CohenChessClub.com

[Event " MrCohenOS Arena"] [Site "https://cohenchessclub.com/hHtLD2uT"] [Date "2026.06.10"] [White "Alexander9"] [Black "Maria"] [Result "0-1"] [UTCDate "2026.06.10"] [UTCTime "20:36:13"] [WhiteElo "931"] [BlackElo "1163"] [WhiteRatingDiff "-8"] [BlackRatingDiff "+4"] [BlackTitle "❦"] [Variant "Standard"] [TimeControl "420+2"] [ECO "B00"] [Opening "Pirc Defense"] [Termination "Normal"] [Annotator "cohenchessclub.com"] 1. e4 d6 { B00 Pirc Defense } 2. Nc3 Nf6 3. Nf3 Bg4?! { (0.58 → 1.24) Inaccuracy. c5 was best. } (3... c5 4. d4 cxd4 5. Nxd4 a6 6. Be3 e5 7. Nb3 Ng4 8. Bc1 Nf6 9. f3 Be6 10. Bg5) 4. Bb5+? { (1.24 → 0.19) Mistake. d4 was best. } (4. d4) 4... c6 5. Bf1 Bxf3 6. Qxf3 Qb6 7. e5?? { (0.99 → -1.25) Blunder. a4 was best. } (7. a4 a5) 7... dxe5 8. Qf5?! { (-1.16 → -1.98) Inaccuracy. g4 was best. } (8. g4 e6) 8... Nd5?? { (-1.98 → 8.11) Blunder. Nbd7 was best. } (8... Nbd7 9. Qf3) 9. Qxe5?? { (8.11 → 0.00) Blunder. Nxd5 was best. } (9. Nxd5) 9... Nxc3 10. bxc3 e6 11. d4 Nd7 12. Qg3 e5? { (0.35 → 1.53) Mistake. Qa5 was best. } (12... Qa5 13. Bd2 h5 14. c4 Qb6 15. Qd3 e5 16. c3 exd4 17. cxd4 Bb4 18. Be2 Bxd2+ 19. Qxd2) 13. dxe5?! { (1.53 → 0.96) Inaccuracy. Bc4 was best. } (13. Bc4 f6) 13... Bc5?? { (0.96 → 3.22) Blunder. O-O-O was best. } (13... O-O-O 14. Be2 Qa5 15. Bf4 Re8 16. O-O Nxe5 17. Rae1 Bd6 18. Qxg7 Qxc3 19. Bxe5 Bxe5 20. Qxf7) 14. Qxg7?? { (3.22 → -2.76) Blunder. Bc4 was best. } (14. Bc4) 14... Bxf2+ 15. Kd1 Rf8?? { (-2.13 → -0.31) Blunder. O-O-O was best. } (15... O-O-O 16. Bd3 Rhe8 17. Qg4 h5 18. Qb4 Nxe5 19. Qxb6 Bxb6 20. Bd2 Nxd3 21. cxd3 Rxd3 22. Kc2) 16. Bh6?? { (-0.31 → -2.74) Blunder. Bd3 was best. } (16. Bd3) 16... Qb2 17. Rc1 Qxc3?? { (-2.91 → 0.87) Blunder. O-O-O was best. } (17... O-O-O 18. Bd3 Rfe8 19. Bf4 Qxc3 20. Qxh7 Bd4 21. Rb1 Bxe5 22. Bg5 Nc5 23. Bxd8 Rxd8 24. Qxf7) 18. Qxf8+?? { (0.87 → -9.05) Blunder. Bd3 was best. } (18. Bd3 Qc5 19. Qxh7 Be3 20. Bxe3 Qxe3 21. Qh4 Rg8 22. Re1 Qg5 23. Qxg5 Rxg5 24. e6 Nc5) 18... Nxf8 19. Bxf8? { (-8.83 → Mate in 1) Checkmate is now unavoidable. Bd2 was best. } (19. Bd2) 19... Qd4+? { (Mate in 1 → -9.23) Lost forced checkmate sequence. Qe1# was best. } (19... Qe1#) 20. Ke2? { (-9.23 → Mate in 2) Checkmate is now unavoidable. Bd3 was best. } (20. Bd3 Kxf8 21. Rf1 Qg4+ 22. Kd2 Bb6 23. Rb1 Ba5+ 24. Kc1 Qg5+ 25. Kb2 Qxe5+ 26. Ka3 Qe7+) 20... Kxf8 21. Rd1 Qc4+? { (Mate in 1 → -8.43) Lost forced checkmate sequence. Qe3# was best. } (21... Qe3#) 22. Kxf2 Qxc2+ 23. Ke1 Re8 24. Be2 Rxe5 25. Rd2 Qc1+ 26. Rd1 Qc3+ 27. Rd2 Qa1+ 28. Rd1 Qxa2 29. Rd8+ Ke7 30. Rd1? { (-8.84 → Mate in 1) Checkmate is now unavoidable. Rd2 was best. } (30. Rd2) 30... Qxe2# { Black wins by checkmate. } 0-1