CohenChessClub.com

[Event " MrCohenOS Arena"] [Site "https://cohenchessclub.com/Ll1dXHRU"] [Date "2026.10.28"] [White "Aaysia"] [Black "Leo3"] [Result "1-0"] [UTCDate "2026.10.28"] [UTCTime "13:41:51"] [WhiteElo "1526"] [BlackElo "1207"] [WhiteRatingDiff "+10"] [BlackRatingDiff "-5"] [Variant "Standard"] [TimeControl "420+2"] [ECO "A04"] [Opening "Zukertort Opening"] [Termination "Normal"] [Annotator "cohenchessclub.com"] 1. Nf3 { A04 Zukertort Opening } Na6? { (0.39 → 1.44) Mistake. d5 was best. } (1... d5 2. d4 Nf6 3. c4 dxc4 4. e3 e6 5. Bxc4 c5 6. O-O a6 7. dxc5 Bxc5 8. Qxd8+) 2. g3?! { (1.44 → 0.59) Inaccuracy. e4 was best. } (2. e4 e6 3. Nc3 Nf6 4. e5 Nd5 5. Ne4 Nb6 6. a4 d5 7. exd6 cxd6 8. a5 d5) 2... Nc5?! { (0.59 → 1.20) Inaccuracy. d5 was best. } (2... d5 3. Bg2 g6 4. c4 d4 5. a3 Bg7 6. d3 c5 7. b4 e5 8. h4 Ne7 9. h5) 3. Bh3?! { (1.20 → 0.41) Inaccuracy. d4 was best. } (3. d4 Ne4 4. Bg2 Ngf6 5. c4 c6 6. O-O g6 7. Ne5 d6 8. Nd3 d5 9. cxd5 cxd5) 3... Ne4?! { (0.41 → 1.24) Inaccuracy. d6 was best. } (3... d6 4. Bxc8 Qxc8 5. d4 Ne4 6. Qd3 Ngf6 7. Ng5 Nxg5 8. Bxg5 Nd7 9. Nc3 c6 10. O-O-O) 4. O-O Nxf2?? { (1.16 → 6.68) Blunder. g6 was best. } (4... g6 5. d3 Nc5 6. c4 d6 7. Bg2 e5 8. d4 exd4 9. b4 Ne6 10. Nxd4 Bg7 11. Bb2) 5. Kxf2 b6 6. Kg1 b5 7. b4?! { (7.89 → 5.12) Inaccuracy. Bg2 was best. } (7. Bg2 Bb7 8. d3 Nf6 9. e4 e6 10. e5 Ng4 11. d4 Be7 12. h3 O-O 13. Nc3 b4) 7... c5?! { (5.12 → 8.52) Inaccuracy. Bb7 was best. } (7... Bb7 8. Nc3) 8. bxc5 Rb8 9. d3 Rb7 10. Nh4 Rb6 11. Be3 Re6 12. Rf3 Rxe3 13. Rxe3 b4 14. d4 d6 15. g4? { (9.12 → 4.65) Mistake. Bxc8 was best. } (15. Bxc8) 15... dxc5 16. dxc5?? { (4.25 → -10.55) Blunder. g5 was best. } (16. g5 cxd4) 16... b3?? { (-10.55 → 10.00) Blunder. Qxd1+ was best. } (16... Qxd1+) 17. Rxb3?? { (10.00 → -10.33) Blunder. Qxd8+ was best. } (17. Qxd8+) 17... a5?? { (-10.33 → 10.55) Blunder. Qxd1+ was best. } (17... Qxd1+) 18. Qe1 a4 19. Rb4 a3 20. Nxa3 Bxg4 21. Bxg4 e6 22. Qg3 e5? { (7.29 → Mate in 9) Checkmate is now unavoidable. Bxc5+ was best. } (22... Bxc5+ 23. e3 Bxb4 24. Rd1 Qc8 25. Rb1 Bxa3 26. Rb8 Ne7 27. Rxc8+ Nxc8 28. Bxe6 fxe6 29. Qf3) 23. Qxe5+ Qe7 24. Qg3?! { (Mate in 1 → 11.36) Lost forced checkmate sequence. Rb8# was best. } (24. Rb8#) 24... Qxe2?! { (11.36 → Mate in 2) Checkmate is now unavoidable. Qxc5+ was best. } (24... Qxc5+ 25. Kg2) 25. Bxe2 Bxc5+ 26. Kf1 Bxb4 27. Nb5?! { (Mate in 5 → 23.27) Lost forced checkmate sequence. Bb5+ was best. } (27. Bb5+ Ke7 28. Qe5+ Kd8 29. Rd1+ Bd2 30. Rxd2+ Kc8 31. Ba6#) 27... Bc5?! { (23.27 → Mate in 5) Checkmate is now unavoidable. Nh6 was best. } (27... Nh6 28. Qb8+) 28. c4?! { (Mate in 5 → 21.81) Lost forced checkmate sequence. Qb8+ was best. } (28. Qb8+ Ke7 29. Rd1 Nf6 30. Qe5+ Kf8 31. Rd8+ Ne8 32. Qxe8#) 28... Bf8?! { (21.81 → Mate in 5) Checkmate is now unavoidable. g6 was best. } (28... g6 29. Qb8+) 29. a4?! { (Mate in 5 → 24.19) Lost forced checkmate sequence. Qb8+ was best. } (29. Qb8+ Kd7 30. Rd1+ Ke6 31. Qb6+ Ke5 32. Rd5+ Ke4 33. Qd4#) 29... Kd7?! { (24.19 → Mate in 3) Checkmate is now unavoidable. Bb4 was best. } (29... Bb4 30. Qxg7) 30. Bf3 Ke6 31. a5 Kf6 32. a6 Ba3 33. Rxa3 Ne7 34. a7 Nc8 35. a8=Q Nb6 36. Qa6 Ke7 37. Qxb6 Kd7 38. Qd4+ Ke6 39. Bg4+ f5 40. Ra6+ Ke7 41. Nxf5+ Kf8 42. Qa3+ Kf7 43. Bh5+ g6 44. Bg4 gxf5 45. Qd7+ Kg8 46. Bxf5 h5 47. h4 Rh6 48. Qg3+ Rg6 49. Qxg6+ Kf8 50. Qd8# { White wins by checkmate. } 1-0