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Puzzles (3 cohencoins award for each match):

Puzzle gpgUS: 999999999

GM🧂 Maxim (1789) +1
FEN
[Event " MrCohenOS Arena"] [Site "https://cohenchessclub.com/ueEni7T0"] [Date "2026.02.14"] [White "Maxim"] [Black "Rishi"] [Result "1-0"] [UTCDate "2026.02.14"] [UTCTime "18:46:24"] [WhiteElo "1789"] [BlackElo "1377"] [WhiteRatingDiff "+1"] [BlackRatingDiff "-2"] [WhiteTitle "GM🧂"] [Variant "Standard"] [TimeControl "420+2"] [ECO "C41"] [Opening "Philidor Defense"] [Termination "Normal"] [Annotator "cohenchessclub.com"] 1. e4 e5 2. Nf3 d6 3. Bc4 { C41 Philidor Defense } Nf6 4. Nc3 Be7 5. d3 O-O 6. Be3 Bg4 7. h3 Bd7 { Black offers draw } 8. Qd2 Qe8 9. h4?! { (0.83 → -0.12) Inaccuracy. d4 was best. } (9. d4) 9... Ba4?? { (-0.12 → 1.45) Blunder. b5 was best. } (9... b5 10. Bb3) 10. h5 h6?? { (1.02 → 3.05) Blunder. b5 was best. } (10... b5) 11. Bxh6 gxh6 12. Qxh6 Bxc2?? { (2.87 → 23.71) Blunder. Ng4 was best. } (12... Ng4 13. Qg6+ Kh8 14. Qxg4 Bd7 15. Qg3 b5 16. Bb3 Rg8 17. Qh2 a5 18. a4 c6 19. axb5) 13. Qg5+?? { (23.71 → 3.22) Blunder. Rh3 was best. } (13. Rh3 Ng4 14. Rg3 Qd7 15. Nh2 Qd8 16. Nxg4 Bg5) 13... Kh8 14. h6?? { (3.12 → -1.28) Blunder. Nh4 was best. } (14. Nh4) 14... Kh7?? { (-1.28 → Mate in 1) Checkmate is now unavoidable. Rg8 was best. } (14... Rg8 15. Qf5 c6 16. Ng5 d5 17. exd5 b5 18. Nce4 bxc4 19. Nxf6 Bb4+ 20. Kf1 Bxd3+ 21. Qxd3) 15. Qf5+?? { (Mate in 1 → -0.17) Lost forced checkmate sequence. Qg7# was best. } (15. Qg7#) 15... Kh8 16. Ng5?? { (-0.05 → -2.24) Blunder. g4 was best. } (16. g4 Nh7) 16... Ba4?? { (-2.24 → 2.11) Blunder. Nc6 was best. } (16... Nc6 17. Nb5) 17. Nxf7+?? { (2.11 → -4.73) Blunder. Nxa4 was best. } (17. Nxa4) 17... Rxf7 18. Qg6? { (-4.36 → -8.96) Mistake. Bxf7 was best. } (18. Bxf7 Qxf7 19. Nxa4 Nc6 20. Qh3 Nd4 21. Rc1 Qxa2 22. Nc3 Qxb2 23. O-O Rg8 24. Kh1 Ng4) 18... Rf8?? { (-8.96 → Mate in 1) Checkmate is now unavoidable. Rh7 was best. } (18... Rh7 19. Qg3 Bd7 20. Nd5 Nxd5 21. Bxd5 Nc6 22. Bxc6 Bxc6 23. a3 Bf8 24. f4 Rxh6 25. Rxh6+) 19. Qg7# { White wins by checkmate. } 1-0
Computer analysisMove timesCrosstableFEN & PGN
Reconnecting