[Event "12th Sinquefield Cup"]
[Site "Saint Louis USA"]
[Date "2025.08.24"]
[Round "6.3"]
[White "Praggnanandhaa, R"]
[Black "Duda, Jan-Krzysztof"]
[Result "1/2-1/2"]
[Annotator "Tactical Analysis 7.0"]
[ECO "B40"]
[WhiteElo "2779"]
[BlackElo "2725"]
[WhiteFideId "-1"]
[WhiteFideId "-1"]
[PlyCount "63"]
[GameId "2214488562988680"]
[EventDate "2025.08.18"]

1. e4 c5 2. Nf3 e6 3. c3 Nf6 4. e5 Nd5 5. a3 b6 6. d4 {B22: Sicilian: 2 c3.} cxd4 7. Nxd4 Bb7 8. Nd2 {[%cal Bb1d2,Bd2f3,Bf3d4][%mdl 32] White has an edge.} Nc6 9. Nxc6 Bxc6 10. Nf3 Ne7 $146 ({Predecessor:} 10... Qc7 11. Bd3 Ne7 12. O-O Ng6 13. Re1 Qb7 14. Nd4 Bxg2 15. f3 Bh3 16. Be4 Qc8 {0-1 Maurizzi,M (2602)-Andreikin,D (2729) Titled Tuesday intern op 19th Mar Late Chess.com INT blitz 2024 (6)}) 11. Bf4 Nf5 12. h4 Be7 {[%cal Oh7h5]} 13. Bd3 g6 $1 14. Bxf5 gxf5 15. Nd4 Qc7 16. Qh5 ({White should try} 16. f3 $14) 16... Bf6 (16... Bxg2 $11 17. Rg1 Bd5) 17. Nxc6 $16 (17. exf6 Qxf4 18. O-O Qe5 $11) 17... dxc6 18. O-O-O {White is more active.} ({Much worse is} 18. exf6 $6 Qxf4 19. O-O Qg4 20. Qxg4 fxg4 $11) (18. Qe2 {simplifies} Rd8 19. Qe3 Be7 20. Qg3) 18... Bxe5 {[#]} 19. Bxe5 (19. Bh6 $1 $16) 19... Qxe5 $11 {The position is equal.} 20. Rhe1 Qf6 21. Rd6 {[%csl Bc6,Be6]} O-O 22. Rxc6 Rac8 23. Rd6 Rxc3+ {[%mdl 64] [#] Demolition} 24. bxc3 Qxc3+ 25. Kd1 {[%cal Bc1d1,Bd1e2,Be2f1][%mdl 32]} Qa1+ 26. Ke2 Qe5+ (26... Qxa3 $2 {too greedy.} 27. Qg5+ Kh8 28. Qf6+ Kg8 29. Red1 $18) 27. Kf1 Qxd6 28. Qg5+ Kh8 {[%cal Od6d8]} 29. Qf6+ Kg8 {[%cal Od6d2]} 30. Qg5+ Kh8 31. Qf6+ Kg8 {[%cal Od6d8] White must now prevent ...Qd8!.} 32. Qg5+ 1/2-1/2

[Event "12th Sinquefield Cup"]
[Site "Saint Louis USA"]
[Date "2025.08.24"]
[Round "6.4"]
[White "Sevian, Samuel"]
[Black "Caruana, Fabiano"]
[Result "1/2-1/2"]
[Annotator "Tactical Analysis 7.0"]
[ECO "D35"]
[WhiteElo "2683"]
[BlackElo "2784"]
[WhiteFideId "-1"]
[WhiteFideId "-1"]
[PlyCount "54"]
[GameId "2214491199559594"]
[EventDate "2025.08.18"]

1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. cxd5 exd5 5. Bg5 Bb4 6. Nf3 h6 7. Bh4 Bf5 {D38: Queen's Gambit Declined: Ragozin Defence (4 Nf3 Bb4).} 8. Qa4+ Nc6 9. e3 g5 10. Bg3 {[%cal Of1a6]} O-O 11. Rc1 Ne4 $132 {[%mdl 2048] Black is not holding back} 12. Nd2 Bxc3 13. bxc3 Nxd2 14. Kxd2 a6 15. h4 {White wants to play hxg5.} b5 $146 ({Predecessor:} 15... g4 16. Qa3 Qd7 17. f3 h5 18. Ke2 Rae8 19. Kf2 b5 20. Re1 Re6 21. Qc5 Ne7 22. Qxc7 Rc6 {½-½ Baciak,M (2327)-Benes,J (2232) CZE-chT9 3P email ICCF email 2021}) 16. Qa3 {aiming for hxg5.} g4 17. Qc5 (17. f3 $142) 17... Qd7 $11 18. f3 Rfe8 19. Bf4 (19. fxg4 $11 {might be stronger.} Bxg4 20. Bd3) 19... h5 $15 20. Be2 Rac8 21. e4 dxe4 22. fxg4 Bxg4 $2 (22... hxg4 $15 {keeps the upper hand.} 23. Bxg4 e3+ (23... Bxg4 24. Qg5+ Kh8 25. Qh6+ Kg8 26. Qg5+ Kh8 27. Qh6+ Kg8 28. Qg5+ $11) 24. Ke1 Ne5 (24... Bxg4 25. Qg5+ Kh8 26. Qh6+ Kg8 27. Qg5+ Kh8 28. Qh6+ Kg8 29. Qg5+ $11) 25. Bxe5 (25. dxe5 $2 {leads to mate.} Qd2+ 26. Kf1 Qf2#) (25. Bxf5 $2 Qxf5 26. dxe5 Qxf4 $19) 25... Bxg4) 23. Qg5+ $16 Kh7 (23... Kf8 $16) 24. Qh6+ (24. Rcf1 $18 {playing for a win was clearly better.}) 24... Kg8 25. Qg5+ {[%mdl 1024] White has strong compensation.} Kh7 (25... Kf8 $16) 26. Qh6+ $2 {[#]} (26. Rcf1 $18) 26... Kg8 $11 27. Qg5+ $2 (27. Bxg4 $11 Qxg4 28. Qg5+ Qxg5 29. hxg5) 27... Kh7 $1 1/2-1/2

[Event "12th Sinquefield Cup"]
[Site "Saint Louis USA"]
[Date "2025.08.24"]
[Round "6.5"]
[White "Aronian, Levon"]
[Black "So, Wesley"]
[Result "1/2-1/2"]
[Annotator "Tactical Analysis 7.0"]
[ECO "D35"]
[WhiteElo "2737"]
[BlackElo "2745"]
[WhiteFideId "-1"]
[WhiteFideId "-1"]
[PlyCount "71"]
[GameId "2214493263141186"]
[EventDate "2025.08.18"]

1. d4 Nf6 2. c4 e6 3. Nc3 d5 4. cxd5 exd5 5. Bg5 Be7 6. e3 h6 7. Bh4 Bg4 {D35: Queen's Gambit Declined: Exchange Variation.} 8. Nf3 Nbd7 9. h3 (9. Bd3 $14) 9... Bf5 $11 10. g4 $146 ({Predecessor:} 10. Bd3 Bxd3 11. Qxd3 c6 12. O-O O-O 13. Bxf6 Nxf6 14. Ne5 Bd6 15. f4 Re8 16. g4 {0-1 Krejci,J (2556)-Olsen,F (2441) Olympiad-45 Budapest 2024 (6.15)}) 10... Bh7 11. Bd3 c6 12. Bxh7 Nxh7 13. Bg3 Nhf6 14. Nd2 Bb4 15. a3 Bxc3 16. bxc3 Qe7 17. a4 h5 (17... Ne4 $11) 18. g5 (18. Qb1 $1 $14) 18... Ne4 19. Nxe4 Qxe4 20. O-O {White is weak on the light squares} Nb6 21. Rb1 Qe7 22. h4 {[%cal Oe3e4]} O-O (22... g6 $11) 23. Qxh5 $14 Nxa4 (23... Qd7 $14) 24. Be5 $1 $16 Nxc3 {[%cal Ba4c3,Bc3b1,Bb1d2,Bd2f1][%mdl 32] [#]} 25. f4 Nxb1 $11 {The position is equal.} 26. f5 Nd2 {[%cal Oe7a3]} 27. f6 {[%cal Of6g7] Dancing on a razor blade.} Qxe5 $1 28. dxe5 Nxf1 29. fxg7 (29. Kxf1 $5 Rae8 $8 30. Ke2 Rxe5 31. fxg7 Kxg7 32. Qh6+ Kg8 33. g6 fxg6 34. Qxg6+ Kh8 35. Qh6+ Kg8 36. Qg6+ $11) 29... Kxg7 30. Qh6+ Kg8 31. g6 fxg6 32. Qxg6+ Kh8 33. Qh6+ Kg8 34. Qg6+ Kh8 35. Qh6+ Kg8 36. Qg6+ 1/2-1/2

[Event "12th Sinquefield Cup"]
[Site "Saint Louis USA"]
[Date "2025.08.24"]
[Round "6.1"]
[White "Abdusattorov, Nodirbek"]
[Black "Vachier-Lagrave, Maxime"]
[Result "1/2-1/2"]
[Annotator "Tactical Analysis 7.0"]
[ECO "A21"]
[WhiteElo "2771"]
[BlackElo "2736"]
[WhiteFideId "-1"]
[WhiteFideId "-1"]
[PlyCount "170"]
[GameId "2214509541650389"]
[EventDate "2025.08.18"]

1. c4 e5 2. Nc3 Bb4 3. Nd5 Be7 4. Nf3 d6 5. g3 Nf6 6. Nc3 {A21: English Opening: 1...e5 2 Nc3.} c5 7. Bg2 Nc6 8. O-O Be6 9. d3 h6 {Prevents Ng5} 10. e4 Qd7 11. Nd5 Rb8 $146 ({Predecessor:} 11... Bd8 12. Bd2 a5 13. a4 O-O 14. Kh1 Nh7 15. Ng1 f5 16. f4 Nf6 17. Bc3 Nd4 18. fxe5 dxe5 19. exf5 Nxf5 {½-½ Chigaev,M (2628)-Santos Ruiz,M (2596) ESP-chT CECLUB Div1 Linares 2025 (7.8)}) 12. a4 Bh3 13. Bd2 b6 14. Nc7+ {[%mdl 64] Deflection} Kf8 15. Nd5 a5 16. Ne1 (16. Bxh3 $14 Qxh3 17. Qe2) 16... Nxd5 17. cxd5 Nd4 18. Bxh3 Qxh3 19. Be3 (19. Nf3 $14 {might be stronger.}) 19... h5 $1 $11 20. Bxd4 exd4 (20... cxd4 $11 21. f4 Rc8 (21... h4 22. g4 $11)) 21. f4 (21. Nc2 $14) 21... f5 22. Nf3 (22. exf5 $11 Qxf5 23. Qf3) 22... h4 $15 23. gxh4 ({White should play} 23. Qe1 $1 $15) 23... Bxh4 (23... fxe4 $17 24. dxe4 Kg8 (24... Bxh4 25. Qe2 $15)) 24. b3 (24. Qe2 $15) 24... Re8 25. e5 g5 {[%cal Oh4g3]} 26. fxg5 {[#]} (26. Ra2 $142) 26... Bxg5 $1 $17 {[%mdl 512] Hoping for ...Rg8.} 27. exd6 {[%cal Oa1a2]} Be3+ 28. Kh1 {[#]} Rd8 (28... f4 $1 $17 29. Qe2 Qf5) 29. Qe2 $2 (29. Ra2 $1 $15) 29... Rxd6 $40 {[%cal Oh3h7][%mdl 128] Black goes for the king.} 30. Ng1 (30. Rg1 $142) 30... Qh5 (30... Qh7) 31. Qxh5 Rxh5 32. Ra2 Rxd5 33. Nf3 Kf7 34. h4 (34. Rg2 {was worth a try.}) 34... Rd8 35. Rg2 Kf6 36. Kh2 Bf4+ 37. Kh3 Re8 {Black is has a -4 evaluation according to the engines. Completely winning.} 38. Re1 {[#]} Rxh4+ $3 {[%mdl 576] Deflection} 39. Nxh4 Rxe1 {[%mdl 4096] Endgame KRB-KRN. Black is two pawns up.} 40. Rg6+ Kf7 41. Kg2 {Dodges Rh1} Re2+ $2 (41... Rd1 $19 42. Rxb6 Rxd3 43. Nxf5 Rc3 44. Nd6+ Bxd6 45. Rxd6 Rxb3) (41... Re3 42. Rxb6 Rxd3 43. Nxf5 Rc3 {is over.}) 42. Kf3 $15 Rh2 43. Kxf4 Rxh4+ 44. Kxf5 $11 {KR-KR. Black is a pawn up.} Rh5+ 45. Rg5 Rh3 (45... Rh2 $15 46. Ke4 Rb2) 46. Rg6 $17 Rf3+ (46... Rxd3 47. Rxb6 Ke7 48. Rc6 $17) 47. Kg4 $2 {[%mdl 8192] White had blown much of his advantage but this is now losing again.} (47. Ke4 $17 {was the only defense.} Re3+ 48. Kf5) 47... Kxg6 $2 {Just very odd.} ({Black should play} 47... Rxd3 $19 48. Rxb6 Ke7 {with an easy win.}) 48. Kxf3 $19 {This endgame is drawn.} Kg5 49. Kg3 $1 Kf5 50. Kf3 Ke5 51. Kg4 Kd6 {[%cal Ob6b5]} 52. Kf3 $1 Kc7 {[%cal Ob6b5] (  ...b5!)} 53. Ke4 Kd6 (53... b5 $5 54. Kd5 $8 bxa4 55. bxa4 Kb6 $11) 54. Kf3 $1 b5 55. axb5 $11 {and Ke4 would now be decisive. K3P-K3P} Kc7 {(  ...Kb6)} 56. Ke2 $1 Kb6 57. Kd2 Kxb5 {K3P-KPP. Black is a pawn up.} 58. Kc1 Kc6 (58... a4 $2 59. Kb2 $19) 59. Kc2 Kd6 60. Kd2 Ke6 {(  ...Kf5)} 61. Ke2 Ke5 62. Ke1 Kf5 63. Kf1 $1 Kg5 64. Kg1 $1 Kh4 {(  ...Kg3)} 65. Kf2 Kg4 {(  ...Kf4)} 66. Kg2 $1 Kf5 {(  ...Kg4)} 67. Kf1 Ke6 68. Ke2 Kd7 69. Kd1 Kc6 70. Kc2 Kb5 71. Kc1 a4 72. Kb2 axb3 73. Kxb3 {KPP-KP. Black is a pawn up.} Ka6 74. Ka2 $1 Kb7 {(  ...Kc6)} 75. Kb1 Kb6 {(  ...Kb5)} 76. Kb2 $1 Kb5 {(  ...Kb4)} 77. Kb3 Kc6 {(  ...Kd5)} (77... Ka5 $5 78. Ka3 $8 Kb6 $11) 78. Kc2 $1 Kd5 {(  ...Ke5)} 79. Kd1 c4 80. dxc4+ Kxc4 {(  ...Kc3). KP-K. Black is a pawn up.} 81. Kc2 d3+ {[%cal Bd4d3,Bd3d2][%mdl 32]} 82. Kd2 Kd4 {[%cal Bc4d4,Bd4c3,Bc3d3][%mdl 32]} 83. Kd1 Kc3 {(  ...d2)} (83... Kc4 $5) 84. Kc1 d2+ 85. Kd1 Kd3 {An interesting game.  Weighted Error Value: White=0.37/Black=0.32} 1/2-1/2

[Event "12th Sinquefield Cup"]
[Site "Saint Louis USA"]
[Date "2025.08.24"]
[Round "6.2"]
[White "Gukesh, D"]
[Black "Firouzja, Alireza"]
[Result "1/2-1/2"]
[Annotator "Tactical Analysis 7.0"]
[ECO "B92"]
[WhiteElo "2776"]
[BlackElo "2766"]
[WhiteFideId "-1"]
[WhiteFideId "-1"]
[PlyCount "156"]
[GameId "2214521063477556"]
[EventDate "2025.08.18"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Be2 e5 7. Nb3 Be7 8. O-O O-O 9. Re1 Nc6 {B92: Sicilian Najdorf: 6 Be2.} 10. Bf1 a5 $146 ({Predecessor:} 10... Bg4 11. f3 Be6 12. Nd5 Bxd5 13. exd5 Nb4 14. c4 b5 15. a3 bxc4 16. axb4 cxb3 17. Qxb3 {½-½ Papadopoulos,I (2452)-Banikas,H (2572) GRE-ch 58th Rhodes 2008 (5)}) 11. Nd2 Bg4 12. f3 Be6 13. Nc4 Nd4 14. a4 Rc8 15. Ne3 Nh5 16. g3 {Wards off Bh4} Qb6 (16... Nf6 $11) 17. Kh1 (17. Kg2 {seems wilder.} Nf6 18. Nb5 h5 19. h4) 17... Nf6 {[%cal Bh5f6,Bf6d7,Bd7c5][%mdl 32]} 18. Nb5 Nd7 19. Ra3 Nc5 20. Nc3 Qd8 21. Ned5 $6 {Now black is better.} (21. Ncd5 $14) 21... Na6 $1 $11 22. Bxa6 bxa6 23. Be3 Bxd5 24. exd5 Rc4 25. Qd3 $6 (25. Bxd4 $1 $15 Rxd4 26. Qe2) 25... Qc8 $17 (25... Nxf3 26. Qxc4 (26. Rf1 Rxc3 27. Rxc3 f5 $16) 26... Nxe1 27. Qe2 $16 (27. Qxa6 $2 Nxc2 28. Bb6 Qd7 $19)) 26. Bxd4 Rxd4 27. Qe2 f5 28. Rb3 Bg5 29. f4 exf4 30. Qe6+ Kh8 $6 ({Better is} 30... Qxe6 $19 31. dxe6 g6) 31. Qxc8 Rxc8 32. Rb6 $1 {[%csl Ba6,Bd6]} fxg3 33. hxg3 {[%cal Ob6c6]} h6 34. Rxa6 Bd2 {[%csl Bc3,Be1][%mdl 64] [#] Deflection} 35. Nb5 Rxd5 36. Re2 Rxc2 (36... f4 $15 37. Rxd6 Rh5+ (37... Rxd6 38. Nxd6 Rxc2 39. Kh2 $11) 38. Kg2 Bc1) 37. Rxd6 $11 Rxd6 38. Nxd6 Rxb2 $15 {[%mdl 4096]} 39. Kg2 $1 Bc3 40. Rxb2 Bxb2 41. Nxf5 $11 {KB-KN. Black is a pawn up.} Kg8 {The endgame is drawn with best play but white is gong to be under pressure for a very long time.} 42. Kf3 Kf7 43. g4 $1 Kf6 {[%cal Oh6h5]} 44. Ne3 Kg5 45. Nc4 {[%csl Ba5,Bb2]} Bc3 46. Ne3 Be5 47. Nc4 {[%csl Ba5,Be5]} Bc7 48. Ne3 g6 49. Nd5 Bd6 50. Ne3 Kh4 51. Kg2 Bf4 {[%mdl 64] [#] Deflection} 52. Nc4 Bc7 ({Don't play} 52... Kxg4 53. Nxa5 Kf5 54. Nc4 $15) 53. Ne3 Be5 54. Nc4 Bc3 55. Ne3 Bb4 56. Kf3 Kh3 57. Nc4 h5 58. gxh5 gxh5 59. Ne5 Bd6 60. Nf7 Bc7 61. Ng5+ Kh2 62. Ne4 Bd8 63. Nf2 Be7 64. Nd3 Bd6 65. Nf2 Bb8 66. Ne4 Ba7 67. Nf6 h4 68. Ne4 Bb6 69. Kg4 Bd8 70. Nf2 Kg2 71. Nh3 Kf1 72. Nf4 Kf2 73. Ng6 Ke3 {White must now prevent ...Kd4.} 74. Ne5 Bc7 75. Nc4+ Kd4 76. Nxa5 $1 Bxa5 77. Kxh4 Bb4 78. a5 Bxa5 1/2-1/2

