CohenChessClub.com

[Event " MrCohenOS Arena"] [Site "https://cohenchessclub.com/wU3yxbTL"] [Date "2026.09.06"] [White "Aaron9"] [Black "Sydney"] [Result "1-0"] [UTCDate "2026.09.06"] [UTCTime "17:15:17"] [WhiteElo "1230"] [BlackElo "1052"] [WhiteRatingDiff "+8"] [BlackRatingDiff "-14"] [Variant "Standard"] [TimeControl "420+2"] [ECO "B00"] [Opening "Nimzowitsch Defense: Mikenas Variation"] [Termination "Time forfeit"] [Annotator "cohenchessclub.com"] 1. d4 Nc6?! { (0.43 → 1.03) Inaccuracy. Nf6 was best. } (1... Nf6 2. c4 e6 3. Nf3 d5 4. Nc3 Bb4 5. Bg5 h6 6. Bxf6 Bxc3+ 7. bxc3 Qxf6 8. cxd5) 2. e4 d6 { B00 Nimzowitsch Defense: Mikenas Variation } 3. Nf3 Bg4 4. h3 Bxf3 5. Qxf3? { (0.76 → -0.68) Mistake. gxf3 was best. } (5. gxf3 g6) 5... Nxd4 6. Qd1?! { (-0.28 → -1.05) Inaccuracy. Qd3 was best. } (6. Qd3 c5 7. Be3 Nc6 8. g4 a6 9. Nd2 Qc7 10. f4 O-O-O 11. O-O-O e6 12. Bg2 Nge7) 6... e5 7. Be3 Ne6 8. Bc4 Ng5?? { (-0.99 → 1.74) Blunder. Nf6 was best. } (8... Nf6 9. Nd2 c6 10. Qe2 Be7 11. O-O-O O-O 12. Kb1 Qc7 13. Bxe6 fxe6 14. g4 Nd7 15. h4) 9. h4?? { (1.74 → -0.18) Blunder. Qh5 was best. } (9. Qh5) 9... Nxe4?? { (-0.18 → 5.61) Blunder. Ne6 was best. } (9... Ne6) 10. Qf3?? { (5.61 → -3.08) Blunder. Qd5 was best. } (10. Qd5 Ne7) 10... Nef6?? { (-3.08 → 0.00) Blunder. d5 was best. } (10... d5 11. Bb3 c6 12. Nd2 Nc5 13. O-O-O Nf6 14. Qg3 Nxb3+ 15. axb3 Bd6 16. f4 e4 17. Bd4) 11. Bg5?? { (0.00 → -3.71) Blunder. Qxb7 was best. } (11. Qxb7 Rb8 12. Bb5+ Nd7 13. Bxd7+ Kxd7 14. Qxa7 Nf6 15. Bg5 Qc8 16. Nc3 Be7 17. O-O Ke8) 11... h6? { (-3.71 → -1.86) Mistake. d5 was best. } (11... d5 12. Bb3) 12. Bxf6 gxf6?? { (-1.70 → 0.60) Blunder. Nxf6 was best. } (12... Nxf6 13. Qxb7 Rb8 14. Bb5+ Ke7 15. Qa6 Rb6 16. Qa4 Qa8 17. O-O Qb7 18. Be2 Rb4 19. Qa3) 13. Qh5?? { (0.60 → -3.05) Blunder. Qb3 was best. } (13. Qb3 Rh7) 13... Qe7?? { (-3.05 → -1.17) Blunder. Qd7 was best. } (13... Qd7 14. Bd3) 14. Nc3 e4?? { (-1.26 → 2.42) Blunder. c6 was best. } (14... c6 15. O-O-O O-O-O 16. Bxf7 Kb8 17. Rh3 Rd7 18. Bg6 d5 19. Bf5 Rd6 20. Rg3 Qd8 21. Bh3) 15. Nd5?? { (2.42 → -0.34) Blunder. O-O-O was best. } (15. O-O-O O-O-O) 15... Qd7 16. g4?? { (-0.07 → -2.84) Blunder. Nf4 was best. } (16. Nf4 f5) 16... c6 17. Nb4? { (-2.80 → -4.57) Mistake. Ne3 was best. } (17. Ne3 d5) 17... c5?? { (-4.57 → 0.82) Blunder. d5 was best. } (17... d5 18. Nxd5 cxd5 19. O-O-O Bd6 20. Rxd5 O-O-O 21. Rhd1 Qc7 22. R5d4 Ne7 23. Qxf7 Bf4+ 24. Kb1) 18. Bxf7+?? { (0.82 → -7.46) Blunder. Nd5 was best. } (18. Nd5 O-O-O 19. O-O-O Bg7 20. Rhe1 f5 21. Qxf5 Qxf5 22. gxf5 Bd4 23. Rxe4 Bxf2 24. f6 Bd4) 18... Ke7?? { (-7.46 → 8.23) Blunder. Qxf7 was best. } (18... Qxf7 19. Qxf7+ Kxf7 20. Nd5 Ne7 21. Rd1 Nxd5 22. Rxd5 Be7 23. c4 Ke6 24. b4 cxb4 25. f4) 19. Nd5+ Kd8 20. Be8?? { (8.79 → -5.52) Blunder. O-O-O was best. } (20. O-O-O Ne7) 20... Qxe8 21. Qxe8+ Kxe8 22. Nc7+ Kd8? { (-5.53 → -3.01) Mistake. Kd7 was best. } (22... Kd7) 23. Nxa8 h5 24. O-O-O?! { (-2.56 → -3.45) Inaccuracy. g5 was best. } { White wins on time. } (24. g5 Kd7) 1-0