[Event "GCT Sinquefield Cup 2021"] [Site "Saint Louis"] [Date "2021.08.20"] [Round "4.1"] [White "Swiercz, Dariusz"] [Black "Xiong, Jeffery"] [Result "1-0"] [ECO "B96"] [WhiteElo "2655"] [BlackElo "2710"] [Annotator "Shahid"] [PlyCount "107"] [EventDate "2021.08.17"] [EventType "tourn"] [EventCountry "USA"] [SourceTitle "playchess.com"] [Source "ChessBase"] [SourceQuality "1"] 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Bg5 e6 7. f4 h6 8. Bh4 Qb6 9. a3 Nbd7 10. Bf2 Qc7 11. Bd3 b5 12. Qe2 Bb7 13. O-O-O Be7 14. Kb1 g6 ( 14... Nc5) 15. Rhe1 Nc5 16. g4 (16. f5) 16... g5 17. fxg5 hxg5 18. Bg3 O-O-O ( 18... Nfd7) 19. Rf1 Qb6 20. Nb3 Ncd7 21. Bf2 Qc7 22. a4 bxa4 23. Nxa4 Qc6 ( 23... Rxh2 24. Bxa6) 24. Nc3 (24. Nb6+ $1 Nxb6 25. Na5 Qc7 (25... Qa4 26. Bxb6 Qb4 27. Bxa6 $18) 26. Bxa6 $18) 24... Rxh2 25. Na5 Qc7 (25... Qc5 26. Bxc5 (26. Nxb7 Kxb7 27. Bxa6+ $18) 26... Rxe2 27. Bxd6 $18) 26. Nxb7 Kxb7 27. Bxa6+ Ka8 28. Nb5 Qc6 29. Nd4 Qb6 30. Rd3 Nc5 31. Ra3 Kb8 32. Nf3 $6 (32. Ra5 Ka8 (32... Kc7 33. Rb5 Qa7 34. Rb7+ $18) 33. Bb7+ Kxb7 34. Rb5) 32... Rxf2 33. Qxf2 Nfxe4 (33... Kc7) 34. Qe3 Kc7 35. Nd4 Rb8 36. Bb5 f5 37. c4 d5 38. gxf5 e5 39. Nc6 dxc4 40. Nxb8 Qxb5 41. Na6+ Nxa6 42. Rxa6 c3 43. Ra7+ Kb8 44. Ra8+ Kxa8 45. Qxe4+ Ka7 46. Rf2 Bc5 47. Qd5 Kb6 48. Qe6+ Ka5 49. Rc2 Ba3 50. b3 Qc5 51. f6 Bb2 52. Rxb2 cxb2 53. b4+ Kxb4 54. Qe7 1-0 [Event "GCT Sinquefield Cup 2021"] [Site "Saint Louis"] [Date "2021.08.20"] [Round "4.2"] [White "Caruana, Fabiano"] [Black "So, Wesley"] [Result "1/2-1/2"] [ECO "A33"] [WhiteElo "2806"] [BlackElo "2772"] [Annotator "TA"] [PlyCount "106"] [EventDate "2021.08.17"] [EventType "tourn"] [EventCountry "USA"] [SourceTitle "playchess.com"] [Source "ChessBase"] [SourceQuality "1"] {[%evp 17,106,0,0,0,6,0,18,0,7,20,32,0,22,24,40,16,40,0,24,15,33,11,0,0,10,4,5, -18,16,17,0,0,7,13,52,59,84,79,86,83,75,72,77,70,77,69,75,52,52,55,50,40,61,61, 44,2,4,9,56,27,28,28,29,29,29,29,29,27,27,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, 0,0,0,0]} 1. c4 c5 2. Nf3 Nf6 3. Nc3 Nc6 4. d4 cxd4 5. Nxd4 e6 6. g3 Qb6 7. Nb3 Ne5 8. e4 Bb4 9. Qe2 d6 10. Bd2 {A33: Symmetrical English: 2 Nf3 Nf6 3 d4 cxd4 4 Nxd4 e6 5 Nc3 Nc6.} O-O 11. Bg2 Bd7 12. f4 Ng6 13. Rc1 Bc6 14. a3 {[#]} (14. Nd4 $5) 14... Bxc3 $146 ({Predecessor:} 14... Bxa3 15. Nb5 a6 16. Nxa3 Qxb3 17. Bc3 d5 18. exd5 exd5 19. O-O dxc4 20. f5 Qb6+ {0-1 (44) Elwert,H (2681) -Sanakoev,G (2585) email 1999}) 15. Rxc3 a5 16. Qe3 Ra6 17. c5 dxc5 18. Nxc5 Raa8 19. Nb3 Qxe3+ 20. Rxe3 Ng4 21. Rc3 $36 {[%mdl 2048] Black is under pressure.} Rfd8 22. Rc4 Bb5 23. Rc5 Ba4 24. h3 Nf6 {[#]} 25. e5 $1 Nd5 (25... Nd7 26. Rc3) 26. Bxd5 exd5 {[#]} 27. Nd4 b6 28. Rc7 Rac8 29. Rb7 Rb8 30. Rxb8 Rxb8 31. Kf2 Rc8 32. b4 axb4 33. Bxb4 h5 34. Ke3 Rc4 35. h4 Nf8 36. Bxf8 Kxf8 $14 {[%mdl 4096] Endgame KRB-KRN} 37. Rb1 b5 38. Kd3 g6 39. f5 gxf5 40. Rf1 b4 41. axb4 Rxb4 42. Rxf5 Bd1 43. Rf6 {And now e6 would win.} Bg4 {The position is equal.} 44. Ke3 Rb1 45. Nf5 Rb3+ 46. Kd4 Bxf5 47. Rxf5 Rxg3 48. Rxh5 $11 { KR-KR} (48. e6 {feels hotter.} f6 49. Rxh5 Ke7 50. Kxd5 Rd3+ 51. Ke4) 48... Kg7 49. Kxd5 Rg4 50. Rg5+ Rxg5 51. hxg5 {Intending Kd6 and mate.} Kg6 52. e6 fxe6+ 53. Kxe6 Kxg5 {Weighted Error Value: White=0.08/Black=0.06} 1/2-1/2 [Event "GCT Sinquefield Cup 2021"] [Site "Saint Louis"] [Date "2021.08.20"] [Round "4.3"] [White "Rapport, Richard"] [Black "Svidler, Peter"] [Result "1-0"] [ECO "D02"] [WhiteElo "2763"] [BlackElo "2714"] [Annotator "Shahid"] [PlyCount "75"] [EventDate "2021.08.17"] [EventType "tourn"] [EventCountry "USA"] [SourceTitle "playchess.com"] [Source "ChessBase"] [SourceQuality "1"] 1. g3 d5 2. Nf3 Nd7 3. d4 Nb6 4. a4 a5 5. Nc3 Nf6 6. Bg2 Bf5 7. Nh4 e6 8. Nxf5 exf5 9. Qd3 Qd7 10. O-O Bb4 11. Nd1 O-O 12. f3 Rfe8 13. Nf2 Qe6 14. Bg5 Nc4 15. c3 Bf8 16. Rae1 Nxb2 17. Qc2 Nc4 18. e4 h6 19. Bxf6 Qxf6 20. e5 Qe6 21. f4 h5 22. h3 g6 23. g4 hxg4 24. hxg4 fxg4 25. Qd1 g3 $2 (25... Be7 26. Nxg4 Kg7) 26. Ng4 Bg7 27. Bh3 Qb6 28. Qd3 c5 29. Rb1 Qc7 30. f5 Ra6 31. f6 cxd4 32. cxd4 (32. fxg7 Nxe5 33. Qxa6 Nxg4 (33... bxa6 34. Nf6+ Kxg7 35. Nxe8+ $18) 34. Rxb7 $18) 32... Bf8 33. Qxg3 Nd2 34. Qh4 Ne4 35. Nh6+ Bxh6 36. Qxh6 Nxf6 37. exf6 Qg3+ 38. Bg2 1-0 [Event "GCT Sinquefield Cup 2021"] [Site "Saint Louis"] [Date "2021.08.20"] [Round "4.4"] [White "Shankland, Sam"] [Black "Mamedyarov, Shakhriyar"] [Result "1-0"] [ECO "C65"] [WhiteElo "2709"] [BlackElo "2782"] [Annotator "TA"] [PlyCount "86"] [EventDate "2021.08.17"] [EventType "tourn"] [EventCountry "USA"] [SourceTitle "playchess.com"] [Source "ChessBase"] [SourceQuality "1"] {[%evp 9,86,4,30,11,14,10,31,15,30,-12,-12,-12,-12,-12,-12,-12,-14,-20,-7,-11, -12,-34,20,0,0,-25,17,0,0,0,8,14,50,8,11,8,22,10,17,18,46,52,35,35,34,39,45,48, 62,34,34,36,85,96,95,77,166,173,169,176,203,200,202,194,173,194,202,201,201, 201,201,201,749,744,1245,1198,1110,1110,875]} 1. e4 e5 2. Nf3 Nc6 3. Bb5 Nf6 4. d3 Bc5 5. c3 d5 6. exd5 {C65: Ruy Lopez: Berlin Defence (3...Nf6), unusual lines and 4 0-0 Bc5.} Qxd5 {Hoping for ...Bxf2+!} 7. Bc4 Qd8 {[#]} 8. Bg5 $146 {White is slightly better.} ({Predecessor:} 8. O-O O-O 9. Nbd2 a5 10. Qe2 Bd6 11. a4 h6 12. Re1 Re8 13. Bb5 Bg4 14. h3 {1/2-1/2 (41) Wang,H (2737)-Jakovenko, D (2704) Poikovsky 2019}) 8... h6 9. Bh4 (9. Bxf6 $5 Qxf6 10. Nbd2 $11) 9... g5 10. Bg3 e4 $1 {[%CAl Re4f3]} 11. Qe2 Qe7 12. dxe4 Nxe4 13. Nbd2 Nxg3 14. Qxe7+ Bxe7 15. fxg3 Bf5 (15... g4 $15 16. Nh4 Ne5) 16. O-O Bg6 17. Bb5 O-O-O { With the idea ...g4.} 18. Bxc6 {aiming for Be4.} bxc6 19. Nb3 $1 Rd5 20. Rae1 Bf6 21. Nfd4 Bxd4+ 22. Nxd4 Kb7 23. Nb3 Kb6 24. c4 Rd7 25. a4 {Black must now prevent a5+.} a5 26. Rf6 {And now c5+ would win.} Ra8 27. Re5 $36 {[%mdl 2048] Strongly threatening Rb5+. White is pushing.} Rd1+ 28. Kf2 Ra6 $1 29. Rb5+ Ka7 30. Rxa5 Rxa5 31. Nxa5 $14 {[%mdl 4096] Endgame KRB-KRN} Rd2+ 32. Kf3 Rxb2 $2 ( 32... c5 $16 {is a better defense.}) 33. Nxc6+ $18 Ka8 34. Ne5 $1 Bc2 35. Nxf7 ({Don't do} 35. Rxf7 $6 Bd1+ 36. Ke3 Rxg2 $16) 35... h5 36. Nxg5 Bd1+ 37. Ke3 Re2+ 38. Kd4 Rxg2 39. a5 {[%CAl Ba4a5,Ba5a6][%mdl 32] Threatens to win with Ne6.} Rxh2 40. Ne6 $1 {[%CAl Re6c7]} h4 $2 (40... Rd2+ 41. Kc5 Rd7) 41. Nxc7+ { White is clearly winning.} Kb8 {[#]} 42. Nb5 $1 ({Less strong is} 42. Na6+ Ka7 $18) 42... hxg3 {[#]} 43. a6 $1 {[%CAl Rf6f8]} Rh8 {Weighted Error Value: White=0.08/Black=0.16} 1-0 [Event "GCT Sinquefield Cup 2021"] [Site "Saint Louis"] [Date "2021.08.20"] [Round "4.5"] [White "Dominguez Perez, Leinier"] [Black "Vachier-Lagrave, Maxime"] [Result "1-0"] [ECO "B90"] [WhiteElo "2758"] [BlackElo "2751"] [Annotator "Shahid"] [PlyCount "65"] [EventDate "2021.08.17"] [EventType "tourn"] [EventCountry "USA"] [SourceTitle "playchess.com"] [Source "ChessBase"] [SourceQuality "1"] 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Be3 e5 7. Nb3 Be6 8. f3 Be7 9. Qd2 O-O 10. O-O-O Nbd7 11. g4 b5 12. g5 Nh5 13. Kb1 Nb6 14. Na5 Rc8 15. Nd5 Nxd5 16. exd5 Bxd5 17. Qxd5 Qxa5 18. c4 Nf4 19. Bxf4 exf4 20. h4 Qa4 21. Bd3 bxc4 22. Qe4 g6 23. Bc2 Qd7 (23... Qe8) 24. h5 Qe6 25. hxg6 hxg6 (25... Qxe4 26. gxf7+ (26. gxh7+ Qxh7 27. Rxh7 (27. Bxh7+ Kg7) 27... Rc5) 26... Kxf7 27. Bxe4 Rh8) 26. Qxf4 Qe5 27. Qh4 Qg7 28. Rd2 Rc5 29. f4 f6 30. Rdh2 fxg5 31. Qe1 $3 Bf6 32. Rh6 Qb7 33. Qe6+ 1-0