CohenChessClub.com

[Event " MrCohenOS Arena"] [Site "https://cohenchessclub.com/ZyCJaXnu"] [Date "2025.12.19"] [White "Wali"] [Black "Ethan9"] [Result "1-0"] [UTCDate "2025.12.19"] [UTCTime "21:06:41"] [WhiteElo "1742"] [BlackElo "1260"] [WhiteRatingDiff "+1"] [BlackRatingDiff "-3"] [WhiteTitle "GM🏆"] [Variant "Standard"] [TimeControl "420+2"] [ECO "B00"] [Opening "Nimzowitsch Defense: Williams Variation"] [Termination "Normal"] [Annotator "cohenchessclub.com"] 1. e4 d6 2. Nf3 Nc6 { B00 Nimzowitsch Defense: Williams Variation } 3. d4 e5 4. d5 Nd4? { (1.08 → 2.83) Mistake. Nce7 was best. } (4... Nce7 5. c4 g6 6. Nc3 f5 7. exf5 Nxf5 8. g4 Nh4 9. c5 a6 10. g5 Nf5 11. h4) 5. Nxd4 exd4 6. Qxd4 Nf6 7. Nc3 g6?! { (3.04 → 4.55) Inaccuracy. a6 was best. } (7... a6 8. b3 g6 9. Bb2 Bg7 10. O-O-O O-O 11. f3 Nd7 12. Qd2 Nc5 13. Ne2 Bxb2+ 14. Kxb2) 8. Bg5?! { (4.55 → 3.06) Inaccuracy. Bb5+ was best. } (8. Bb5+ Bd7 9. Bxd7+ Kxd7 10. Be3 Bg7 11. O-O-O Kc8 12. Rhe1 Rg8 13. e5 dxe5 14. Qc4 Qd7) 8... Bg7 9. Qd2 h6 10. Be3 c6?! { (3.43 → 4.51) Inaccuracy. Ng4 was best. } (10... Ng4 11. Bd4 Bxd4 12. Qxd4 Qf6 13. Qxf6 Nxf6 14. Kd2 Bd7 15. f3 a5 16. Bd3 c6 17. Bc4) 11. O-O-O cxd5 12. exd5?! { (3.96 → 3.06) Inaccuracy. Nxd5 was best. } (12. Nxd5) 12... O-O? { (3.06 → 5.69) Mistake. h5 was best. } (12... h5 13. Bb5+ Bd7 14. Bg5 O-O 15. Qf4 Bxb5 16. Nxb5 Qb6 17. Bxf6 Bxf6 18. Qxf6 Qxb5 19. Qxd6) 13. Bxh6 Bxh6 14. Qxh6 Bg4 15. f3 Bd7 16. Bd3 Nh7 17. h4 f5 18. Qxg6+ Kh8 19. g4?! { (10.02 → 6.19) Inaccuracy. Qxd6 was best. } (19. Qxd6) 19... Qf6 20. Qh5 Be8 21. Qxf5 Qxf5 22. Bxf5 Rd8 23. Ne4 Bd7 24. Nxd6 Bxf5 25. Nxf5 Nf6 26. c4 b5 27. b3 bxc4 28. bxc4 Kh7 29. Nd4 Kg7 30. Ne6+ Kf7 31. Nxd8+ Rxd8 32. h5 Kg7 33. h6+ Kh7 34. Rde1 Nxd5 35. cxd5 Rxd5 36. Re7+ Kh8 37. h7 Rd8 38. Rxa7? { (Mate in 7 → 8.01) Lost forced checkmate sequence. g5 was best. } (38. g5 Rc8+ 39. Kd2 Rd8+ 40. Ke3 a5 41. g6 Rg8 42. hxg8=Q+ Kxg8 43. g7 a4 44. Rh8#) 38... Rc8+ 39. Kb2?! { (7.35 → 5.30) Inaccuracy. Rc7 was best. } (39. Rc7 Rxc7+ 40. Kb2 Rb7+ 41. Ka1 Rf7 42. Rh3 Rf6 43. a3 Ra6 44. Ka2 Ra5 45. Rh5 Ra6) 39... Rb8+ 40. Kc3?! { (6.97 → 4.86) Inaccuracy. Rb7 was best. } (40. Rb7 Rxb7+ 41. Ka1 Rf7 42. Rh3 Rc7 43. a3 Rc2 44. Kb1 Rd2 45. a4 Rd4 46. a5 Ra4) 40... Rc8+?! { (4.86 → 8.22) Inaccuracy. Rb3+ was best. } (40... Rb3+) 41. Kd4?! { (8.22 → 5.46) Inaccuracy. Rc7 was best. } (41. Rc7) 41... Rd8+?! { (5.46 → 8.13) Inaccuracy. Rc4+ was best. } (41... Rc4+) 42. Ke5?! { (8.13 → 4.91) Inaccuracy. Rd7 was best. } (42. Rd7) 42... Rb8? { (4.91 → 64.57) Mistake. Rd5+ was best. } (42... Rd5+) 43. g5? { (64.57 → 4.74) Mistake. Ra6 was best. } (43. Ra6 Rb5+ 44. Kd4 Rb4+ 45. Ke3 Rb8 46. g5 Re8+ 47. Kf4 Rc8 48. Re6 Rb8 49. Ke5 Rb5+) 43... Rb2?? { (4.74 → Mate in 4) Checkmate is now unavoidable. Rb5+ was best. } (43... Rb5+ 44. Ke6 Rb6+ 45. Ke7 Re6+ 46. Kd8 Re8+ 47. Kd7 Rd8+ 48. Ke6 Rd6+ 49. Kf5 Rf6+ 50. Kg4) 44. Ra8+ Kg7 45. h8=Q+ Kg6 46. Rg8+ Kf7 47. Qg7# { White wins by checkmate. } 1-0