[Event "GCT Sinquefield Cup 2021"] [Site "Saint Louis"] [Date "2021.08.18"] [Round "2.1"] [White "Dominguez Perez, Leinier"] [Black "Caruana, Fabiano"] [Result "1/2-1/2"] [ECO "C54"] [WhiteElo "2758"] [BlackElo "2806"] [Annotator "TA"] [PlyCount "102"] [EventDate "2021.08.17"] [EventType "tourn"] [EventCountry "USA"] [SourceTitle "playchess.com"] [Source "ChessBase"] [SourceQuality "1"] {[%evp 14,102,9,8,14,17,18,11,2,0,14,0,9,8,41,41,41,41,41,39,42,46,59,58,39,42, 64,59,79,48,52,58,56,48,51,61,87,89,89,99,94,31,50,20,23,24,25,22,23,24,19,20, 20,20,20,17,37,17,21,23,29,0,3,0,13,0,0,2,5,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, 0,0,0,0,0]} 1. e4 e5 2. Nf3 Nc6 3. Bc4 Nf6 4. d3 Bc5 5. c3 d6 6. O-O h6 7. Re1 O-O 8. h3 Bb6 {8...a5 is the modern continuation. C54: Giuoco Piano: 4 c3 Nf6, main lines with 5 d4 and 5 d3.} 9. Nbd2 Ne7 10. a4 {[#] Hoping for a5.} c6 11. d4 Ng6 12. Bf1 Re8 13. Qc2 {[#]} d5 $146 ({Predecessor:} 13... Bc7 14. dxe5 Nxe5 15. Nxe5 dxe5 16. Nc4 a5 17. Be3 Be6 18. b4 Bxc4 19. Bxc4 Bb6 {1/2-1/2 (46) Svidler,P (2714)-So,W (2770) Paris 2021}) 14. exd5 {[%CAl Rd4e5]} exd4 15. Rxe8+ Qxe8 16. a5 Bc7 17. dxc6 dxc3 18. cxb7 Bxb7 19. Qxc3 Nd5 20. Qc5 Ngf4 21. Nc4 {Bxf4 is the strong threat.} (21. Nd4) 21... Ne6 22. Qa3 Rd8 23. Bd2 Ndf4 24. a6 Ba8 {[#]} 25. Ba5 $1 Bxa5 26. Nxa5 Qd7 27. Re1 ({White should play} 27. b4 $16) 27... Qd5 $14 28. Re3 Qf5 29. Nb7 Rd1 {Strongly threatening ...Nxh3+!} 30. Re1 Rxe1 31. Nxe1 {Black must now prevent Qe3.} Qe4 32. Nf3 {Threatens to win with Qe7.} Bxb7 33. axb7 Qxb7 34. g3 Nh5 35. Bc4 Qe4 36. Bxe6 fxe6 37. Nd2 Qd4 {The position is equal.} 38. Nf3 Qd5 39. Nh2 a5 40. Ng4 Nf6 41. Nxf6+ gxf6 $11 {[%mdl 4096] Endgame KQ-KQ} 42. Qe7 Qe5 43. b3 (43. Qb7 {is interesting.} Qf5 44. b3 Kf8 45. Kg2 h5 46. b4) 43... h5 44. h4 (44. Kf1 {feels hotter.} Qf5 45. Kg1 Qe5) 44... Qe1+ 45. Kg2 Qe4+ 46. Kh2 Qf5 47. Qe8+ (47. Qa7 {seems wilder.} Qd5 48. Qb6 Kf7 49. Qa7+ Kg6 50. Qe7) 47... Kg7 48. Qe7+ Kg6 49. Qe8+ Kg7 50. Qe7+ Kg6 51. Qe8+ Kg7 {Weighted Error Value: White=0.05/Black=0.04} 1/2-1/2 [Event "GCT Sinquefield Cup 2021"] [Site "Saint Louis"] [Date "2021.08.18"] [Round "2.2"] [White "Shankland, Sam"] [Black "Xiong, Jeffery"] [Result "1/2-1/2"] [ECO "B38"] [WhiteElo "2709"] [BlackElo "2710"] [Annotator "TA"] [PlyCount "126"] [EventDate "2021.08.17"] [EventType "tourn"] [EventCountry "USA"] [SourceTitle "playchess.com"] [Source "ChessBase"] [SourceQuality "1"] {[%evp 16,126,38,32,37,30,54,49,51,42,91,81,100,40,43,45,63,51,83,75,99,76,77, 23,39,16,48,56,76,18,14,0,0,0,0,0,0,0,0,0,0,0,50,61,69,73,68,28,20,18,18,18,32, 32,26,25,25,31,34,34,34,31,86,0,0,0,0,0,12,0,0,0,0,0,6,0,8,8,8,8,8,8,8,8,21,8, 8,8,8,8,8,8,8,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0]} 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 g6 5. c4 Nf6 6. Nc3 d6 7. f3 Bg7 8. Be3 O-O 9. Be2 Nh5 { B38: Sicilian: Maroczy Bind with 5...Bg7 and 7...0-0.} 10. g3 {[#]} Nf6 $146 ({ Predecessor:} 10... Nxd4 11. Bxd4 Be6 12. f4 Nf6 13. O-O Rc8 14. b3 Qa5 15. f5 Bd7 16. a3 e6 17. b4 {1-0 (41) So,W (2788)-Mamedov,R (2658) Shamkir 2015 CBM 166 [Havasi,G]}) 11. Qd2 Bd7 {White is slightly better.} 12. O-O-O a5 13. g4 a4 14. Nxc6 (14. Kb1 $16) 14... Bxc6 $14 15. h4 Qa5 16. Bd4 Rfc8 17. h5 a3 18. b3 b5 19. hxg6 ({White should try} 19. Kb1 $16) 19... hxg6 $11 20. Kb1 {[%CAl Rc4b5]} bxc4 $1 21. Bxc4 Bb7 22. g5 (22. Rh2 $16) 22... Nh5 23. Bxg7 Kxg7 24. Nd5 Qxd2 25. Rxd2 Rab8 26. Rc1 ({Don't play} 26. Nxe7 Rc7 $17) 26... Bxd5 27. Rxd5 Nf4 28. Ra5 Ra8 29. b4 f6 30. Rxa8 Rxa8 $14 {[%mdl 4096] Endgame KRB-KRN} 31. Kc2 fxg5 32. Kb3 Kf6 33. b5 Ke5 34. Kb4 g4 $1 {[%CAl Rg4f3]} 35. fxg4 { aiming for b6.} Kxe4 36. Re1+ Kd4 37. Rxe7 {Black must now prevent b6.} Rc8 $1 {[%CAl Rc8c4]} 38. Bf7 {And now b6 would win.} Nd3+ {[#]} (38... d5 $14) 39. Kxa3 ({White should play} 39. Ka5 $1 $16) 39... Ra8+ $11 {The position is equal.} 40. Kb3 Nc5+ 41. Kb2 Nd3+ 42. Kb3 (42. Ka1 {keeps more tension.} Rc8 43. a3 g5 44. Ba2 Rb8 45. Re6) 42... Nc5+ 43. Kc2 d5 44. Kb1 Na4 45. Kc1 Nc3 46. b6 Nxa2+ 47. Kd2 {[#] Threatens to win with Re8.} Rb8 48. b7 Nb4 49. Be6 Kc5 {Strongly threatening ...Kd6.} 50. Bc8 Nc6 51. Rg7 g5 52. Ke3 Na5 53. Kd3 Kd6 $1 54. Rd7+ Kc6 {[%CAl Ra5b7]} 55. Kd4 Nxb7 56. Rxb7 Rxc8 {KR-KR} 57. Rg7 Kd6 {Hoping for ...Rc4+.} 58. Rg6+ Ke7 59. Rxg5 Kf6 60. Rxd5 Re8 61. g5+ Kg6 62. Re5 Rxe5 63. Kxe5 Kxg5 {Weighted Error Value: White=0.09/Black=0.06} 1/2-1/2 [Event "GCT Sinquefield Cup 2021"] [Site "Saint Louis"] [Date "2021.08.18"] [Round "2.3"] [White "Swiercz, Dariusz"] [Black "So, Wesley"] [Result "0-1"] [ECO "C67"] [WhiteElo "2655"] [BlackElo "2772"] [Annotator "Shahid"] [PlyCount "90"] [EventDate "2021.08.17"] [EventType "tourn"] [EventCountry "USA"] [SourceTitle "playchess.com"] [Source "ChessBase"] [SourceQuality "1"] {[%evp 16,90,30,0,0,-2,0,0,-6,0,0,0,0,0,3,0,0,0,0,0,0,0,0,0,10,-20,-3,-8,-6, -20,0,-43,-43,-50,-21,-4,0,-20,-10,-10,-8,-41,-8,-8,-8,-8,-8,-8,-8,-8,-8,-8,-8, -8,-8,-24,-24,-28,-35,-203,-190,-371,-371,-371,-364,-364,-364,-29971,-29974, -29978,-29979,-29979,-29980,-29980,-29981,-29981,-29982]} 1. e4 e5 2. Nf3 Nc6 3. Bb5 Nf6 4. O-O Nxe4 5. d4 Nd6 6. Bxc6 dxc6 7. dxe5 Nf5 8. Qxd8+ Kxd8 9. h3 Bd7 {C67: Ruy Lopez: Berlin Defence: 4 0-0 Nxe4.} (9... Ne7 10. Nc3 Bd7 11. b3 b6 12. Bb2 Kc8 13. Rad1 h6 14. Rd2 c5 15. Rfd1 Be6 16. Ne2 g5 17. Nh2 Kb7 18. Ng4 Nc6 19. c4 a5 20. a4 Bxg4 21. hxg4 Bg7 22. Ng3 Bxe5 23. Bxe5 Nxe5 24. f3 Rae8 25. Kf2 Kc8 26. Nf5 {1/2-1/2 (45) Swiercz,D (2659)-So,W (2765) Chess.com INT 2020}) 10. Rd1 Be7 11. g4 Nh4 {The position is equal.} 12. Nxh4 Bxh4 13. Nd2 Kc8 14. Nf3 Be7 15. Bg5 {is now more promising than 15.Rd3.} Bc5 16. Rd3 { [#] Strongly threatening Rad1.} Be6 17. Be3 Bxe3 18. Rxe3 Kd7 19. Nd4 Rad8 {[#] } (19... h5 {feels hotter.} 20. Rd1 Ke7 21. Nf5+ Kf8 22. Nd4 Ke7) 20. f4 $146 ( 20. Rd3 {seems wilder.} Kc8 21. f4 Bc4 22. Rdd1 h5 23. b3) ({Predecessor:} 20. Rd3 Kc8 21. Nxe6 Rxd3 22. cxd3 fxe6 23. Kf1 h5 {1/2-1/2 (23) Janisch,M (2416) -Markus,R (2282) ICCF email 2017}) 20... Ke7 21. Nxe6 fxe6 $11 {[%mdl 4096] Endgame KRR-KRR} 22. Rf1 h5 23. f5 hxg4 24. hxg4 Rh4 (24... Rd4 $5 {[%CAl Rd4g4]} 25. f6+ Kf7 $15) 25. f6+ Kf7 26. Re4 Rd2 {aiming for ...Rhh2.} 27. fxg7+ Kxg7 {Threatens to win with ...Rhh2.} 28. Rf2 (28. Rf6 {with more complications.} Rhh2 29. Ref4 Rdg2+ 30. Kf1 Rxc2 31. Rf7+) 28... Rxf2 (28... Rh1+ {looks sharper.} 29. Kg2 Rh2+ 30. Kxh2 Rxf2+ 31. Kg3 Rxc2 32. Rd4 (32. Rb4 $2 b5) 32... Rxb2 33. Rd7+ Kg6) 29. Kxf2 $15 {KR-KR} Rh2+ 30. Kf3 Rxc2 31. Rd4 Rxb2 {Hoping for ... a5.} 32. Rd7+ Kg6 33. Rxc7 c5 34. Re7 Rb6 35. Rc7 a6 36. Rxc5 Rc6 37. Ra5 $4 {This costs White the game.} (37. Rxc6 $15 bxc6 38. Ke4 Kg5 39. a4 a5 (39... Kxg4 40. a5 c5 41. Kd3 Kf5 42. Kc4 Kxe5 43. Kxc5 Kf4 44. Kb6 e5 45. Kxa6 e4 46. Kb6 e3 47. a6 e2 48. a7 $11) 40. Kd4 Kxg4 41. Kc5 Kf5 42. Kb6 Kxe5 43. Kxa5 Kd4 44. Kb6 c5 45. a5 c4 46. a6 c3 47. a7 c2 48. a8=Q c1=Q 49. Qd8+ $11) 37... Rc3+ $19 38. Ke4 $2 (38. Kf2 {was called for.} Rc4 39. Kf3 Kg5 $19) 38... Rc4+ 39. Kd3 Rxg4 40. Rc5 {If only White now had time for Rc7... .} Kf5 41. Kc3 $2 {[#]} (41. Ra5 $19) 41... b5 {Black mates.} 42. Kb3 Rc4 { [%mdl 64] Deflection} 43. Rxc4 bxc4+ 44. Kxc4 Kxe5 45. a4 Kf4 {Weighted Error Value: White=0.39/Black=0.03} 0-1 [Event "GCT Sinquefield Cup 2021"] [Site "Saint Louis"] [Date "2021.08.18"] [Round "2.4"] [White "Rapport, Richard"] [Black "Vachier-Lagrave, Maxime"] [Result "1/2-1/2"] [ECO "E60"] [WhiteElo "2763"] [BlackElo "2751"] [Annotator "TA"] [PlyCount "72"] [EventDate "2021.08.17"] [EventType "tourn"] [EventCountry "USA"] [SourceTitle "playchess.com"] [Source "ChessBase"] [SourceQuality "1"] {[%evp 12,72,22,27,27,22,21,33,23,20,14,16,24,24,35,23,30,35,39,26,64,35,35,23, 30,16,29,31,20,12,18,15,14,24,16,-10,22,0,18,16,17,5,11,8,20,20,19,21,30,22,22, 22,30,30,34,28,30,0,31,0,12,0,34]} 1. Nf3 c5 2. c4 Nf6 3. g3 g6 4. Bg2 Bg7 5. d4 cxd4 6. Nxd4 O-O 7. Nc3 Qc7 {E60: King's Indian: Unusual lines and Fianchetto Variation without Nc3.} 8. Qd3 Nc6 9. O-O d6 {White is slightly better. 9...d6 has lost popularity.} 10. Nxc6 bxc6 11. Bf4 Nh5 12. Bg5 Rb8 13. b3 {[#]} h6 $146 ({Predecessor:} 13... Qa5 14. Bd2 Bb7 15. b4 Qc7 16. Rab1 Nf6 17. Bf4 Ng4 18. c5 Ne5 19. cxd6 exd6 20. Bxe5 Bxe5 {1/2-1/2 (32) Jakovenko,D (2681)-Vachier Lagrave,M (2774) Khanty Mansiysk 2019}) 14. Bd2 Nf6 15. Rac1 a5 16. h3 Rd8 17. e4 Nd7 18. Rfd1 Nc5 19. Qe2 e5 20. Kh2 Kh7 21. Qf1 h5 22. Bg5 Re8 23. Qe1 Ne6 (23... a4 $5) 24. Bd2 Ra8 25. Be3 h4 26. Na4 hxg3+ 27. fxg3 c5 28. Qd2 Nd4 29. Rf1 Be6 30. Rf2 Reb8 31. h4 Qd7 32. Rcf1 Ra7 33. Qd1 Bg4 34. Qd2 Be6 35. Qd1 Bg4 36. Qd2 Be6 {Weighted Error Value: White=0.07/Black=0.05} 1/2-1/2 [Event "GCT Sinquefield Cup 2021"] [Site "Saint Louis"] [Date "2021.08.18"] [Round "2.5"] [White "Svidler, Peter"] [Black "Mamedyarov, Shakhriyar"] [Result "1/2-1/2"] [ECO "C54"] [WhiteElo "2714"] [BlackElo "2782"] [Annotator "TA"] [PlyCount "91"] [EventDate "2021.08.17"] [EventType "tourn"] [EventCountry "USA"] [SourceTitle "playchess.com"] [Source "ChessBase"] [SourceQuality "1"] {[%evp 11,91,0,0,0,0,0,0,0,0,-46,-41,-48,-36,-42,-37,-45,-36,-36,-37,-41,-47, -27,-37,-33,-29,-48,-44,-67,-81,-71,-81,-78,-69,-77,-70,-66,-64,-56,-65,-67, -29,-28,-16,-27,-11,-11,-11,-12,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, 0,0,0,0,0,0,0,0,0,0,0]} 1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. c3 Nf6 5. d3 O-O 6. b4 Be7 7. O-O {C54: Giuoco Piano: 4 c3 Nf6, main lines with 5 d4 and 5 d3.} d5 8. exd5 Nxd5 9. Re1 $1 {[%mdl 4] is more profitable than 9.b5 at the moment.} Bf6 10. Ba3 Re8 11. Nbd2 {[#]} Nxc3 $146 ({Predecessor:} 11... b5 12. Bxd5 Qxd5 13. Ne4 Be7 14. Bb2 a5 15. a4 Be6 16. axb5 Qxb5 17. c4 Qxb4 18. Bc3 Qb6 19. Nxe5 Nxe5 {1/2-1/2 (19) Ponkratov,P (2530)-Khairullin,I (2575) Zvenigorod 2008} ) 12. Qb3 {[#]} Be6 13. Bxe6 (13. Qxc3 $2 e4 $19) 13... Rxe6 14. b5 ({Avoid the trap} 14. Qxc3 $2 e4 $19) 14... Nd4 {[%CAl Rd4b3]} 15. Nxd4 exd4 ({Don't go for} 15... Qxd4 $2 16. Bb2 $18) 16. Rxe6 fxe6 17. Qxe6+ Kh8 18. Re1 Nxb5 19. Be7 Bxe7 20. Qxe7 Qxe7 21. Rxe7 $15 {[%mdl 4096] Endgame KRN-KRN} b6 22. Ne4 c5 23. Kf1 Nc3 24. Nxc3 dxc3 {KR-KR} 25. Ke2 h6 26. Kd1 b5 27. Rc7 $1 Rf8 28. f3 { The position is equal.} Rf5 29. Rxa7 Re5 30. a3 Re3 31. Rb7 Rxd3+ 32. Kc2 Rd2+ 33. Kxc3 Rxg2 34. Rxb5 Rxh2 35. Rxc5 Rf2 36. Rf5 g6 37. Rf4 Kg7 38. Kd3 g5 39. Ke3 Ra2 (39... gxf4+ 40. Kxf2 Kf7 41. Kg2 h5 42. Kh3 Kf8 43. Kh4 Ke7 44. Kxh5) (39... Rc2 {looks sharper.} 40. Ra4 Rc3+ 41. Kf2 h5 42. Ra7+ Kf6) 40. Ra4 h5 41. Ra7+ Kg6 42. Ra6+ Kf5 43. Ra5+ Kg6 44. Ra6+ Kf5 45. Ra5+ Kg6 46. Ra6+ { Weighted Error Value: White=0.03/Black=0.02} 1/2-1/2