CohenChessClub.com

[Event " MrCohenOS Arena"] [Site "https://cohenchessclub.com/J03IELfY"] [Date "2026.08.30"] [White "Aaron9"] [Black "Gideon"] [Result "1-0"] [UTCDate "2026.08.30"] [UTCTime "17:21:36"] [WhiteElo "1253"] [BlackElo "1272"] [WhiteRatingDiff "+16"] [BlackRatingDiff "-14"] [Variant "Standard"] [TimeControl "420+2"] [ECO "B00"] [Opening "Nimzowitsch Defense: Scandinavian Variation, Exchange Variation, Marshall Gambit"] [Termination "Normal"] [Annotator "cohenchessclub.com"] 1. e4 d5?! { (0.33 → 0.96) Inaccuracy. c5 was best. } (1... c5 2. Nf3 d6 3. Nc3 e5 4. Bc4 Be7 5. d3 Nc6 6. O-O h6 7. Nd5 Nf6 8. Nxf6+) 2. d4?? { (0.96 → -0.84) Blunder. exd5 was best. } (2. exd5 Nf6 3. d4 Bf5 4. Nf3 Nxd5 5. Bd3 Bxd3 6. Qxd3 e6 7. O-O c5 8. Qe2 cxd4) 2... Nc6?? { (-0.84 → 0.76) Blunder. dxe4 was best. } (2... dxe4 3. Nc3 Nf6 4. h3 Nc6 5. Nge2 e5 6. Be3 Nd5 7. dxe5 Nxe3 8. Qxd8+ Kxd8 9. fxe3) 3. exd5?! { (0.76 → 0.23) Inaccuracy. e5 was best. } (3. e5 Bf5 4. c3 f6 5. f4 e6 6. Be2 Nh6 7. Nf3 Be7 8. Nbd2 fxe5 9. fxe5 Bg6) 3... Qxd5 4. Nc3? { (0.42 → -0.95) Mistake. Nf3 was best. } { B00 Nimzowitsch Defense: Scandinavian Variation, Exchange Variation, Marshall Gambit } (4. Nf3 e5) 4... Qa5?? { (-0.95 → 1.66) Blunder. Qxd4 was best. } (4... Qxd4 5. Bd2 Bg4 6. Nf3 Qf6 7. Nd5 Qd6 8. Ne3 h5 9. h3 Bxf3 10. Qxf3 Qf6 11. Be2) 5. Bd2?! { (1.66 → 0.76) Inaccuracy. d5 was best. } (5. d5 Nb8 6. Bd2 Nf6 7. Nf3 c6 8. dxc6 bxc6 9. Ne4 Qc7 10. Bd3 Nbd7 11. Qe2 e6) 5... Nf6?? { (0.76 → 2.75) Blunder. Nxd4 was best. } (5... Nxd4 6. Nf3) 6. Ne4?? { (2.75 → -0.64) Blunder. Bb5 was best. } (6. Bb5) 6... Bg4?? { (-0.64 → 8.45) Blunder. Qb6 was best. } (6... Qb6 7. Nxf6+ gxf6 8. d5 Ne5 9. Bc3 Bg4 10. Be2 Rg8 11. Nf3 O-O-O 12. Nxe5 Bxe2 13. Qxe2) 7. f3? { (8.45 → 4.23) Mistake. Nxf6+ was best. } (7. Nxf6+ exf6) 7... Qf5?! { (4.23 → 6.30) Inaccuracy. Qd5 was best. } (7... Qd5 8. Nxf6+) 8. Bd3?? { (6.30 → 0.39) Blunder. Nxf6+ was best. } (8. Nxf6+) 8... Nxd4?? { (0.39 → 6.50) Blunder. Nxe4 was best. } (8... Nxe4 9. c3 Nf2 10. Bxf5 Nxd1 11. fxg4 Nxb2 12. Rb1 e6 13. Be4 Nc4 14. Rxb7 Kd7 15. Bd3) 9. Nd6+?? { (6.50 → 3.00) Blunder. fxg4 was best. } (9. fxg4) 9... cxd6 10. Bxf5 Nxf5?? { (3.10 → 7.91) Blunder. Bxf5 was best. } (10... Bxf5 11. Rc1 Nc6 12. Ne2 e5 13. c4 Be7 14. Qb3 O-O 15. Ng3 Be6 16. Qxb7 Rfc8 17. Qa6) 11. fxg4 Nd4 12. Bc3 Nb5 13. g5 Ne4 14. Ne2 f6 15. gxf6 exf6 16. g4 Be7 17. Qd5 Nexc3 18. Nxc3 O-O-O 19. Nxb5 Rhe8 20. O-O-O f5 21. gxf5 Bg5+ 22. Kb1 Re5 23. Qc4+ Kb8 24. Rxd6 Rde8 25. Qc7+ Ka8 26. Rd8+ Bxd8?! { (12.76 → Mate in 1) Checkmate is now unavoidable. Rxd8 was best. } (26... Rxd8 27. Qxe5 a6 28. Nc7+ Ka7 29. Ne6 Rd7 30. Nxg5 b6 31. Nxh7 Rb7 32. Ng5 Ka8 33. Ne6) 27. Qc8# { White wins by checkmate. } 1-0