CohenChessClub.com

[Event " MrCohenOS Arena"] [Site "https://cohenchessclub.com/ytXSmk5a"] [Date "2026.04.19"] [White "Nathaniel1"] [Black "Sydney"] [Result "1-0"] [UTCDate "2026.04.19"] [UTCTime "17:40:32"] [WhiteElo "1087"] [BlackElo "1084"] [WhiteRatingDiff "+56"] [BlackRatingDiff "-24"] [Variant "Standard"] [TimeControl "420+2"] [ECO "D02"] [Opening "Queen's Pawn Game: Chigorin Variation"] [Termination "Normal"] [Annotator "cohenchessclub.com"] 1. d4 Nc6?! { (0.41 → 1.03) Inaccuracy. Nf6 was best. } (1... Nf6 2. c4 e6 3. Nf3 d5 4. Nc3 c5 5. cxd5 Nxd5 6. e4 Nxc3 7. bxc3 cxd4 8. cxd4) 2. Nf3 d5 { D02 Queen's Pawn Game: Chigorin Variation } 3. e3 Nf6 4. Bb5 g5?! { (0.49 → 1.30) Inaccuracy. e6 was best. } (4... e6 5. O-O Be7 6. b3 O-O 7. Bb2 Nb8 8. Nbd2 b6 9. Qe2 Bb7 10. Rad1 Nbd7 11. Bd3) 5. O-O Bh6 6. Nc3?! { (1.79 → 1.24) Inaccuracy. c4 was best. } (6. c4) 6... O-O 7. h4?? { (1.28 → -0.28) Blunder. Bxc6 was best. } (7. Bxc6 bxc6 8. Ne5 Qd6 9. b3 Nd7 10. f4 Bg7 11. Na4 Nxe5 12. fxe5 Qg6 13. Ba3 Re8) 7... gxh4 8. Nxh4 Bg7?! { (-0.44 → 0.08) Inaccuracy. Kh8 was best. } (8... Kh8 9. e4 Bxc1 10. Rxc1 dxe4 11. Bxc6 bxc6 12. Re1 Bg4 13. Qd2 e5 14. Qg5 Rg8 15. Qxe5) 9. Bxc6 bxc6 10. f3?! { (-0.24 → -1.08) Inaccuracy. Nf3 was best. } (10. Nf3 Qd6) 10... Ba6?! { (-1.08 → -0.30) Inaccuracy. e5 was best. } (10... e5 11. dxe5 Nh5 12. Qe1 Bxe5 13. f4 Bf6 14. Nf3 Re8 15. Qf2 Bg4 16. e4 Bxc3 17. bxc3) 11. Rf2 c5?? { (-0.10 → 2.07) Blunder. e6 was best. } (11... e6 12. g3 Kh8 13. Rh2 Rg8 14. Kf2 Qd6 15. Ng2 c5 16. Nf4 cxd4 17. exd4 c5 18. Be3) 12. dxc5?? { (2.07 → -0.80) Blunder. Nf5 was best. } (12. Nf5 Nh5 13. Nxg7 Nxg7 14. dxc5 c6 15. Qd4 Re8 16. e4 e5 17. Qa4 Bb7 18. Bh6 d4) 12... c6?? { (-0.80 → 2.60) Blunder. e6 was best. } (12... e6 13. g3) 13. e4?? { (2.60 → -0.60) Blunder. Nf5 was best. } (13. Nf5 Kh8) 13... dxe4? { (-0.60 → 0.68) Mistake. e6 was best. } (13... e6) 14. Qxd8 Rfxd8 15. fxe4?? { (1.08 → -1.52) Blunder. Nf5 was best. } (15. Nf5 Kf8) 15... Nd7?? { (-1.52 → 1.32) Blunder. Ng4 was best. } (15... Ng4 16. Rd2) 16. Bf4? { (1.32 → 0.00) Mistake. Nf5 was best. } (16. Nf5 Bf8) 16... Nxc5 17. Rd2? { (0.01 → -1.34) Mistake. Nf5 was best. } (17. Nf5 Bxc3) 17... Rxd2 18. Bxd2 Ne6? { (-1.23 → 0.12) Mistake. Rb8 was best. } (18... Rb8 19. Rb1) 19. Nf5 Nd4 20. Nxd4?? { (0.35 → -1.21) Blunder. Nxe7+ was best. } (20. Nxe7+ Kf8) 20... c5?? { (-1.21 → 6.77) Blunder. Bxd4+ was best. } (20... Bxd4+ 21. Kh2) 21. Nf5 Rf8 22. Nxe7+ Kh8 23. Rf1 f5 24. Nxf5 Bb7 25. Bh6 Rxf5 26. Rxf5 Bxh6 27. Rf8+?? { (8.75 → -5.95) Blunder. Rf7 was best. } (27. Rf7 Be3+) 27... Bxf8 28. Nb5 Bc6?! { (-5.76 → -4.52) Inaccuracy. Bxe4 was best. } (28... Bxe4 29. Nxa7 Bxc2 30. Nc6 Kg8 31. Na5 Bg7 32. Nb7 Bxb2 33. Nxc5 Bd4+ 34. Kf1 Bxc5 35. Ke2) 29. Nc3?! { (-4.52 → -6.91) Inaccuracy. Nxa7 was best. } (29. Nxa7 Bxe4 30. c3 Kg7 31. Nc8 Kf6 32. Nb6 Ke6 33. a4 Bd3 34. Kf2 Ba6 35. a5 Kd6) 29... Ba4?? { (-6.91 → 5.55) Blunder. Bg7 was best. } (29... Bg7 30. Nd5 Bxb2 31. c3 Kg7 32. Kf2 Bc1 33. Nb4 Bb5 34. a4 Bxa4 35. Nd3 Bh6 36. g3) 30. Nxa4 Bg7 31. Nxc5?? { (6.98 → 1.63) Blunder. Kf2 was best. } (31. Kf2) 31... Bxb2?? { (1.63 → 6.19) Blunder. Bd4+ was best. } (31... Bd4+ 32. Kf1) 32. e5?? { (6.19 → -2.84) Blunder. Nd3 was best. } (32. Nd3 Bc3 33. Kf2 Kg7 34. Kg3 Kf6 35. Kg4 Ke6 36. Kh5 Bd2 37. c4 Kf6 38. e5+ Ke6) 32... Bxe5?? { (-2.84 → 2.50) Blunder. Bd4+ was best. } (32... Bd4+ 33. Kh2 Bxc5 34. Kg3 Kg7 35. Kf4 Kf7 36. Kf5 Bf2 37. g4 Ke7 38. c4 Bc5 39. e6) 33. c4?? { (2.50 → -5.00) Blunder. Kf1 was best. } (33. Kf1) 33... Bd4+ 34. Kf1 Bxc5 35. g4?! { (-5.40 → -7.74) Inaccuracy. Ke2 was best. } (35. Ke2 Kg7) 35... a5 36. a4 Be7 37. Ke2 Bd6 38. g5 Ba3 { Black resigns. } 1-0