CohenChessClub.com

[Event "MrCohenOS Arena"] [Site "https://cohenchessclub.com/ISjJtz05"] [Date "2026.09.30"] [White "Leo3"] [Black "Aaysia"] [Result "0-1"] [UTCDate "2026.09.30"] [UTCTime "13:37:03"] [WhiteElo "1209"] [BlackElo "1776"] [WhiteRatingDiff "-8"] [BlackRatingDiff "+18"] [Variant "Standard"] [TimeControl "420+2"] [ECO "A01"] [Opening "Nimzo-Larsen Attack: Indian Variation"] [Termination "Normal"] [Annotator "cohenchessclub.com"] 1. b3 Nf6 { A01 Nimzo-Larsen Attack: Indian Variation } 2. Nc3?! { (0.05 → -0.84) Inaccuracy. Bb2 was best. } (2. Bb2 c5 3. Nf3 Nc6 4. e3 g6 5. Be2 Bg7 6. c4 O-O 7. O-O d5 8. cxd5 Nxd5) 2... g6?! { (-0.84 → -0.28) Inaccuracy. e5 was best. } (2... e5 3. e4 Bc5 4. Nf3 O-O 5. Bc4 c6 6. Nxe5 d5 7. exd5 cxd5 8. Be2 d4 9. Na4) 3. Nd5?? { (-0.28 → -7.12) Blunder. e4 was best. } (3. e4 e5) 3... Nxd5 4. b4 Bh6 5. b5 O-O 6. b6 Nxb6 7. Nf3 f5 8. Nd4 d6 9. Nxf5 gxf5 10. Rg1 c5 11. a3 d5 12. a4 a5 13. c3 e6 14. c4 Nxc4 15. Ra3 Nxa3 16. Bxa3 c4 17. Bxf8 Kxf8 18. d3 e5 19. dxc4 dxc4?? { (-11.50 → 11.87) Blunder. Qb6 was best. } (19... Qb6) 20. e3?? { (11.87 → -10.81) Blunder. Qxd8+ was best. } (20. Qxd8+) 20... e4?? { (-10.81 → 13.77) Blunder. Qxd1+ was best. } (20... Qxd1+ 21. Kxd1 Be6 22. g4 Nc6 23. gxf5 Rd8+ 24. Kc1 Bf7 25. Rg4 c3 26. Rc4 Nb4 27. Rxc3) 21. f3?? { (13.77 → -13.87) Blunder. Qxd8+ was best. } (21. Qxd8+) 21... Bxe3?? { (-13.87 → 8.47) Blunder. Qxd1+ was best. } (21... Qxd1+) 22. fxe4?? { (8.47 → -17.11) Blunder. Qxd8+ was best. } (22. Qxd8+ Kf7) 22... fxe4?? { (-17.11 → 9.36) Blunder. Qxd1+ was best. } (22... Qxd1+) 23. g4?? { (9.36 → -18.43) Blunder. Qxd8+ was best. } (23. Qxd8+ Kg7) 23... Bxg1?? { (-18.43 → 7.06) Blunder. Qxd1+ was best. } (23... Qxd1+) 24. g5?? { (7.06 → -19.93) Blunder. Qxd8+ was best. } (24. Qxd8+ Kf7) 24... Qxg5 25. Qa1?! { (-18.65 → Mate in 7) Checkmate is now unavoidable. Qd6+ was best. } (25. Qd6+ Kg7) 25... Bxh2?! { (Mate in 7 → -18.77) Lost forced checkmate sequence. Qe3+ was best. } (25... Qe3+ 26. Be2 Bf2+ 27. Kd1 Qb3+ 28. Kd2 Be3+ 29. Ke1 Qb4+ 30. Qc3 Qxc3+ 31. Kf1 Bh3#) 26. Kd1 b6 27. Qa2 Bd6 28. Qxc4 Nd7 29. Qxe4 Qg6 30. Qxa8?! { (-15.85 → Mate in 12) Checkmate is now unavoidable. Qf3+ was best. } (30. Qf3+ Qf6) 30... Nb8?! { (Mate in 12 → -10.96) Lost forced checkmate sequence. Qb1+ was best. } (30... Qb1+ 31. Kd2 Bb4+ 32. Ke3 Qe1+ 33. Kf4 Bd6+ 34. Kf3 Qxf1+ 35. Ke3 Qe1+ 36. Kd3 Qd1+ 37. Ke3) 31. Qxb8?! { (-10.96 → Mate in 8) Checkmate is now unavoidable. Qf3+ was best. } (31. Qf3+ Qf7 32. Be2 Qxf3 33. Bxf3 Bd7 34. Be4 Bxa4+ 35. Ke1 h6 36. Kd2 Nd7 37. Bd3 Ke7) 31... Bxb8 32. Ke1 Qg1 33. Kd2 Qxf1 34. Ke3 h5 35. Kd2 h4 36. Ke3 h3 37. Ke4 h2 38. Ke3 Bd7 39. Kd4 Bxa4 40. Kc3 h1=R 41. Kd2 Rh2+ 42. Kc3 Be5# { Black wins by checkmate. } 0-1