[Event "GCT Sinquefield Cup 2021"] [Site "Saint Louis"] [Date "2021.08.19"] [Round "3.1"] [White "So, Wesley"] [Black "Svidler, Peter"] [Result "1-0"] [ECO "A37"] [WhiteElo "2772"] [BlackElo "2714"] [Annotator "TA"] [PlyCount "55"] [EventDate "2021.08.17"] [EventType "tourn"] [EventCountry "USA"] [SourceTitle "playchess.com"] [Source "ChessBase"] [SourceQuality "1"] {[%evp 12,55,20,12,22,16,17,16,21,20,14,6,17,18,13,0,28,14,28,31,65,60,54,56, 70,84,90,83,91,79,91,83,98,107,91,91,92,91,199,194,201,194,324,297,349,349]} 1. c4 g6 2. Nc3 c5 3. g3 Bg7 4. Bg2 Nc6 5. Nf3 e5 6. a3 a5 7. d3 Nge7 {A37: Symmetrical English vs ...g6: 4 Bg2 Bg7 5 Nf3.} 8. Nd2 d6 9. Nf1 O-O {The position is equal.} 10. Ne3 Rb8 11. Rb1 {[%CAl Ba1b1,Bb1b4,Bb4b6][%mdl 32]} Nd4 12. Bd2 Bd7 13. O-O Bc6 14. b4 axb4 15. axb4 {[#]} cxb4 $146 ({Predecessor:} 15... b6 16. Bxc6 Ndxc6 17. b5 Nd4 18. Ned5 Nxd5 19. Nxd5 Ne6 20. Ra1 Nc7 21. Nxc7 Qxc7 {1-0 (43) Eljanov,P (2681)-Krivenko,S (2341) St Petersburg 2012}) 16. Rxb4 Bxg2 17. Kxg2 Qd7 (17... b5) 18. Ned5 Nec6 19. Rb6 f5 20. f3 Rf7 21. Be3 h5 22. Qd2 Ne6 23. Rfb1 Kh7 24. h4 f4 (24... Qc8 $16 25. Bf2 Bh6) 25. gxf4 $18 exf4 26. Bf2 Ncd4 (26... Kg8 $142 27. Ne4 Kh8 28. Rxc6 Qxc6) 27. Bxd4 Bxd4 28. Ne4 {Weighted Error Value: White=0.04/Black=0.19} 1-0 [Event "GCT Sinquefield Cup 2021"] [Site "Saint Louis"] [Date "2021.08.19"] [Round "3.2"] [White "Mamedyarov, Shakhriyar"] [Black "Rapport, Richard"] [Result "1-0"] [ECO "D49"] [WhiteElo "2782"] [BlackElo "2763"] [Annotator "TA"] [PlyCount "107"] [EventDate "2021.08.17"] [EventType "tourn"] [EventCountry "USA"] [SourceTitle "playchess.com"] [Source "ChessBase"] [SourceQuality "1"] {[%evp 23,107,16,62,5,0,0,0,0,0,0,0,0,0,-2,-14,-58,0,-22,0,0,0,7,12,17,22,0,0, 0,0,-3,-2,-2,-3,-7,-3,-8,0,0,0,0,1,0,46,0,4,0,87,0,0,-20,-20,-18,-18,-14,15, -44,187,0,838,823,883,890,890,890,569,532,1516,1222,29975,29976,29976,29977, 29977,29978,29983,29984,29984,29985,29985,29986,29986,29987,29987,29988,29988, 29987]} 1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. Nc3 c6 5. e3 Nbd7 6. Bd3 dxc4 7. Bxc4 b5 8. Bd3 a6 9. e4 c5 10. e5 cxd4 11. Nxb5 axb5 {11...axb5 scores better than 11...Nxe5.} 12. exf6 Qb6 (12... Qxf6 $2 13. Bg5 $18) (12... gxf6) 13. O-O { D49: Semi-Slav: Meran System: Main line with 9 e4 c5 10 e5 cxd4 11 Nxb5.} (13. fxg7 Bxg7 14. O-O) 13... Nxf6 $11 14. Nxd4 Bd7 $1 15. Nf3 {The position is equal.} Bd6 16. Be3 Qb8 17. Bd4 O-O 18. Re1 Rd8 {[#]} 19. Rc1 $146 ({ Predecessor:} 19. Qc2 h6 20. Rad1 Be7 21. b3 Be8 22. Qe2 Qb7 23. Ba1 Qa7 24. Bb1 Rxd1 25. Rxd1 {1/2-1/2 (49) Schoen,W (2390)-Kreutzkamp,R (2265) Germany 1995}) 19... Rxa2 (19... Be8 $1 $15) 20. Bb1 (20. Ng5 $5 {[%CAl Rd4f6]} Bxh2+ 21. Kh1 $17) 20... Ra6 21. Bxf6 gxf6 22. Qd4 $1 {[%CAl Rd4f6]} Kg7 23. Qg4+ Kf8 24. Qh4 Ke7 25. g3 (25. Qxh7 $2 Rh8 $19) 25... Ra4 26. Qxh7 Rh8 27. Qd3 Qb6 28. Rcd1 Bc8 29. Bc2 $132 {[%mdl 2048] White puts up resistance} Rg4 (29... Bc5) 30. Nd4 {Nf5+ is the strong threat.} Be5 31. Nxb5 Qc5 32. Nc3 Kf8 (32... Rd4 $5 {[%CAl Rd4d3]} 33. Qe3 Rc4 $14) 33. Ne4 Qc6 34. b4 {Hoping for b5.} Ba6 (34... Kg7 $11) 35. Qf3 (35. Qa3 $1 $16 {Strongly threatening b5+.} Bb5 36. Nc5) 35... f5 {And now ...Bb7 would win.} 36. Nd2 Qxc2 37. Rxe5 {[#]} Bb7 $1 38. Qb3 { [%CAl Rb3c2]} Qc7 39. Qb2 (39. Rc5 $11 Qf4 40. Nf1 Qxb4 41. Qe3) 39... Rgg8 $2 {Black is on the road to losing.} ({Weaker is} 39... Qc6 40. f3 $16) (39... Qd8 $15 {keeps the upper hand.} 40. Rb5 Rgh4 $1) 40. f3 $2 (40. Rc5 $1 $18 { [%CAl Rc5c7]} Qd8 41. Qe5) 40... f6 $4 {[%mdl 8192]} (40... f4 $11 41. g4 Qd8) 41. Rxe6 $18 Rxg3+ 42. Kf1 $1 ({Not} 42. hxg3 $2 Qxg3+ 43. Kf1 Rh1+ 44. Ke2 Bxf3+ $1 {[%mdl 512]} 45. Nxf3 Qg2+ 46. Ke3 Qxb2 $19) 42... Rxh2 43. Qxf6+ { [%mdl 64] Double Attack} Qf7 44. Qe5 $1 {[%CAl Re5d6]} f4 45. Rf6 {[%mdl 64] Double Attack} Ba6+ 46. Rxa6 {White mates.} Rh1+ 47. Kf2 Rh2+ 48. Ke1 Rh1+ 49. Nf1 Rxf1+ 50. Kxf1 Qc4+ {[#]} 51. Ke1 $1 ({Wrong is} 51. Kf2 $2 Qc2+ 52. Qe2 { [#]} Rg2+ $3 {[%mdl 512]} 53. Kxg2 Qxe2+ 54. Kh3 Qxf3+ 55. Kh4 Qxd1 $19) 51... Rg1+ 52. Kf2 Qc2+ 53. Kxg1 Qxd1+ 54. Kf2 {Weighted Error Value: White=0.15/ Black=0.31} 1-0 [Event "GCT Sinquefield Cup 2021"] [Site "Saint Louis"] [Date "2021.08.19"] [Round "3.3"] [White "Vachier-Lagrave, Maxime"] [Black "Shankland, Sam"] [Result "1-0"] [ECO "C54"] [WhiteElo "2751"] [BlackElo "2709"] [Annotator "TA"] [PlyCount "93"] [EventDate "2021.08.17"] [EventType "tourn"] [EventCountry "USA"] [SourceTitle "playchess.com"] [Source "ChessBase"] [SourceQuality "1"] {[%evp 13,93,20,19,22,24,29,37,41,37,27,18,0,9,0,0,0,-18,-15,-4,-40,-22,-33,0, 0,87,62,82,51,74,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,29,220,225,1016,980, 859,604,1275,1114,837,811,593,512,503,486,481,474,474,433,433,433,1168,1231, 2535,2359,1998,1870,29973,29975,29974,29967,29974,11468]} 1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. c3 Nf6 5. d3 d6 6. O-O a6 7. a4 $1 {[%mdl 4] is now more promising than 7.Bb3.} h6 8. Re1 {C54: Giuoco Piano: 4 c3 Nf6, main lines with 5 d4 and 5 d3.} Ba7 9. Nbd2 Be6 10. Bxe6 {White is slightly better.} fxe6 11. Nf1 {[#]} a5 $146 ({Predecessor:} 11... O-O 12. Ng3 Qd7 13. h3 Rf7 14. b4 Raf8 15. b5 Ne7 16. bxa6 bxa6 17. d4 exd4 18. cxd4 {1/2-1/2 (60) Paravyan,D (2627) -Krejci,J (2570) Prague 2019}) 12. Ng3 Qd7 13. Be3 Bxe3 14. Rxe3 g5 15. d4 O-O-O 16. d5 (16. b4 $5) 16... exd5 17. exd5 Ne7 18. c4 Ng4 (18... c6 $11 { keeps the balance.}) 19. Rb3 Rdf8 20. Qe1 b6 21. Rb5 (21. Rba3 $16) 21... Nxf2 $1 $11 22. Qxf2 {aiming for Qe2.} (22. Kxf2 $2 g4 $19) 22... g4 23. Nxe5 Qxb5 24. axb5 Rxf2 25. Kxf2 dxe5 {[%mdl 4096] Endgame KRN-KRN} 26. Ke3 {Hoping for b4!} Rf8 $1 27. Rf1 Rxf1 28. Nxf1 {KN-KN} Nf5+ 29. Kd3 Kd7 30. Nd2 Nd6 31. Ne4 Ke7 $4 {[#] Loses the game.} (31... Ne8 $1 $11) 32. Nxd6 $1 $18 cxd6 {KP-KP} ( 32... Kxd6 33. b3 Kc5 34. Ke4 $18 Kb4 35. g3 Kxb3 36. c5 a4 37. d6 cxd6 38. cxb6 a3 39. b7 a2 40. b8=Q a1=Q 41. Qxd6) 33. Ke4 Kf6 34. b3 Kg6 35. c5 $1 { [%CAl Rc5b6]} dxc5 36. d6 {White threatens d7 and mate.} Kf7 37. Kd5 {Strongly threatening Kc6.} e4 {[#]} 38. Kc6 $1 {And now d7 would win.} e3 {intending ... e2.} 39. d7 e2 ({Wrong is} 39... Ke7 $2 40. Kc7) 40. d8=Q e1=Q 41. Kxb6 {KQ-KQ} Qe6+ (41... Qb4 $142 42. Qd5+ Kg6) 42. Ka7 c4 43. bxc4 a4 44. b6 {[%CAl Bb5b6, Bb6b7][%mdl 32]} a3 45. b7 {White mates.} a2 46. Qc7+ Kg6 47. Qa5 {Weighted Error Value: White=0.09/Black=0.35} 1-0 [Event "GCT Sinquefield Cup 2021"] [Site "Saint Louis"] [Date "2021.08.19"] [Round "3.4"] [White "Xiong, Jeffery"] [Black "Dominguez Perez, Leinier"] [Result "1/2-1/2"] [ECO "C47"] [WhiteElo "2710"] [BlackElo "2758"] [Annotator "TA"] [PlyCount "68"] [EventDate "2021.08.17"] [EventType "tourn"] [EventCountry "USA"] [SourceTitle "playchess.com"] [Source "ChessBase"] [SourceQuality "1"] {[%evp 17,68,-4,-8,-2,0,0,3,-6,4,6,20,8,20,5,29,7,7,0,7,7,7,5,4,8,2,0,2,0,0,0, 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0]} 1. e4 e5 2. Nf3 Nf6 3. Nc3 Nc6 4. d4 exd4 5. Nxd4 Bb4 6. Nxc6 bxc6 7. Bd3 O-O 8. O-O d5 9. exd5 cxd5 10. h3 $1 {[%mdl 4] 10.h3 is setting a new trend. C47: Scotch Four Knights and Four Knights with 4 g3.} c6 11. Qf3 Bd6 12. Re1 Re8 13. Rxe8+ Qxe8 14. Bf4 Qe7 {[#]} 15. Na4 $146 ({Predecessor:} 15. b3 Bxf4 16. Qxf4 Bb7 17. Na4 c5 18. Qe3 Qxe3 19. fxe3 Rc8 20. c4 dxc4 21. Bxc4 Kf8 22. Rc1 Ke7 23. Bd3 Kd6 24. Rd1 Ke7 25. Rc1 Kd6 26. Rd1 Ke7 {1/2-1/2 (26) Burg,T (2518)-Van den Doel,E (2573) Amsterdam 2017}) 15... c5 16. Bxd6 Qxd6 {The position is equal.} 17. c4 Bd7 18. Nc3 {[%CAl Rc3d5]} Rb8 19. Nxd5 Nxd5 20. Rd1 {Black should prevent b3.} Rxb2 { aiming for ...Ba4.} 21. Be4 {[%mdl 64] [#] Pin} Bc6 22. g3 {[%CAl Re4d5]} (22. Bxd5 {looks sharper.} Bxd5 23. Qc3 Re2 24. g3 g6 25. cxd5 Re7 26. Qc4) 22... g6 23. Bxd5 Bxd5 24. Qxd5 Qxd5 25. Rxd5 Rxa2 26. Rxc5 $11 {[%mdl 4096] Endgame KR-KR} a5 27. Rc7 Rc2 28. Ra7 Rxc4 29. Rxa5 Kg7 30. h4 h5 31. Kg2 Kg8 32. Kg1 Kg7 33. Kg2 Kg8 34. Kg1 Kg7 {Not much happened in this game. Weighted Error Value: White=0.02/Black=0.03} 1/2-1/2 [Event "GCT Sinquefield Cup 2021"] [Site "Saint Louis"] [Date "2021.08.19"] [Round "3.5"] [White "Caruana, Fabiano"] [Black "Swiercz, Dariusz"] [Result "1-0"] [ECO "B30"] [WhiteElo "2806"] [BlackElo "2655"] [Annotator "TA"] [PlyCount "93"] [EventDate "2021.08.17"] [EventType "tourn"] [EventCountry "USA"] [SourceTitle "playchess.com"] [Source "ChessBase"] [SourceQuality "1"] {[%evp 11,93,25,25,28,32,23,22,24,27,28,26,19,28,26,20,22,25,33,50,21,54,31,27, 21,22,18,12,19,37,35,47,25,51,23,22,23,30,23,92,85,96,90,96,86,97,93,135,134, 195,149,164,176,215,131,120,106,218,122,333,339,748,717,665,414,468,462,594, 587,1957,1727,1528,1447,5002,4990,4424,3290,29982,29983,29981,29982,29992, 29993,29996,29991]} 1. e4 c5 2. Nf3 Nc6 3. Bb5 e6 4. O-O Nge7 5. d4 cxd4 6. Nxd4 Qb6 {6...Ng6 gains popularity.} 7. Nxc6 {B30: Sicilian: 2...Nc6 3 Bb5, lines without ...g6.} bxc6 8. Be2 Ng6 9. c4 {The position is equal.} Be7 10. Nc3 O-O 11. Rb1 c5 12. Be3 Qc7 13. f4 Bb7 14. g3 {[#]} Rfe8 $146 ({Predecessor: } 14... a6 15. h4 Rfe8 16. h5 Nf8 17. h6 gxh6 18. Bd3 Ng6 19. Qh5 Kh8 20. Rf2 Rg8 {1/2-1/2 (43) Horvat,M (2459)-Felytin,L (2459) ICCF email 2017}) 15. h4 Nf8 16. Bf3 d6 17. Qd2 a6 18. b3 Rad8 19. Qf2 Nd7 20. Rbd1 Bf6 21. Ne2 Nb6 22. g4 d5 23. g5 Be7 24. f5 {Threatens to win with Bh5.} exf5 $2 (24... Bd6 $11 { keeps the balance.}) 25. Bf4 $16 (25. cxd5 $6 fxe4 26. Bxe4 Bd6 $14) 25... Bd6 26. Bxd6 Qxd6 27. exd5 Nd7 28. Bg2 Bc8 29. Nf4 Ne5 {[#]} (29... g6 $16 30. Nd3 a5) 30. b4 $1 $18 cxb4 31. c5 Qb8 32. Rfe1 b3 {[#]} 33. axb3 $1 Qb4 (33... Qxb3 $16 34. Qe3 Qxe3+ 35. Rxe3 Kf8) 34. Re2 ({Better is} 34. Nd3 $18 Qxb3 35. Nxe5 Rxe5 36. c6 (36. Rxe5 Qxd1+ 37. Re1 Qg4 $16)) 34... Ng4 $2 {This move loses the game for Black.} (34... Bd7 $16) 35. Qd4 Qxb3 $2 {[#]} (35... Qxd4+ 36. Rxd4 Rxe2 37. Nxe2 Ne5) 36. Nh5 $1 {[%csl Gh5][%CAl Rd4g7][%mdl 512]} f6 (36... Nf6 37. Rb2) 37. Rxe8+ Rxe8 38. gxf6 {Intending f7+! and mate.} gxf6 39. d6 { And now Bd5+ would win.} Be6 40. d7 {[%CAl Rd7e8]} Rd8 41. c6 Qc2 42. Re1 Kf7 43. Nf4 Bb3 44. c7 {White mates.} Qxc7 45. Bd5+ ({Not} 45. Qb4 Qxd7 46. Qxb3+ Kg7 $14) 45... Bxd5 46. Qxd5+ {[%mdl 64] Double Attack} Kg7 47. Ne6+ {Weighted Error Value: White=0.13/Black=0.47} 1-0