CohenChessClub.com

[Event " MrCohenOS Arena"] [Site "https://cohenchessclub.com/UhT2k3rB"] [Date "2025.09.26"] [White "Nathan4"] [Black "LEO2"] [Result "0-1"] [UTCDate "2025.09.26"] [UTCTime "23:02:51"] [WhiteElo "1339"] [BlackElo "1371"] [WhiteRatingDiff "-11"] [BlackRatingDiff "+15"] [WhiteTitle "GM"] [BlackTitle "GM"] [Variant "Standard"] [TimeControl "420+2"] [ECO "B30"] [Opening "Sicilian Defense: Old Sicilian"] [Termination "Normal"] [Annotator "cohenchessclub.com"] 1. e4 c5 2. Nf3 Nc6 { B30 Sicilian Defense: Old Sicilian } 3. Bc4?! { (0.53 → -0.08) Inaccuracy. Bb5 was best. } (3. Bb5) 3... d6 4. O-O e5?! { (0.34 → 1.18) Inaccuracy. Nf6 was best. } (4... Nf6 5. Re1) 5. Nc3?! { (1.18 → 0.41) Inaccuracy. c3 was best. } (5. c3 Qb6) 5... Nf6?? { (0.41 → 3.11) Blunder. Be7 was best. } (5... Be7 6. Nd5 Nf6 7. Nxf6+ Bxf6 8. c3 O-O 9. h3 Rb8 10. a4 Kh8 11. d3 Be7 12. Ne1) 6. d3?? { (3.11 → 0.32) Blunder. Ng5 was best. } (6. Ng5 d5) 6... Nd4? { (0.32 → 1.52) Mistake. Be7 was best. } (6... Be7 7. Nd5 Nxd5 8. Bxd5 O-O 9. c3 Be6 10. Bxe6 fxe6 11. b4 cxb4 12. cxb4 Qd7 13. b5) 7. Bg5?! { (1.52 → 0.81) Inaccuracy. Nxd4 was best. } (7. Nxd4 cxd4 8. Nd5 Nxd5 9. Bxd5 Be7 10. c4 dxc3 11. bxc3 O-O 12. Rb1 Rb8 13. Qa4 a6) 7... Nxf3+ 8. Qxf3 Bg4?? { (1.34 → 8.60) Blunder. Be7 was best. } (8... Be7 9. Bb5+) 9. Qxg4? { (8.60 → 4.29) Mistake. Bxf6 was best. } (9. Bxf6) 9... Nxg4 10. Bxd8 Rxd8 11. h3? { (4.23 → 2.46) Mistake. Bb5+ was best. } (11. Bb5+ Ke7 12. Nd5+ Ke6 13. Bc4 Kd7 14. a4 h5 15. a5 h4 16. a6 b6 17. Nc3 Kc8) 11... Nf6 12. a3 g5 13. b4 Bg7?! { (3.18 → 4.92) Inaccuracy. h5 was best. } (13... h5 14. bxc5) 14. Nd5?? { (4.92 → 2.07) Blunder. bxc5 was best. } (14. bxc5) 14... Nxd5 15. Bxd5 O-O? { (2.80 → 4.43) Mistake. b6 was best. } (15... b6 16. a4) 16. Bxb7 cxb4? { (3.96 → 6.62) Mistake. Rb8 was best. } (16... Rb8 17. Bd5) 17. axb4 Rb8 18. Bd5?! { (7.37 → 4.83) Inaccuracy. Rxa7 was best. } (18. Rxa7 f5) 18... Rxb4 19. Rxa7 Rfb8?! { (4.86 → 6.47) Inaccuracy. Bf6 was best. } (19... Bf6) 20. Rfa1 Rb1+ 21. Rxb1 Rxb1+ 22. Kh2 Rb8 23. Bxf7+ Kf8 24. g3?! { (7.83 → 4.55) Inaccuracy. Bd5 was best. } (24. Bd5 Re8) 24... Rb2?! { (4.55 → 7.00) Inaccuracy. Bf6 was best. } (24... Bf6) 25. c4?? { (7.00 → -4.62) Blunder. Bb3 was best. } (25. Bb3 h6 26. Kg2 Rb1 27. Rf7+ Kg8 28. Rd7+ Kh7 29. Rd8 Bf6 30. Rxd6 Kg6 31. Be6 Rc1) 25... Rxf2+ 26. Kg1 Rxf7 27. Rxf7+?! { (-4.82 → -6.62) Inaccuracy. Ra6 was best. } (27. Ra6 Rd7) 27... Kxf7 28. Kf2 Kg6 29. Kf3 Kh5 30. g4+ Kh4 31. Kg2 Bf8 32. Kh2 Be7 33. Kg2 Bd8 34. Kh2 Ba5 35. Kg2 Be1 36. Kh2 Bg3+ 37. Kg2 h6 38. Kf3 Kxh3 39. Ke3 Kxg4 40. d4 exd4+ 41. Kxd4 Be5+ 42. Kd5 h5 43. c5 Bf4?? { (-17.97 → 2.19) Blunder. dxc5 was best. } (43... dxc5 44. Kc4 h4 45. Kb5 h3 46. Kb6 h2 47. Ka6 c4 48. Ka5 c3 49. Kb4 c2 50. Ka4) 44. c6 h4 45. c7 h3 46. c8=Q+ Kg3 47. Qc3+ Kg2 48. Qc2+ Kg1 49. Qc8?? { (2.26 → 0.00) Blunder. Qd1+ was best. } (49. Qd1+ Kf2 50. Ke6 h2 51. Qh1 Ke3 52. Qf1 Kd2 53. Kf5 Kc2 54. Kg4 Kb2 55. Qh1 Kc2) 49... h2 50. Qh8?? { (0.00 → -8.95) Blunder. Qg4+ was best. } (50. Qg4+ Kf2 51. Qd1 Kg2 52. e5 dxe5 53. Qe2+ Kg1 54. Qe1+ Kg2 55. Qe4+ Kg1) 50... h1=Q 51. Qxh1+ Kxh1 52. Kd4 g4 53. Kd3 g3 54. Ke2 g2 55. Kf2 g1=Q+ 56. Kf3 Qg3+ 57. Ke2 Qe3+ 58. Kf1 { White resigns. } 0-1