6 12. b4 cxd4 13. cxd4 Bxb4 14. Rab1 Qa5 15. Bxb4 Nxb4 16. Qd2 Rc4 {1/2-1/2 (23) Williams,J (2066)-Hagerty,J (2091) ICCF email 2018}) 11. cxd4 Nf5 12. Bd2 h5 13. Ng3 Nh4 14. Nxh4 Qxh4 15. Rac1 Qd8 16. Ne2 Be7 17. Nf4 g6 18. Rc2 Qb6 19. Rfc1 Kd7 20. Ne2 Nb4 21. Bxb4 Qxb4 22. g3 Rc6 23. a3 Qb6 24. Qf3 Rf8 25. h4 g5 26. hxg5 Bxg5 27. Nf4 { Nxd5 is the strong threat.} Rxc2 28. Rxc2 {aiming for Ng6!} Qxd4 29. Qb3 ({ Wrong is} 29. Ng6 $2 fxg6 30. Qxf8 Qd1+ 31. Kg2 Qxc2 $19) 29... Rb8 30. Ne2 Qb6 ({Don't play} 30... Qxe5 $6 31. f4 $16) 31. Qf3 h4 32. gxh4 Bxh4 33. Qxf7+ Be7 {White must now prevent ...Rf8.} 34. Qf4 {Hoping for Qa4+.} Qb3 35. Rc3 { [%mdl 8192] Loses the game.} (35. Qc1 $11 {and White stays safe.} Rg8+ 36. Ng3) 35... Qd1+ $19 {[%mdl 64] [#] Double Attack} 36. Kg2 Qxe2 37. Qa4+ Kd8 38. Qxa7 Qxe5 39. Re3 Qd6 {Black is clearly winning.} 40. Rxe6 Qxe6 41. Qxb8+ {[#]} Qc8 $1 {[%CAl Rc8b8]} 42. Qe5 Qg4+ 43. Kf1 Qc4+ 44. Kg1 (44. Ke1 $142) 44... Qc1+ { Weighted Error Value: White=0.35/Black=0.05} 0-1 [Event "Chessable Masters Prelims 2021"] [Site "Chess24"] [Date "2021.07.29"] [Round "14.3"] [White "Nakamura, Hikaru"] [Black "Ju, Wenjun"] [Result "1-0"] [ECO "D04"] [WhiteElo "2736"] [BlackElo "2560"] [Annotator "TA"] [PlyCount "181"] [EventDate "2021.07.31"] [EventType "tourn"] [EventCountry "NET"] [Tiebreak "Direct encounter+Number of wins+Koya"] [SourceTitle "playchess.com"] [Source "ChessBase"] [SourceQuality "1"] {[%evp 9,181,12,14,8,8,0,32,31,49,66,41,48,50,45,39,33,47,52,86,71,131,120,119, 128,142,148,149,153,174,172,193,170,220,194,216,223,347,300,379,235,246,160, 179,182,163,178,178,194,193,198,227,233,246,225,220,211,202,224,222,221,219, 124,161,164,176,94,95,104,258,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, 0,16,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,-8,-8, -41,0,-6,0,0,0,0,0,0,8,8,8,8,8,8,8,8,38,44,61,38,39,0,53,41,39,24,60,47,80,8,8, 8,70,70,148,141,148,149,149,149,156,156]} 1. Nf3 d5 2. e3 Nf6 3. b3 g6 4. Bb2 Bg7 5. d4 O-O 6. c4 {D04: Colle System.} c5 7. dxc5 Qa5+ 8. Nbd2 {White is slightly better.} dxc4 9. Bxc4 Qxc5 10. Rc1 {[#] Strongly threatening Bxf7+!} Qd6 $146 ({Predecessor:} 10... Qa5 11. a3 Nc6 12. b4 Qd8 13. Qb3 Bg4 14. Ng5 Qe8 15. h3 Bd7 16. O-O e6 {1/2-1/2 (67) Soderberg,J-Houtsonen,P Finland 1988}) 11. O-O Nc6 12. Qe2 a6 13. Rfd1 Qc7 14. b4 Nd7 (14... Qb6 $142) 15. Bxg7 $16 Kxg7 16. Bd5 Nb6 17. Bxc6 bxc6 18. Nb3 e5 19. Na5 Bd7 20. Nd2 Nd5 21. a3 Rfc8 22. Ndb3 {Black must now prevent Rxd5!} Qb6 (22... Nf6 $142 23. Nc5 Be8) 23. Qb2 Qb8 24. Rc5 f6 25. Rdc1 Qd6 26. Qd2 {And now e4 would win.} Qe6 27. R5c2 Be8 28. Nc5 Qe7 29. Qe2 Qa7 30. g3 h5 31. Rd1 Qe7 32. Nxa6 e4 33. Nc5 h4 34. Qc4 ({Don't take} 34. gxh4 $6 f5 $16) 34... f5 35. Na4 (35. Ncb7 $18) 35... g5 36. Qd4+ Kh7 37. Nb6 (37. Rdc1 $18) 37... Nxb6 38. Qxb6 {[%CAl Ra5c6]} Bh5 $2 ( 38... c5 $16) 39. Rd4 $2 (39. Rxc6 $18 {Rh6+ is the strong threat.} Rab8 40. Qa6) 39... c5 $1 $11 {[%CAl Rc5d4]} 40. Rdd2 ({Avoid the trap} 40. bxc5 $2 Rab8 $19) 40... cxb4 41. axb4 Rab8 42. Qa6 Rxc2 43. Rxc2 Rxb4 {Threatens to win with ...Rb1+.} 44. Rc1 Rb2 45. Qc8 Rb5 46. Nc6 Qb7 47. Qxb7+ Rxb7 {[%mdl 4096] Endgame KRB-KRN} 48. Nd4 Bg4 49. Ne6 Kh6 50. gxh4 gxh4 51. Rc6 Kh7 (51... Rb1+ {looks sharper.} 52. Kg2 Ra1 53. Nd4+ Kg5 54. h3 Bh5) 52. Rc1 Kh6 53. Nf4 h3 54. Kf1 Rb2 55. Ke1 (55. Rc6+ {seems wilder.} Kg5 56. Rg6+ Kh4 57. Rh6+ Kg5 58. Rg6+) 55... Ra2 56. Kf1 Kg7 57. Ke1 (57. Ne6+ {looks sharper.} Kf6 58. Nf4 Kg5 59. Ne6+ Kf6) 57... Kf6 58. Rb1 Ke7 59. Rc1 Kd6 (59... Kd7 {seems wilder.} 60. Rb1 Kd6 61. Rb6+ Kc5 62. Rb1 Kd6) 60. Kf1 Ke7 (60... Ra5 {looks sharper.} 61. Ke1 Ra2) 61. Rb1 Kd6 62. Ke1 Ke7 (62... Kc5 {is more complex.} 63. Rc1+ Kd6) 63. Nd5+ (63. Rc1 {feels hotter.}) 63... Kd6 64. Nc3 Rc2 (64... Ra8 {looks sharper.} 65. Nb5+ Ke7 66. Nd4 Kd6 67. Nb5+) 65. Nb5+ Ke5 66. Nd4 Ra2 67. Rc1 Rb2 68. Nc2 f4 69. Kd2 Be6 70. Ke1 Bb3 71. Nd4 fxe3 (71... f3 {is interesting.} 72. Rc5+ Kd6 73. Ra5 Bf7 74. Nf5+ Ke6) 72. fxe3 Bd5 73. Rc2 Rb1+ (73... Rb7 { looks sharper.} 74. Rc5 Rb1+ 75. Kf2 Rh1 76. Rc7 Rxh2+ 77. Kg3 Rg2+) 74. Kf2 Rh1 75. Kg3 Re1 76. Re2 Rg1+ 77. Kxh3 Bc4 78. Rc2 Bd3 (78... Be6+ {seems wilder.} 79. Kh4 Bd7 80. Rc5+ Kf6 81. Rd5 Rg7) 79. Rc5+ Kf6 80. Rc6+ (80. Rh5 { with more complications.} Re1 81. Kg3 Rg1+ 82. Kf2 Rf1+ 83. Kg2) 80... Ke5 81. Rc5+ Kf6 $1 82. Kh4 (82. Rh5 {keeps more tension.} Kg6 83. Rh8 Re1 84. Kg3 Kf6 85. h3) 82... Re1 83. Nf5 Rf1 84. Nh6 $1 Be2 85. h3 (85. Ng4+ $16 Kg6 86. Rc6+ Kg7 87. Rc2 Bxg4 88. Kxg4) 85... Rf3 86. Ng4+ Kg7 (86... Ke7 $11) 87. Rc7+ $14 Kf8 {[#]} (87... Kg8 $14) 88. Rc2 $1 $16 {[%CAl Rc2e2] White is clearly better. } Bd1 89. Rf2 Kg7 90. Rxf3 Bxf3 91. Kg5 {Weighted Error Value: White=0.14/ Black=0.13} 1-0 [Event "Chessable Masters Prelims 2021"] [Site "Chess24"] [Date "2021.07.29"] [Round "14.4"] [White "Koneru, Humpy"] [Black "Iturrizaga Bonelli, Eduardo"] [Result "0-1"] [ECO "E73"] [WhiteElo "2586"] [BlackElo "2607"] [Annotator "Shahid"] [PlyCount "58"] [EventDate "2021.07.31"] [EventType "tourn"] [EventCountry "NET"] [Tiebreak "Direct encounter+Number of wins+Koya"] [SourceTitle "playchess.com"] [Source "ChessBase"] [SourceQuality "1"] [TimeControl "900+10"] {[%evp 0,58,20,20,43,-24,44,32,37,24,51,29,21,7,63,9,6,-33,-33,5,16,36,22,27, 27,27,11,0,0,2,23,15,12,-6,-6,-59,26,20,113,-72,23,-25,13,-59,161,-100,-27, -103,-105,-278,-350,-385,-429,-427,-340,-442,-467,-629,-615,-742,-754]} 1. d4 { [%emt 0:00:00]} Nf6 {[%emt 0:00:00]} 2. c4 {[%emt 0:00:02]} g6 {[%emt 0:00:02]} 3. Nc3 {[%emt 0:00:02]} Bg7 {[%emt 0:00:01]} 4. e4 {[%emt 0:00:01]} O-O { [%emt 0:00:00]} 5. Be3 {[%emt 0:00:11]} d6 {[%emt 0:00:01]} 6. Be2 {[%emt 0:00: 02]} c5 {[%emt 0:00:03]} 7. dxc5 {[%emt 0:00:09]} Qa5 {[%emt 0:00:01]} 8. f3 { [%emt 0:00:12]} dxc5 {[%emt 0:00:09]} 9. e5 {[%emt 0:00:11]} Nfd7 {[%emt 0:01: 22]} 10. f4 {[%emt 0:00:12]} Nc6 {[%emt 0:00:11]} 11. Nf3 {[%emt 0:00:41]} f6 { [%emt 0:00:13]} 12. O-O {[%emt 0:02:51]} fxe5 {[%emt 0:00:06]} 13. Qd5+ { [%emt 0:01:07]} Kh8 {[%emt 0:02:47]} 14. fxe5 {[%emt 0:05:15]} Nb6 {[%emt 0:00: 29]} 15. Qe4 {[%emt 0:01:56]} Bf5 {[%emt 0:00:22]} 16. Qh4 {[%emt 0:00:54]} Nxe5 {[%emt 0:00:00]} 17. Ng5 {[%emt 0:01:06]} h6 {[%emt 0:00:01]} 18. Nge4 { [%emt 0:01:25]} Kh7 {[%emt 0:00:14]} 19. Nxc5 {[%emt 0:00:24]} (19. g4 Bxe4 20. Nxe4) 19... Qb4 {[%emt 0:01:11]} 20. g4 {[%emt 0:01:23]} g5 {[%emt 0:01:19]} 21. Qh3 {[%emt 0:00:20]} Nexc4 {[%emt 0:00:03]} 22. Bf2 {[%emt 0:00:10]} (22. Bxc4 Nxc4 23. Nd5 Qxb2 24. gxf5 $16) 22... Bg6 {[%emt 0:00:43]} 23. Ne6 { [%emt 0:00:02]} Qxb2 {[%emt 0:00:02]} 24. Nxf8+ {[%emt 0:00:11]} Rxf8 {[%emt 0: 00:01]} 25. Bxb6 {[%emt 0:00:09]} Qxb6+ {[%emt 0:01:15]} 26. Kh1 {[%emt 0:00: 02]} Rxf1+ {[%emt 0:00:02]} 27. Rxf1 {[%emt 0:00:03]} Nd2 {[%emt 0:00:25]} 28. Rd1 {[%emt 0:00:36]} Bxc3 {[%emt 0:00:14]} 29. Bd3 {[%emt 0:00:05]} Qc6+ { [%emt 0:00:07]} 0-1 [Event "Chessable Masters Prelims 2021"] [Site "Chess24"] [Date "2021.07.29"] [Round "14.5"] [White "Le, Quang Liem"] [Black "Tari, Aryan"] [Result "1/2-1/2"] [ECO "D40"] [WhiteElo "2709"] [BlackElo "2639"] [Annotator "TA"] [PlyCount "96"] [EventDate "2021.07.31"] [EventType "tourn"] [EventCountry "NET"] [Tiebreak "Direct encounter+Number of wins+Koya"] [SourceTitle "playchess.com"] [Source "ChessBase"] [SourceQuality "1"] {[%evp 18,96,0,-6,0,0,0,0,0,0,0,0,0,-10,-7,-14,0,-18,-27,-40,-27,-39,-24,-59, -45,-40,-10,-39,-20,-26,0,0,0,0,0,0,0,0,14,0,0,0,0,0,0,0,18,0,-4,0,2,2,7,3,7,0, 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,-8,-8,-8,-8]} 1. Nf3 d5 2. d4 Nf6 3. c4 e6 4. Nc3 c5 5. e3 Nc6 6. a3 dxc4 7. Bxc4 a6 8. O-O b5 9. Ba2 Bb7 10. Qe2 cxd4 {D40: Queen's Gambit Declined: Semi-Tarrasch with 5 e3.} 11. Rd1 {[%CAl Re3d4]} b4 12. axb4 Nxb4 13. Bb1 d3 14. Bxd3 Nxd3 15. Rxd3 Qc7 16. e4 Be7 17. Bg5 h6 18. Bh4 O-O {[#]} 19. Bg3 $146 ({Predecessor:} 19. e5 Nd5 20. Nxd5 Bxd5 21. Rc3 Qd7 22. Bxe7 Qxe7 23. Ne1 Qb7 24. Rac1 Rab8 25. Nd3 {1/2-1/2 (31) Chilson,S (2147)-Wojcik,W (2282) ICCF email 2018}) 19... Qb6 20. Ne5 Rfd8 21. Nc4 Qc5 22. Na5 Rxd3 23. Qxd3 Rd8 24. Nxb7 {The position is equal.} Rxd3 25. Nxc5 Bxc5 26. Kf1 ({Much weaker is} 26. Rxa6 {[#]} Nxe4 $1 27. Kf1 Nxc3 $17) 26... Rd2 27. f3 Bd4 28. Ne2 Bxb2 29. Rxa6 Rd1+ 30. Kf2 g5 31. Ra2 Rb1 (31... Ba1 {is more complex.} 32. Ke3 Nd7 33. Rd2 Rxd2 34. Kxd2 Bf6) 32. Rxb2 { [%mdl 64] [#] Remove Defender} Rxb2 33. Be5 {[%mdl 64] Double Attack} Rxe2+ 34. Kxe2 $11 {[%mdl 4096] Endgame KB-KN} Nd7 35. Bd4 Kh7 36. Kf2 Kg6 37. Kg3 f5 38. exf5+ exf5 39. h4 Nf8 40. hxg5 hxg5 41. Be5 Ne6 42. Kf2 f4 43. g3 fxg3+ 44. Kxg3 Kf5 45. Bc3 Nc5 46. Bd2 Nd3 47. Bxg5 Kxg5 48. f4+ Nxf4 {Weighted Error Value: White=0.05/Black=0.04} 1/2-1/2 [Event "Chessable Masters Prelims 2021"] [Site "Chess24"] [Date "2021.07.29"] [Round "14.6"] [White "Mamedyarov, Shakhriyar"] [Black "Aronian, Levon"] [Result "1/2-1/2"] [ECO "D39"] [WhiteElo "2782"] [BlackElo "2782"] [Annotator "TA"] [PlyCount "49"] [EventDate "2021.07.31"] [EventType "tourn"] [EventCountry "NET"] [Tiebreak "Direct encounter+Number of wins+Koya"] [SourceTitle "playchess.com"] [Source "ChessBase"] [SourceQuality "1"] {[%evp 25,49,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0]} 1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. Nc3 Bb4 5. Bg5 dxc4 6. e4 c5 7. Bxc4 cxd4 8. Nxd4 Qa5 9. Bxf6 Bxc3+ 10. bxc3 Qxc3+ 11. Kf1 gxf6 12. Rc1 Qa5 13. Bb5+ {is cutting edge theory.} (13. Qf3 Ke7 14. a4 Qxa4 15. e5 fxe5 16. Qh5 Nc6 17. Qg5+ Kf8 18. Nf5 Rg8 19. Qh6+ Ke8 20. Qf6 Qb4 21. h4 Rg6 22. Qh8+ Qf8 23. Qxh7 exf5 24. h5 Rh6 { 0-1 (24) Mamedyarov,S (2770)-Aronian,L (2781) chess24.com INT 2021}) 13... Ke7 {The position is equal.} 14. e5 {D39: Queen's Gambit Declined: Ragozin Defence with 5 Bg5 dxc4.} fxe5 15. Qh5 $1 {[%CAl Rh5e5]} Nd7 ({Don't go for} 15... exd4 $2 16. Qg5+ f6 17. Qc5+ Kf7 {[#]} 18. Be8+ $1 {[%mdl 512]} Kxe8 19. Qxa5 $18) 16. Qg5+ Kf8 $1 17. Rxc8+ {[%mdl 64] [#] Remove Defender} Rxc8 18. Bxd7 { Nxe6+! would kill now.} Qd8 $1 {[%CAl Rd8g5]} ({Inferior is} 18... h6 19. Nxe6+ fxe6 20. Qf6+ Kg8 21. Bxe6+ Kh7 22. Qf7#) 19. Nxe6+ fxe6 20. Qh6+ Ke7 21. Qxe6+ {[%mdl 64] Double Attack} Kf8 {Strongly threatening ...Rc1+.} 22. Qh6+ Ke7 23. Qe6+ {[%mdl 64] Double Attack} Kf8 {[#] aiming for ...Rc1+.} 24. Qh6+ $146 ({ Predecessor:} 24. Qf5+) 24... Ke7 25. Qe6+ {[%mdl 64] Double Attack. Not much happened in this game. Weighted Error Value: White=0.00/Black=0.00} 1/2-1/2 [Event "Chessable Masters Prelims 2021"] [Site "Chess24"] [Date "2021.07.29"] [Round "14.7"] [White "Adhiban, B.."] [Black "So, Wesley"] [Result "0-1"] [ECO "C54"] [WhiteElo "2660"] [BlackElo "2772"] [Annotator "TA"] [PlyCount "112"] [EventDate "2021.07.31"] [EventType "tourn"] [EventCountry "NET"] [Tiebreak "Direct encounter+Number of wins+Koya"] [SourceTitle "playchess.com"] [Source "ChessBase"] [SourceQuality "1"] {[%evp 14,112,19,19,13,19,14,20,20,17,20,-9,0,0,0,-8,0,-12,0,-11,-10,0,0,-24, -15,-17,-13,-15,-15,-24,0,0,0,0,0,0,0,0,0,0,0,0,0,-16,0,0,0,0,0,0,0,-1,-4,-62, -56,-142,-131,-170,-106,-106,-106,-154,0,-16,0,0,0,-106,-99,-729,-716,-752, -729,-902,-895,-868,-855,-824,-764,-1287,-1020,-12831,-6817,-12841,-12842, -12843,-12843,-12845,-12846,-12846,-12847,-12847,-12847,-12848,-12848,-12849, -12848,-12849,-12849,-12850,-12850]} 1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. d3 d6 5. c3 Bb6 6. O-O h6 7. a4 Nf6 8. b4 a5 {C54: Giuoco Piano: 4 c3 Nf6, main lines with 5 d4 and 5 d3.} 9. b5 Ne7 10. Be3 Bxe3 {The position is equal.} 11. fxe3 O-O 12. Nbd2 Ng6 13. Qe1 c6 14. Nh4 {[#]} d5 $146 ({Predecessor:} 14... Nxh4 15. Qxh4 Be6 16. Bxe6 fxe6 17. Rab1 Nd7 18. Qxd8 Raxd8 19. Rxf8+ Kxf8 20. bxc6 bxc6 {1/2-1/2 (41) Nun,J (2310)-Poleg,M (2226) Pardubice 2019}) 15. exd5 { And now Nxg6 would win.} cxd5 16. Bb3 Nxh4 17. Qxh4 Be6 18. d4 Rc8 19. Rac1 ({ Much worse is} 19. dxe5 Ng4 $17) 19... Ng4 20. Qxd8 Rfxd8 21. Rfe1 $1 Rc7 22. h3 Nf6 23. dxe5 Nd7 24. Nf3 Rdc8 25. Red1 Nb6 26. Nd4 Rxc3 27. Rxc3 Rxc3 28. e4 Rc5 29. Kf2 Kf8 30. Nxe6+ fxe6 31. exd5 (31. Ke3 {is more complex.} Ke7 32. exd5 Nxd5+ 33. Ke4 Nb6 34. Rd6) 31... Nxd5 32. Bxd5 exd5 $11 {[%mdl 4096] Endgame KR-KR} 33. Rd3 (33. h4 $11) 33... Kf7 $15 34. Rg3 (34. h4 $15) 34... Rc2+ $17 35. Kf1 Rc7 (35... Rc4 $19 36. e6+ Kf6) 36. Ke2 Ke6 37. Kd3 {[#]} Kxe5 (37... g5 $1 $17 38. Rg4 Rc1) 38. Rg6 $1 $11 d4 {Strongly threatening ...Kd5.} 39. h4 $1 Kd5 {Threatens to win with ...Kc5.} 40. h5 (40. Rg4 $1 $11 {was the only way to keep the balance.}) 40... Kc5 {aiming for ...Rd7.} 41. Re6 $2 { [%mdl 8192] This costs White the game.} (41. Rg4 $17) 41... Rd7 $19 {Black is clearly winning.} 42. Re8 Kb4 43. Rc8 Kxa4 44. b6 Rd6 45. Rc7 Rxb6 46. Rxg7 Kb3 47. Rg6 Rb5 48. Rxh6 a4 49. Rh8 a3 50. h6 Ra5 51. Rb8 a2 52. Rxb7+ Ka3 53. h7 a1=Q {( -> ...Qc3+)} 54. h8=Q Qc3+ 55. Ke2 {[#]} Re5+ $3 {[%mdl 512]} 56. Qxe5 d3+ {[%mdl 64] Discovered Attack. Weighted Error Value: White=0.63/Black=0.10} 0-1 [Event "Chessable Masters Prelims 2021"] [Site "Chess24"] [Date "2021.07.29"] [Round "14.8"] [White "Van Foreest, Jorden"] [Black "Firouzja, Alireza"] [Result "1/2-1/2"] [ECO "C67"] [WhiteElo "2688"] [BlackElo "2759"] [Annotator "ChessBase"] [PlyCount "28"] [EventDate "2021.07.31"] [EventType "tourn"] [EventCountry "NET"] [Tiebreak "Direct encounter+Number of wins+Koya"] [SourceTitle "playchess.com"] [Source "ChessBase"] [SourceQuality "1"] [TimeControl "900+10"] 1. e4 {[%emt 0:00:00]} e5 {[%emt 0:00:00]} 2. Nf3 {[%emt 0:00:05]} Nc6 { [%emt 0:00:01]} 3. Bb5 {[%emt 0:00:10]} Nf6 {[%emt 0:00:02]} 4. O-O {[%emt 0: 00:02]} Nxe4 {[%emt 0:00:01]} 5. d4 {[%emt 0:00:04]} Nd6 {[%emt 0:00:01]} 6. dxe5 {[%emt 0:00:01]} Nxb5 {[%emt 0:00:01]} 7. a4 {[%emt 0:00:00]} Nbd4 { [%emt 0:00:01]} 8. Nxd4 {[%emt 0:00:00]} d5 {[%emt 0:00:00]} 9. exd6 {[%emt 0: 00:02]} Nxd4 {[%emt 0:00:01]} 10. Qxd4 {[%emt 0:00:01]} Qxd6 {[%emt 0:00:01]} 11. Qe4+ {[%emt 0:00:00]} Qe6 {[%emt 0:00:01]} 12. Qd4 {[%emt 0:00:01]} Qd6 { [%emt 0:00:00]} 13. Qe4+ {[%emt 0:00:00]} Qe6 {[%emt 0:00:00]} 14. Qd4 { [%emt 0:00:01]} Qd6 {[%emt 0:00:01]} 1/2-1/2 [Event "Chessable Masters Prelims 2021"] [Site "Chess24"] [Date "2021.07.29"] [Round "15.1"] [White "Firouzja, Alireza"] [Black "Mishra, Abhimanyu"] [Result "1-0"] [ECO "D04"] [WhiteElo "2759"] [BlackElo "2504"] [Annotator "ChessBase"] [PlyCount "131"] [EventDate "2021.07.31"] [EventType "tourn"] [EventCountry "NET"] [Tiebreak "Direct encounter+Number of wins+Koya"] [SourceTitle "playchess.com"] [Source "ChessBase"] [SourceQuality "1"] [TimeControl "900+10"] 1. d4 {[%emt 0:00:00]} d5 {[%emt 0:00:00]} 2. Nf3 {[%emt 0:00:02]} Nf6 { [%emt 0:00:03]} 3. e3 {[%emt 0:00:01]} c6 {[%emt 0:00:04]} 4. Bd3 {[%emt 0:00: 10]} Bg4 {[%emt 0:00:12]} 5. h3 {[%emt 0:00:21]} Bh5 {[%emt 0:00:11]} 6. c4 { [%emt 0:00:46]} e6 {[%emt 0:00:10]} 7. Qb3 {[%emt 0:00:09]} Qb6 {[%emt 0:00:36] } 8. Nh4 {[%emt 0:00:08]} Na6 {[%emt 0:01:05]} 9. Nc3 {[%emt 0:01:26]} Qxb3 { [%emt 0:00:24]} 10. axb3 {[%emt 0:00:01]} Nb4 {[%emt 0:00:11]} 11. Bb1 { [%emt 0:00:01]} Be7 {[%emt 0:00:12]} 12. g4 {[%emt 0:00:48]} Nd7 {[%emt 0:02: 15]} 13. Nf3 {[%emt 0:02:19]} Bg6 {[%emt 0:00:05]} 14. Bxg6 {[%emt 0:00:08]} hxg6 {[%emt 0:00:03]} 15. Ke2 {[%emt 0:00:01]} O-O {[%emt 0:01:46]} 16. Bd2 { [%emt 0:00:11]} a5 {[%emt 0:00:46]} 17. h4 {[%emt 0:00:10]} f6 {[%emt 0:02:15]} 18. g5 {[%emt 0:01:43]} Kf7 {[%emt 0:01:05]} 19. h5 {[%emt 0:00:02]} gxh5 { [%emt 0:00:26]} 20. Rxh5 {[%emt 0:00:40]} f5 {[%emt 0:01:27]} 21. Rg1 {[%emt 0: 00:57]} Rh8 {[%emt 0:01:23]} 22. g6+ {[%emt 0:01:09]} Kg8 {[%emt 0:00:34]} 23. Rxh8+ {[%emt 0:00:30]} Kxh8 {[%emt 0:00:00]} 24. cxd5 {[%emt 0:00:21]} exd5 { [%emt 0:01:25]} 25. Rh1+ {[%emt 0:01:09]} Kg8 {[%emt 0:00:02]} 26. Ne5 { [%emt 0:00:51]} Nxe5 {[%emt 0:01:39]} 27. dxe5 {[%emt 0:00:00]} b5 {[%emt 0:00: 28]} 28. Rh5 {[%emt 0:00:49]} Rf8 {[%emt 0:00:13]} 29. f4 {[%emt 0:00:12]} Na6 {[%emt 0:00:17]} 30. Kd1 {[%emt 0:00:02]} Nc5 {[%emt 0:00:19]} 31. Ne2 { [%emt 0:00:25]} Nxb3 {[%emt 0:00:31]} 32. Ng3 {[%emt 0:00:00]} Nxd2 {[%emt 0: 00:08]} 33. Kxd2 {[%emt 0:00:02]} a4 {[%emt 0:00:06]} 34. Nxf5 {[%emt 0:00:02]} Bc5 {[%emt 0:00:07]} 35. e6 {[%emt 0:00:14]} b4 {[%emt 0:00:04]} 36. e7 { [%emt 0:00:05]} Re8 {[%emt 0:00:23]} 37. Rh7 {[%emt 0:00:03]} Rxe7 {[%emt 0:00: 02]} 38. Nxe7+ {[%emt 0:00:02]} Bxe7 {[%emt 0:00:00]} 39. Rh1 {[%emt 0:00:34]} Bf6 {[%emt 0:00:17]} 40. Rc1 {[%emt 0:00:30]} Bxb2 {[%emt 0:00:21]} 41. Rxc6 { [%emt 0:00:01]} Kf8 {[%emt 0:00:01]} 42. Ra6 {[%emt 0:00:04]} a3 {[%emt 0:00: 06]} 43. Kc2 {[%emt 0:00:01]} Ke7 {[%emt 0:00:11]} 44. f5 {[%emt 0:00:14]} Bc3 {[%emt 0:00:21]} 45. Kb3 {[%emt 0:00:05]} d4 {[%emt 0:00:13]} 46. exd4 { [%emt 0:00:28]} Bxd4 {[%emt 0:00:00]} 47. Kxb4 {[%emt 0:00:02]} Bb2 {[%emt 0: 00:03]} 48. Kb3 {[%emt 0:00:10]} Bc1 {[%emt 0:00:17]} 49. Re6+ {[%emt 0:00:18]} Kf8 {[%emt 0:00:13]} 50. Rc6 {[%emt 0:00:08]} Bb2 {[%emt 0:00:03]} 51. Rc7 { [%emt 0:00:02]} Ke8 {[%emt 0:00:08]} 52. Ra7 {[%emt 0:00:04]} Kd8 {[%emt 0:00: 07]} 53. Kc4 {[%emt 0:00:14]} Kc8 {[%emt 0:00:03]} 54. Kd5 {[%emt 0:00:08]} Kb8 {[%emt 0:00:02]} 55. Ra4 {[%emt 0:00:02]} Kc7 {[%emt 0:00:12]} 56. Ke6 { [%emt 0:00:17]} Kc6 {[%emt 0:00:04]} 57. f6 {[%emt 0:00:01]} Bxf6 {[%emt 0:00: 02]} 58. Rxa3 {[%emt 0:00:01]} Kc5 {[%emt 0:00:03]} 59. Rh3 {[%emt 0:00:14]} Kd4 {[%emt 0:00:02]} 60. Rh7 {[%emt 0:00:07]} Ke4 {[%emt 0:00:02]} 61. Kf7 { [%emt 0:00:01]} Kf5 {[%emt 0:00:02]} 62. Rxg7 {[%emt 0:00:01]} Bxg7 {[%emt 0: 00:01]} 63. Kxg7 {[%emt 0:00:00]} Ke6 {[%emt 0:00:01]} 64. Kh7 {[%emt 0:00:01]} Kf6 {[%emt 0:00:00]} 65. g7 {[%emt 0:00:00]} Ke5 {[%emt 0:00:02]} 66. g8=Q { [%emt 0:00:01]} 1-0 [Event "Chessable Masters Prelims 2021"] [Site "Chess24"] [Date "2021.07.29"] [Round "15.2"] [White "So, Wesley"] [Black "Van Foreest, Jorden"] [Result "1/2-1/2"] [ECO "C54"] [WhiteElo "2772"] [BlackElo "2688"] [Annotator "TA"] [PlyCount "27"] [EventDate "2021.07.31"] [EventType "tourn"] [EventCountry "NET"] [Tiebreak "Direct encounter+Number of wins+Koya"] [SourceTitle "playchess.com"] [Source "ChessBase"] [SourceQuality "1"] {[%evp 26,27,0,0]} 1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. c3 Nf6 5. d4 exd4 6. cxd4 Bb4+ 7. Bd2 Bxd2+ 8. Nbxd2 d5 9. exd5 Nxd5 10. Qb3 Na5 11. Qa4+ Nc6 12. Qb3 Na5 13. Qa4+ Nc6 {[#]} 14. Qb3 $146 ({Predecessor:} 14. Ke2) 1/2-1/2 [Event "Chessable Masters Prelims 2021"] [Site "Chess24"] [Date "2021.07.29"] [Round "15.3"] [White "Aronian, Levon"] [Black "Adhiban, B...."] [Result "1-0"] [ECO "A01"] [WhiteElo "2782"] [BlackElo "2660"] [Annotator "TA"] [PlyCount "81"] [EventDate "2021.07.31"] [EventType "tourn"] [EventCountry "NET"] [Tiebreak "Direct encounter+Number of wins+Koya"] [SourceTitle "playchess.com"] [Source "ChessBase"] [SourceQuality "1"] {[%evp 9,81,-18,-12,-18,-17,-27,-17,-20,-5,-19,-6,-31,-25,-51,-43,-53,-47,-46, -54,-52,22,-109,-108,-114,-106,-105,-105,-109,-117,-102,-109,-102,-90,-85,-96, -109,-52,-52,-30,-49,-16,-94,-68,-68,-68,-67,-72,-72,-64,-64,-64,-64,-65,-64,0, 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,368,280,6087,5214]} 1. b3 e5 2. Bb2 Nc6 3. e3 Nf6 4. Bb5 Bd6 5. Ne2 a6 6. Bxc6 {A01: Nimzowitsch-Larsen Opening.} dxc6 7. d3 Qe7 8. Nd2 {The position is equal.} Be6 9. O-O O-O-O 10. Qe1 h5 11. e4 h4 12. Nc4 Bxc4 13. bxc4 Nh5 {[#]} 14. Qc3 $146 ({Predecessor:} 14. a4 g5 15. Qc3 Nf4 16. Nxf4 gxf4 17. c5 Qg5 18. f3 Rhg8 19. Rf2 Bf8 20. Qxe5 Bxc5 {0-1 (20) Cottle,N (1879)-Rattray,T ICCF email 2014}) 14... c5 (14... Rde8 $15) 15. f4 (15. Rab1 $11) 15... exf4 $17 16. e5 {[#]} f6 $1 {[%CAl Rd6e5]} 17. exd6 (17. Nxf4 Nxf4) 17... Qxe2 18. dxc7 Qe3+ 19. Rf2 Rde8 {aiming for ...Ng3!} ({Wrong is} 19... Kxc7 $2 20. Re1 $18) 20. Bc1 ({Don't blunder} 20. Qa5 $2 Ng3 $1 $19 {[%mdl 512] }) 20... Qe1+ 21. Qxe1 Rxe1+ 22. Rf1 Rxf1+ $6 (22... Rhe8 $17 23. Rxe1 Rxe1+ 24. Kf2 Rd1) 23. Kxf1 $15 Kxc7 $17 {[%mdl 4096] Endgame KRB-KRN} 24. a4 g5 25. Bd2 (25. Ba3 $11 {remains equal.}) 25... Ng7 26. Bc3 Rh6 27. Re1 {Strongly threatening Re7+.} Nf5 28. Re6 h3 29. Rxf6 Ne3+ 30. Kg1 Rxf6 31. Bxf6 Nxg2 ({ Much weaker is} 31... hxg2 $6 32. Bxg5 Nxc2 33. Bxf4+ Kd7 34. Bd2 $16) ({ Black should play} 31... g4 $15 32. gxh3 gxh3) 32. Bxg5 $15 {KB-KN} Kd6 33. Kf2 Ke5 34. Kf3 Kf5 35. Be7 Ne1+ 36. Ke2 Nxc2 {...Nd4+ is the strong threat.} 37. Bxc5 Ke5 38. Kf3 Kf5 39. a5 Ne1+ $2 {[%mdl 8192]} (39... Na1 $11 {and Black stays safe.}) 40. Ke2 $18 Nc2 {[#]} (40... Ng2 41. Bf2 f3+ 42. Kxf3 Nf4) 41. Kd2 $1 {[%CAl Rd2c2] Weighted Error Value: White=0.18/Black=0.30} 1-0 [Event "Chessable Masters Prelims 2021"] [Site "Chess24"] [Date "2021.07.29"] [Round "15.4"] [White "Tari, Aryan"] [Black "Mamedyarov, Shakhriyar"] [Result "1/2-1/2"] [ECO "C42"] [WhiteElo "2639"] [BlackElo "2782"] [Annotator "TA"] [PlyCount "72"] [EventDate "2021.07.31"] [EventType "tourn"] [EventCountry "NET"] [Tiebreak "Direct encounter+Number of wins+Koya"] [SourceTitle "playchess.com"] [Source "ChessBase"] [SourceQuality "1"] {[%evp 16,72,33,30,42,62,70,39,36,39,39,33,38,35,35,31,39,29,27,0,2,0,0,0,3,0, 0,0,0,0,0,0,0,0,0,-20,-6,-6,-4,-6,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0]} 1. e4 e5 2. Nf3 Nf6 3. Nxe5 d6 4. Nf3 Nxe4 5. d3 Nf6 6. d4 Be7 7. Bd3 O-O {The main line 7...0-0 scores better than 7...Bg4.} 8. O-O Bg4 9. Re1 c5 {C42: Petroff Defence: 3 Nxe5 and unusual White 3rd moves.} 10. h3 Bh5 11. dxc5 (11. d5 { looks sharper.} Nfd7 12. Bf4 f6 13. Bf5 Ne5 14. Nbd2) 11... dxc5 {White is slightly better.} 12. g4 Bg6 13. Bxg6 hxg6 14. Qxd8 Bxd8 15. Bf4 {[#]} Na6 $146 ({Predecessor:} 15... Bb6 16. Na3 Nc6 17. c3 Rfd8 18. Ne5 Nxe5 19. Bxe5 Nh7 20. Rad1 Ng5 21. Kg2 Rxd1 22. Rxd1 {1-0 (54) Santos Latasa,J (2576)-Vallejo Pons,F (2707) Leon 2018}) 16. g5 Nh5 17. Bh2 (17. Bd6 {with more complications.} Ba5 18. Rd1 Rfd8 19. Na3 Bc7 20. Nb5) 17... Bc7 {The position is equal.} 18. Nc3 Bxh2+ 19. Kxh2 Nb4 20. Rac1 f6 21. Ne4 b6 22. a3 Nc6 23. Rcd1 Rad8 24. Rxd8 Rxd8 25. Ng3 Nxg3 26. Kxg3 $11 {[%mdl 4096] Endgame KRN-KRN} Kf7 27. h4 Nd4 28. Nxd4 Rxd4 {KR-KR} 29. Re2 c4 30. c3 Rd3+ 31. f3 b5 32. Kg4 a6 33. Kg3 Rd5 34. Kg4 Rd3 35. Kg3 Rd5 36. Kg4 Rd3 {Weighted Error Value: White=0.04/Black=0.02} 1/2-1/2 [Event "Chessable Masters Prelims 2021"] [Site "Chess24"] [Date "2021.07.29"] [Round "15.5"] [White "Iturrizaga Bonelli, Eduardo"] [Black "Le, Quang Liem"] [Result "1/2-1/2"] [ECO "A20"] [WhiteElo "2607"] [BlackElo "2709"] [Annotator "TA"] [PlyCount "67"] [EventDate "2021.07.31"] [EventType "tourn"] [EventCountry "NET"] [Tiebreak "Direct encounter+Number of wins+Koya"] [SourceTitle "playchess.com"] [Source "ChessBase"] [SourceQuality "1"] {[%evp 11,67,13,0,0,28,28,16,11,40,0,22,22,20,22,16,0,43,32,75,66,93,86,66,67, 77,60,233,54,58,61,51,53,49,63,68,64,94,66,94,21,21,0,130,0,0,0,0,0,0,0,0,0,0, 0,0,0,0,0]} 1. c4 Nf6 2. g3 e5 3. Bg2 d5 4. cxd5 Nxd5 5. Nf3 Nc6 6. O-O Nb6 7. b3 {A20: English Opening: 1...e5.} Be6 8. Bb2 f6 $1 9. Nc3 Qd7 10. Qc1 O-O-O 11. d4 Nxd4 12. Nxd4 exd4 {[#]} 13. Rd1 $1 {[#]} Kb8 $146 (13... Bb4 14. a4) ({ Predecessor:} 13... Bb4 14. Ne4 Qb5 15. Rxd4 Rxd4 16. Bxd4 Qxe2 17. a3 Be7 18. a4 Qd3 19. Bc5 f5 {1/2-1/2 (31) Vecek,M (2330)-Starodubtsev,V (2345) ICCF email 2018}) 14. Ne4 Qb5 15. Bxd4 Be7 (15... Qxe2 $2 16. Rd2 $18) 16. Nc3 Qf5 17. a4 $1 {[%CAl Ba2a4,Ba4a5][%mdl 32]} a6 $1 18. a5 Nd5 {[#]} (18... Nc8 $14) 19. Na4 $2 (19. e4 Nxc3 20. Qxc3 Qb5 $11) ({White should play} 19. Nb5 $1 $18 { [%mdl 512] Black must now prevent e4.} c5 20. Bxc5 (20. e4 Nf4 $16) 20... axb5 21. e4 {[%mdl 64] Double Attack}) 19... Nb4 $14 {[#]} 20. Ba7+ $1 Kxa7 21. Qxc7 {[%csl Gg2][%CAl Rc7b7][%mdl 64] Double Attack} Nd5 $1 {[%CAl Rd5c7]} 22. Bxd5 Rxd5 23. Qxe7 Rhd8 24. Rxd5 Rxd5 {[#]} 25. Rc1 ({Much worse is} 25. Qxg7 $6 Qe5 $15) ({Better is} 25. b4 $1 $16 {aiming for Nb6.} Qe5 {[%mdl 64] Double Attack} 26. Re1) 25... Rxa5 $11 26. Nc5 {[%csl Gc5][%CAl Re7b7]} ({Of course not} 26. Qxg7 Bxb3 27. Nc3 Rc5 $17) 26... Bc8 (26... Rxc5 $1 $11 27. Qxc5+ (27. Rxc5 Qb1+ {[%mdl 64] Double Attack} 28. Kg2 Qe4+ {[%mdl 64] Double Attack} 29. Kg1 Qb1+ {[%mdl 64] Double Attack} 30. Kg2 Qe4+ {[%mdl 64] Double Attack} 31. Kg1 Qb1+ $11 {[%mdl 64] Double Attack}) 27... Qxc5 28. Rxc5 Bxb3) 27. Qc7 (27. Nd3 $16) 27... Ra2 $1 {The position is equal.} 28. Na4 Rxe2 29. Qb6+ Kb8 30. Qd6+ Ka7 31. Qd4+ Kb8 32. Qd6+ Ka7 33. Qd4+ Kb8 34. Qd6+ {Weighted Error Value: White=0.24/Black=0.22} 1/2-1/2 [Event "Chessable Masters Prelims 2021"] [Site "Chess24"] [Date "2021.07.29"] [Round "15.6"] [White "Ju, Wenjun"] [Black "Koneru, Humpy"] [Result "1-0"] [ECO "E07"] [WhiteElo "2560"] [BlackElo "2586"] [Annotator "Shahid"] [PlyCount "105"] [EventDate "2021.07.31"] [EventType "tourn"] [EventCountry "NET"] [Tiebreak "Direct encounter+Number of wins+Koya"] [SourceTitle "playchess.com"] [Source "ChessBase"] [SourceQuality "1"] [TimeControl "900+10"] {[%evp 0,105,20,20,22,1,5,10,-11,6,20,6,8,5,15,22,23,12,9,19,8,8,8,7,7,25,18, 10,-11,-112,-114,-111,-114,-133,-115,-118,-114,-136,-126,-194,-117,-111,-113, -109,-53,-62,-62,-62,-34,-59,-29,-39,-45,-32,-40,-46,-46,-46,-18,-41,-46,-61, -71,-28,-15,-14,-18,-25,-23,-19,75,29,0,0,0,0,0,0,0,-33,0,-39,378,157,166,179, 179,176,259,265,377,390,416,430,490,495,522,530,538,456,482,449,582,892,1022, 1097,1282,1398]} 1. d4 {[%emt 0:00:00]} d5 {[%emt 0:00:00]} 2. c4 {[%emt 0:00: 01]} e6 {[%emt 0:00:04]} 3. Nf3 {[%emt 0:00:01]} Nf6 {[%emt 0:00:02]} 4. Nc3 { [%emt 0:00:08]} Be7 {[%emt 0:00:05]} 5. g3 {[%emt 0:00:17]} O-O {[%emt 0:00:54] } 6. Bg2 {[%emt 0:00:04]} c6 {[%emt 0:00:31]} 7. Qd3 {[%emt 0:00:04]} b6 { [%emt 0:00:33]} 8. O-O {[%emt 0:00:09]} Ba6 {[%emt 0:02:56]} 9. b3 {[%emt 0:00: 03]} Nbd7 {[%emt 0:00:31]} 10. e4 {[%emt 0:00:51]} dxc4 {[%emt 0:00:16]} 11. bxc4 {[%emt 0:00:01]} e5 {[%emt 0:00:17]} 12. dxe5 {[%emt 0:02:07]} Ng4 { [%emt 0:00:26]} 13. Bf4 {[%emt 0:00:02]} g5 {[%emt 0:00:21]} 14. Bh3 {[%emt 0: 11:18]} Ndxe5 {[%emt 0:03:18]} 15. Nxe5 {[%emt 0:00:18]} Nxe5 {[%emt 0:00:09]} 16. Qxd8 {[%emt 0:00:08]} Nf3+ {[%emt 0:00:08]} 17. Kg2 {[%emt 0:00:13]} Raxd8 {[%emt 0:01:39]} 18. Bc7 {[%emt 0:00:02]} Rd3 {[%emt 0:00:15]} 19. Nd1 { [%emt 0:00:02]} Bf6 {[%emt 0:01:28]} 20. Rc1 {[%emt 0:00:10]} Re8 {[%emt 0:00: 57]} (20... Nd2 21. Re1 Nxc4 22. e5 Bd8) 21. Ne3 {[%emt 0:00:18]} Ne5 {[%emt 0: 02:12]} (21... Nd4) 22. Rc2 {[%emt 0:02:15]} h5 {[%emt 0:00:05]} 23. Bf5 { [%emt 0:00:02]} Re7 {[%emt 0:01:00]} 24. Bb8 {[%emt 0:00:16]} Rd8 {[%emt 0:00: 20]} 25. Bxe5 {[%emt 0:00:02]} Bxe5 {[%emt 0:00:06]} 26. f4 {[%emt 0:00:01]} Rd3 {[%emt 0:00:39]} 27. Nd1 {[%emt 0:00:18]} gxf4 {[%emt 0:00:02]} 28. gxf4 { [%emt 0:00:01]} Bd4 {[%emt 0:00:03]} 29. e5 {[%emt 0:00:14]} Ra3 {[%emt 0:00: 03]} 30. Nf2 {[%emt 0:00:01]} c5 {[%emt 0:00:17]} 31. Ne4 {[%emt 0:00:08]} Bb7 {[%emt 0:00:01]} 32. Rf3 {[%emt 0:00:01]} Rxf3 {[%emt 0:00:19]} 33. Kxf3 { [%emt 0:00:00]} f6 {[%emt 0:00:15]} 34. e6 {[%emt 0:00:06]} Bc8 {[%emt 0:00:12] } 35. Re2 {[%emt 0:00:09]} Bb7 {[%emt 0:00:17]} 36. Kg3 {[%emt 0:00:10]} Rg7+ { [%emt 0:00:12]} 37. Kh4 {[%emt 0:00:07]} Kf8 {[%emt 0:00:04]} 38. Kxh5 { [%emt 0:00:12]} Ke7 {[%emt 0:00:02]} 39. Kh4 {[%emt 0:00:24]} Rg1 {[%emt 0:00: 27]} 40. Bg4 {[%emt 0:00:13]} Ba6 {[%emt 0:00:11]} 41. Ng3 {[%emt 0:00:09]} Rxg3 {[%emt 0:00:11]} 42. Kxg3 {[%emt 0:00:43]} Bxc4 {[%emt 0:00:02]} 43. Rd2 { [%emt 0:00:00]} b5 {[%emt 0:00:05]} 44. h4 {[%emt 0:00:03]} b4 {[%emt 0:00:15]} 45. h5 {[%emt 0:00:01]} f5 {[%emt 0:00:03]} 46. Bxf5 {[%emt 0:00:02]} a5 { [%emt 0:00:05]} 47. h6 {[%emt 0:00:07]} Kf6 {[%emt 0:00:17]} 48. h7 {[%emt 0: 00:28]} Kg7 {[%emt 0:00:04]} 49. e7 {[%emt 0:00:10]} Bb5 {[%emt 0:00:09]} 50. Rh2 {[%emt 0:00:26]} Kh8 {[%emt 0:00:01]} 51. Re2 {[%emt 0:00:13]} Be8 { [%emt 0:00:03]} 52. Re6 {[%emt 0:00:03]} a4 {[%emt 0:00:18]} 53. Bg6 {[%emt 0: 00:04]} 1-0 [Event "Chessable Masters Prelims 2021"] [Site "Chess24"] [Date "2021.07.29"] [Round "15.7"] [White "Artemiev, Vladislav"] [Black "Nakamura, Hikaru"] [Result "1/2-1/2"] [ECO "E46"] [WhiteElo "2704"] [BlackElo "2736"] [Annotator "TA"] [PlyCount "72"] [EventDate "2021.07.31"] [EventType "tourn"] [EventCountry "NET"] [Tiebreak "Direct encounter+Number of wins+Koya"] [SourceTitle "playchess.com"] [Source "ChessBase"] [SourceQuality "1"] {[%evp 9,72,0,4,12,12,6,2,10,21,27,25,21,50,49,47,33,66,44,56,29,46,31,50,29, 23,21,31,11,15,6,35,0,4,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, 0,0,0,0,0]} 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 O-O 5. Bd2 c5 6. a3 {E46: Nimzo-Indian: Rubinstein: 4 e3 0-0 5 Ne2 without early Bd3.} Bxc3 7. Bxc3 Ne4 8. Ne2 d6 9. Qd3 (9. dxc5 {looks sharper.} dxc5 10. Qxd8 Rxd8 11. f3 Nxc3 12. Nxc3 Nc6 13. Rd1) 9... Nxc3 10. Nxc3 cxd4 11. Qxd4 Nc6 12. Qd2 Qe7 13. Be2 b6 14. O-O Bb7 15. Rfd1 Rfd8 16. b3 {[#]} Rac8 $146 ({Predecessor:} 16... a6 17. e4 Rab8 18. Qe3 Ba8 19. Rac1 h6 20. b4 e5 21. Bf1 a5 22. Nd5 Qg5 23. bxa5 Nxa5 24. Qxg5 hxg5 {1-0 (67) Aczel,G (2523)-Csonka,B (2479) Budapest 2019}) 17. Bf3 d5 18. cxd5 Ne5 19. Be4 Qh4 20. f4 Ng4 {The position is equal.} 21. h3 Nf6 { Hoping for ...Rxc3!} 22. Bf3 Nxd5 23. Nxd5 Bxd5 24. Bxd5 Rxd5 25. Rac1 Rcd8 ( 25... Qd8 {is interesting.} 26. Rxc8 Qxc8 27. Qe1 Rc5 28. b4 Rc2) 26. Qe2 Rxd1+ 27. Rxd1 h6 28. Rxd8+ Qxd8 $11 {[%mdl 4096] Endgame KQ-KQ} 29. Qc2 a5 30. a4 h5 31. Kf2 g6 32. Qc3 Qd5 33. Qc8+ Kg7 34. Qc3+ Kg8 35. Qc8+ Kg7 36. Qc3+ Kg8 { Weighted Error Value: White=0.04/Black=0.05} 1/2-1/2 [Event "Chessable Masters Prelims 2021"] [Site "Chess24"] [Date "2021.07.29"] [Round "15.8"] [White "Harikrishna, Pentala"] [Black "Anton Guijarro, David"] [Result "0-1"] [ECO "B10"] [WhiteElo "2730"] [BlackElo "2673"] [Annotator "ChessBase"] [PlyCount "112"] [EventDate "2021.07.31"] [EventType "tourn"] [EventCountry "NET"] [Tiebreak "Direct encounter+Number of wins+Koya"] [SourceTitle "playchess.com"] [Source "ChessBase"] [SourceQuality "1"] [TimeControl "900+10"] 1. e4 {[%emt 0:00:00]} c6 {[%emt 0:00:00]} 2. d3 {[%emt 0:00:07]} d5 {[%emt 0: 00:04]} 3. Nd2 {[%emt 0:00:01]} g6 {[%emt 0:00:30]} 4. Ngf3 {[%emt 0:00:02]} Bg7 {[%emt 0:00:06]} 5. g3 {[%emt 0:00:01]} Nh6 {[%emt 0:00:55]} 6. Bg2 { [%emt 0:00:07]} O-O {[%emt 0:00:01]} 7. O-O {[%emt 0:00:02]} f6 {[%emt 0:00:01] } 8. d4 {[%emt 0:00:23]} Nf7 {[%emt 0:00:06]} 9. Re1 {[%emt 0:00:10]} e5 { [%emt 0:00:21]} 10. dxe5 {[%emt 0:00:14]} fxe5 {[%emt 0:00:02]} 11. c3 { [%emt 0:00:21]} a5 {[%emt 0:00:19]} 12. b3 {[%emt 0:00:06]} Na6 {[%emt 0:00:27] } 13. Ba3 {[%emt 0:00:04]} Re8 {[%emt 0:00:02]} 14. Qc2 {[%emt 0:00:05]} b5 { [%emt 0:00:50]} 15. Bb2 {[%emt 0:00:10]} b4 {[%emt 0:00:43]} 16. a3 {[%emt 0: 00:04]} bxc3 {[%emt 0:00:13]} 17. Qxc3 {[%emt 0:00:01]} d4 {[%emt 0:00:59]} 18. Qxc6 {[%emt 0:00:15]} Bd7 {[%emt 0:00:04]} 19. Qc2 {[%emt 0:00:09]} Rc8 { [%emt 0:00:09]} 20. Nc4 {[%emt 0:00:03]} Nc5 {[%emt 0:00:18]} 21. Nfd2 { [%emt 0:00:10]} Bh6 {[%emt 0:00:25]} 22. Bf1 {[%emt 0:00:08]} Qf6 {[%emt 0:00: 21]} 23. Qd1 {[%emt 0:00:18]} Rf8 {[%emt 0:00:21]} 24. b4 {[%emt 0:01:05]} Na4 {[%emt 0:00:18]} 25. Bc1 {[%emt 0:00:21]} Ng5 {[%emt 0:00:35]} 26. f4 {[%emt 0: 00:15]} Nc3 {[%emt 0:00:04]} 27. Qb3 {[%emt 0:01:00]} a4 {[%emt 0:00:10]} 28. Qb2 {[%emt 0:00:15]} exf4 {[%emt 0:00:10]} 29. e5 {[%emt 0:00:02]} Qf5 { [%emt 0:00:14]} 30. Nd6 {[%emt 0:00:31]} Nh3+ {[%emt 0:00:16]} 31. Bxh3 { [%emt 0:02:09]} Qxh3 {[%emt 0:00:03]} 32. N2e4 {[%emt 0:00:01]} Nxe4 {[%emt 0: 01:21]} 33. Nxe4 {[%emt 0:00:04]} fxg3 {[%emt 0:02:35]} 34. hxg3 {[%emt 0:03: 15]} Bc6 {[%emt 0:01:55]} 35. Bxh6 {[%emt 0:00:34]} Bxe4 {[%emt 0:00:06]} 36. Rxe4 {[%emt 0:00:02]} Rc3 {[%emt 0:00:21]} 37. Be3 {[%emt 0:00:32]} Rf3 { [%emt 0:02:14]} 38. Qh2 {[%emt 0:00:03]} Rxg3+ {[%emt 0:00:05]} 39. Kh1 { [%emt 0:00:01]} Rgxe3 {[%emt 0:00:30]} 40. Qxh3 {[%emt 0:00:09]} Rxh3+ { [%emt 0:00:00]} 41. Kg2 {[%emt 0:00:01]} Rcg3+ {[%emt 0:00:31]} 42. Kf2 { [%emt 0:00:05]} Rf3+ {[%emt 0:00:01]} 43. Kg2 {[%emt 0:00:12]} Rhg3+ {[%emt 0: 00:01]} 44. Kh2 {[%emt 0:00:03]} Rxa3 {[%emt 0:00:15]} 45. Rxa3 {[%emt 0:02:02] } Rxa3 {[%emt 0:00:00]} 46. Rxd4 {[%emt 0:00:01]} Kf7 {[%emt 0:00:04]} 47. Rd6 {[%emt 0:03:27]} Rb3 {[%emt 0:00:27]} 48. Rf6+ {[%emt 0:00:11]} Ke7 {[%emt 0: 00:04]} 49. Rb6 {[%emt 0:00:01]} a3 {[%emt 0:00:29]} 50. Ra6 {[%emt 0:00:17]} g5 {[%emt 0:01:02]} 51. b5 {[%emt 0:00:37]} h5 {[%emt 0:01:27]} 52. b6 { [%emt 0:00:02]} Ke6 {[%emt 0:00:11]} 53. b7+ {[%emt 0:00:14]} Kf5 {[%emt 0:00: 35]} 54. Ra7 {[%emt 0:02:04]} a2 {[%emt 0:00:07]} 55. Rxa2 {[%emt 0:00:04]} Rxb7 {[%emt 0:00:01]} 56. Ra5 {[%emt 0:00:05]} Re7 {[%emt 0:00:03]} 0-1