[Event "GCT Sinquefield Cup 2021"] [Site "Saint Louis"] [Date "2021.08.25"] [Round "8.1"] [White "Xiong, Jeffery"] [Black "Mamedyarov, Shakhriyar"] [Result "1/2-1/2"] [ECO "D32"] [WhiteElo "2710"] [BlackElo "2782"] [Annotator "TA"] [PlyCount "67"] [EventDate "2021.08.17"] [EventType "tourn"] [EventCountry "USA"] [SourceTitle "playchess.com"] [Source "ChessBase"] [SourceQuality "1"] {[%evp 15,67,13,18,8,15,28,32,15,38,0,25,19,27,27,49,34,52,0,0,0,0,0,0,0,0,0, 50,35,36,41,52,26,26,29,36,27,82,65,112,89,97,0,0,0,0,0,0,0,0,0,0,0,0,0]} 1. c4 e6 2. Nc3 d5 3. d4 a6 4. cxd5 exd5 5. Bf4 Nf6 6. e3 c5 7. dxc5 Bxc5 8. Nf3 Nc6 9. Be2 {D32: Tarrasch Defence: Sidelines and lines without g3.} O-O 10. O-O Re8 11. Rc1 {White is slightly better.} h6 {[#]} 12. Qc2 $146 ({Predecessor:} 12. a3 Ba7 13. b4 Be6 14. h3 d4 15. exd4 Nxd4 16. Nxd4 Bxd4 17. Bf3 Rc8 18. Ne2 Bb2 19. Rb1 Qxd1 20. Rfxd1 Bxa3 21. Bxb7 Rc4 22. Bxa6 Rxb4 23. Rxb4 {1/2-1/2 (23) Kostanjsek,Z (2157)-Cvitan,O (2481) Zagreb 2017}) 12... Ba7 13. Rfd1 Be6 14. Ne5 Rc8 15. Bf3 Qa5 16. Qd3 (16. Nxc6 $14 Rxc6 17. a3) 16... Ne7 $11 17. h3 Red8 {Black wants to play ...d4.} 18. Qe2 b5 19. a3 d4 20. exd4 Rxd4 21. Nd3 Rdd8 22. Nb4 Ng6 23. Be3 Rxd1+ 24. Rxd1 Bb8 25. Nc6 Rxc6 26. Bxc6 $16 {Hoping for Qd2.} Qc7 {[#] ( -> ...Qh2+)} 27. f4 $1 Nxf4 28. Qd2 (28. Qf3 $16) 28... Nd3 $1 $11 {The position is equal.} 29. Qxd3 Qh2+ $1 30. Kf2 $1 ({Don't go for } 30. Kf1 $2 Bc4 $19) 30... Qg3+ $1 31. Kg1 $1 Qh2+ 32. Kf2 $1 (32. Kf1 $2 Bc4 $19) 32... Qg3+ $1 33. Kg1 $1 Qh2+ 34. Kf2 $1 {Weighted Error Value: White=0. 09/Black=0.09} ({Avoid the trap} 34. Kf1 $2 Bc4 $19) 1/2-1/2 [Event "GCT Sinquefield Cup 2021"] [Site "Saint Louis"] [Date "2021.08.25"] [Round "8.2"] [White "Caruana, Fabiano"] [Black "Svidler, Peter"] [Result "1/2-1/2"] [ECO "C54"] [WhiteElo "2806"] [BlackElo "2714"] [Annotator "TA"] [PlyCount "84"] [EventDate "2021.08.17"] [EventType "tourn"] [EventCountry "USA"] [SourceTitle "playchess.com"] [Source "ChessBase"] [SourceQuality "1"] {[%evp 17,84,10,13,11,18,0,0,0,0,-8,12,17,8,11,10,8,8,13,32,44,57,52,54,31,65, 10,37,4,41,45,48,55,50,41,48,14,14,16,18,11,25,11,11,0,0,8,8,8,8,2,2,2,2,2,8,0, 0,0,0,0,0,0,0,0,0,0,0,0,0]} 1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. c3 Nf6 5. d4 exd4 6. e5 d5 7. Bb5 Ne4 8. cxd4 Bb6 9. Nc3 O-O 10. Be3 {C54: Giuoco Piano: 4 c3 Nf6, main lines with 5 d4 and 5 d3.} Bg4 11. Qc2 Nxc3 12. bxc3 f6 13. Bxc6 bxc6 14. exf6 Qxf6 15. Ne5 Bf5 {[#]} 16. Qa4 $146 ({Predecessor:} 16. Qd2 c5 17. O-O cxd4 18. cxd4 h6 19. Rac1 c5 20. dxc5 Qxe5 21. cxb6 axb6 22. Bxb6 {1-0 (38) Socko,B (2729)-Chadaev,N (2530) Chess.com INT 2016}) 16... c5 17. O-O cxd4 18. cxd4 c5 19. dxc5 Qxe5 20. cxb6 axb6 21. Qb4 (21. Qb3 $14) 21... Be4 $11 22. Qxb6 (22. Qb3 {seems wilder.} b5 23. Rad1 b4 24. Bc5 Rfc8 25. Bxb4 Rc4 26. Rde1 ) 22... Rf6 23. Qd4 Qxd4 24. Bxd4 Rfa6 25. f3 Bc2 26. Rae1 Ra4 {[#]} 27. Rf2 $1 Bd3 28. Bc5 R8a5 29. Re8+ Kf7 {The position is equal.} 30. Re7+ Kf6 31. Rc7 ( 31. Re3 {looks sharper.} Rxc5 32. Rxd3 Rc1+ 33. Rf1 Rxf1+ 34. Kxf1 Ke5 35. a3) 31... Rc4 {[#] ( -> ...Rc1+)} 32. Bd6 Ra6 33. Bg3 Rxc7 34. Bxc7 {[%mdl 4096] Endgame KRB-KRB} Bc4 35. Rb2 h5 36. Bb6 Ke5 37. Bc5 Rxa2 38. Rxa2 Bxa2 39. Bf8 Kf6 40. Bc5 Ke5 41. Bf8 Kf6 42. Bc5 Ke5 {Weighted Error Value: White=0.08/ Black=0.03} 1/2-1/2 [Event "GCT Sinquefield Cup 2021"] [Site "Saint Louis"] [Date "2021.08.25"] [Round "8.3"] [White "Swiercz, Dariusz"] [Black "Rapport, Richard"] [Result "1/2-1/2"] [ECO "D02"] [WhiteElo "2655"] [BlackElo "2763"] [Annotator "Shahid"] [PlyCount "99"] [EventDate "2021.08.17"] [EventType "tourn"] [EventCountry "USA"] [SourceTitle "playchess.com"] [Source "ChessBase"] [SourceQuality "1"] [TimeControl "40/5400+30:1800+30"] {[%evp 0,99,19,19,23,24,29,18,34,15,6,11,24,26,28,5,23,10,11,9,28,0,43,23,23, 28,28,31,36,42,44,38,44,48,59,49,60,45,51,35,34,33,58,55,78,79,78,42,54,61,52, 49,52,52,52,43,43,19,58,9,43,55,55,55,55,55,55,55,55,55,55,44,50,42,35,26,29, 33,30,30,27,27,27,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0]} 1. d4 {[%emt 0:00:03] } d5 {[%emt 0:01:18]} 2. Nf3 {[%emt 0:00:11]} Nf6 {[%emt 0:00:37]} 3. Bf4 { [%emt 0:02:23]} Bf5 {[%emt 0:00:49]} 4. e3 {[%emt 0:01:54]} e6 {[%emt 0:00:11]} 5. Bd3 {[%emt 0:04:11]} Bg6 {[%emt 0:02:38]} 6. c4 {[%emt 0:03:03]} Bd6 { [%emt 0:10:59]} 7. Bg5 {[%emt 0:01:31]} c6 {[%emt 0:07:34]} 8. Nc3 {[%emt 0:01: 28]} Nbd7 {[%emt 0:00:38]} 9. O-O {[%emt 0:00:45]} Qb8 {[%emt 0:05:49]} 10. h3 {[%emt 0:30:05]} Bh5 {[%emt 0:11:31]} 11. Re1 {[%emt 0:06:19]} dxc4 {[%emt 0: 05:54]} 12. Bxc4 {[%emt 0:00:11]} h6 {[%emt 0:00:27]} 13. Bxf6 {[%emt 0:00:56]} gxf6 {[%emt 0:11:55]} 14. Be2 {[%emt 0:11:08]} Rg8 {[%emt 0:01:13]} 15. Nd2 { [%emt 0:03:23]} Bxe2 {[%emt 0:01:48]} 16. Qxe2 {[%emt 0:00:06]} Rg6 {[%emt 0: 05:36]} 17. Nc4 {[%emt 0:05:16]} Bb4 {[%emt 0:05:22]} 18. Rac1 {[%emt 0:06:59]} Nb6 {[%emt 0:03:32]} 19. a3 {[%emt 0:01:57]} Bxc3 {[%emt 0:00:24]} 20. Rxc3 { [%emt 0:00:19]} Qd8 {[%emt 0:01:45]} 21. e4 {[%emt 0:01:41]} Kf8 {[%emt 0:02: 06]} 22. Rd1 {[%emt 0:00:41]} Nxc4 {[%emt 0:00:33]} 23. Rxc4 {[%emt 0:02:07]} Qd6 {[%emt 0:02:20]} 24. Qf3 {[%emt 0:00:43]} Rd8 {[%emt 0:01:01]} 25. Rc3 { [%emt 0:04:57]} Kg7 {[%emt 0:02:00]} 26. Rcd3 {[%emt 0:01:38]} Qc7 {[%emt 0:05: 57]} 27. Qe3 {[%emt 0:01:46]} Qa5 {[%emt 0:00:57]} 28. b4 {[%emt 0:05:21]} Qh5 {[%emt 0:02:22]} 29. Qf4 {[%emt 0:03:09]} (29. d5 cxd5 30. Qxa7) 29... e5 { [%emt 0:02:24]} 30. dxe5 {[%emt 0:00:44]} fxe5 {[%emt 0:00:20]} 31. Qc1 { [%emt 0:00:26]} Rd4 {[%emt 0:04:34]} 32. Rxd4 {[%emt 0:00:22]} Qxh3 {[%emt 0: 00:12]} 33. g3 {[%emt 0:00:03]} exd4 {[%emt 0:00:28]} 34. Rxd4 {[%emt 0:00:57]} Qe6 {[%emt 0:01:15]} 35. Qc3 {[%emt 0:00:42]} Qf6 {[%emt 0:00:08]} 36. Qe3 { [%emt 0:00:30]} h5 {[%emt 0:00:26]} 37. e5 {[%emt 0:00:18]} Qg5 {[%emt 0:00:26] } 38. Qxg5 {[%emt 0:00:45]} Rxg5 {[%emt 0:00:02]} 39. Rd7 {[%emt 0:00:30]} Rxe5 {[%emt 0:00:12]} 40. Rxb7 {[%emt 0:00:04]} a5 {[%emt 0:00:07]} 41. Rc7 { [%emt 0:30:23]} axb4 {[%emt 0:30:07]} 42. axb4 {[%emt 0:00:02]} Rb5 {[%emt 0: 00:07]} 43. Rxc6 {[%emt 0:00:04]} Rxb4 {[%emt 0:00:05]} 44. Kg2 {[%emt 0:00:05] } h4 {[%emt 0:00:05]} 45. gxh4 {[%emt 0:00:04]} Rxh4 {[%emt 0:00:03]} 46. Kg3 { [%emt 0:00:05]} Rb4 {[%emt 0:00:04]} 47. Kg2 {[%emt 0:00:06]} Rh4 {[%emt 0:00: 02]} 48. Kg3 {[%emt 0:00:05]} Rb4 {[%emt 0:00:04]} 49. Kg2 {[%emt 0:00:03]} Rh4 {[%emt 0:00:04]} 50. Kg3 {[%emt 0:00:04]} 1/2-1/2 [Event "GCT Sinquefield Cup 2021"] [Site "Saint Louis"] [Date "2021.08.25"] [Round "8.4"] [White "Vachier-Lagrave, Maxime"] [Black "So, Wesley"] [Result "1/2-1/2"] [ECO "C67"] [WhiteElo "2751"] [BlackElo "2772"] [Annotator "TA"] [PlyCount "99"] [EventDate "2021.08.17"] [EventType "tourn"] [EventCountry "USA"] [SourceTitle "playchess.com"] [Source "ChessBase"] [SourceQuality "1"] {[%evp 15,99,8,32,10,21,7,16,3,5,0,0,0,0,0,8,10,5,10,18,13,19,0,0,0,0,0,12,0, 11,0,10,0,0,0,0,0,0,0,0,4,2,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,-1,0,0,0,0, 0,0,0,0,0,0,0,-8,-8,-8,8,8,8,8,8,0,0,0,0,0]} 1. e4 e5 2. Nf3 Nc6 3. Bb5 Nf6 4. O-O Nxe4 5. Re1 Nd6 6. Nxe5 Be7 7. Bf1 Nxe5 8. Rxe5 O-O 9. Nc3 {C67: Ruy Lopez: Berlin Defence: 4 0-0 Nxe4.} Ne8 {The position is equal.} 10. d4 Bf6 11. Re1 d5 $1 12. b3 c6 13. Ba3 Nd6 {[#]} 14. Qf3 $146 ({Predecessor:} 14. Bd3 Be6 15. Ne2 Re8 16. Nf4 Qd7 17. Nxe6 Rxe6 18. Rxe6 Qxe6 19. c3 Re8 20. Qc2 {1/2-1/2 (36) Berzinsh,R (2390)-Mischuk,D (2355) Cheliabinsk 2019}) 14... Be6 15. Qf4 Be7 16. Bd3 Ne8 17. Bxe7 Qxe7 18. Re5 g6 19. Rae1 Ng7 20. Ne2 Rae8 21. Ng3 Qd6 22. Qf6 Qd8 23. Qxd8 Rxd8 24. h4 Rfe8 25. h5 {[#] Black must now prevent h6.} f6 26. R5e3 {Strongly threatening h6.} Bf7 27. hxg6 hxg6 28. Rxe8+ (28. f3 {with more complications.} f5 29. Rxe8+ Rxe8 30. Ne2 Ne6 31. Kf2) 28... Rxe8 29. Rxe8+ Nxe8 $11 {[%mdl 4096] Endgame KBN-KBN} 30. f3 Nd6 31. Kf2 Kg7 32. Ke3 Be6 33. Ne2 g5 34. g4 f5 35. f4 Kf6 36. fxg5+ Kxg5 37. gxf5 Bxf5 38. c4 Bxd3 39. Kxd3 dxc4+ 40. bxc4 {KN-KN} Kf5 41. Nc3 Ke6 42. a4 b6 43. a5 bxa5 44. d5+ cxd5 45. Nxd5 Nxc4 46. Kxc4 {KN-KPP} a4 47. Nf4+ Kf5 48. Kb4 a5+ 49. Kxa4 Kxf4 50. Kxa5 {Not much happened in this game. Weighted Error Value: White=0.03/Black=0.01} 1/2-1/2 [Event "GCT Sinquefield Cup 2021"] [Site "Saint Louis"] [Date "2021.08.25"] [Round "8.5"] [White "Dominguez Perez, Leinier"] [Black "Shankland, Sam"] [Result "1/2-1/2"] [ECO "B90"] [WhiteElo "2758"] [BlackElo "2709"] [Annotator "TA"] [PlyCount "63"] [EventDate "2021.08.17"] [EventType "tourn"] [EventCountry "USA"] [SourceTitle "playchess.com"] [Source "ChessBase"] [SourceQuality "1"] {[%evp 14,63,8,6,18,15,10,18,16,19,16,14,9,0,0,0,0,0,40,14,17,21,22,0,0,-18, -20,-17,-27,-27,-16,-21,-17,-29,0,0,0,0,0,0,0,-61,2,-21,-20,-150,0,0,0,-143,0, 0]} 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Be3 e5 7. Nf3 Be7 8. Bc4 Nc6 {B90: Sicilian Najdorf: Unusual White 6th moves, 6 Be3 Ng4 and 6 Be3 e5.} 9. Nd5 O-O 10. Bb6 Qd7 {[#]} 11. Nxf6+ $146 (11. Nxe7+ Nxe7 12. Bd3 Qc6 $17) ({Predecessor:} 11. Nc7 Rb8 12. Ng5 Bd8 13. Nge6 Bxc7 14. Nxc7 Qe7 15. f3 Be6 16. Nd5 Bxd5 17. exd5 {0-1 (41) Zapolski,K-Kobialko,D Kolobrzeg 2001}) 11... Bxf6 12. Qd3 Ne7 13. O-O-O Qc6 14. Be3 b5 15. Bb3 Bb7 (15... h6 {seems wilder.} 16. h4 Bg4 17. Qxd6 Qxe4 18. Nd2 Qxg2 19. Rhg1 Qh3) 16. Qxd6 Qxd6 17. Rxd6 Bxe4 18. Nd2 Bb7 ({Don't go for} 18... Bxg2 $2 19. Rg1 $16) 19. Bc5 Rac8 ( {But not} 19... Bxg2 $2 20. Rg1 $18) 20. Rd7 Bxg2 ({Don't play} 20... Rxc5 $6 21. Rxb7 Rfc8 22. Ne4 $14) 21. Rg1 Rxc5 22. Rxg2 {[#] Black must now prevent Ne4.} Nf5 23. Bd5 {And now Ne4 would win.} Nd4 24. Ne4 Rxc2+ 25. Kb1 Bd8 26. Bxf7+ $1 Kh8 {[#] Hoping for ...Re2!} 27. Bd5 (27. Bh5 $11 g6 28. Rxd4 { [%mdl 64] Remove Defender} exd4 29. Kxc2 gxh5 30. Kd3) 27... Re2 ({Black should try} 27... g6 $1 $15) 28. Rg1 Nf5 29. Be6 $2 Nd4 (29... Rxe4 30. Bxf5 Rf4 $19) 30. Bd5 $11 Nf5 (30... Bf6 $11) 31. Be6 $17 {aiming for Bxf5.} Nd4 ( 31... Rxe4 $17 32. Bxf5 Rf4) 32. Bd5 {[%emt 0:00:23] Weighted Error Value: White=0.21/Black=0.} 1/2-1/2