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Puzzles (3 cohencoins award for each match):

FEN
[Event " MrCohenOS Arena"] [Site "https://cohenchessclub.com/zt5sflaP"] [Date "2026.02.13"] [White "Kristofer"] [Black "Ethan9"] [Result "1-0"] [UTCDate "2026.02.13"] [UTCTime "21:10:21"] [WhiteElo "1687"] [BlackElo "1317"] [WhiteRatingDiff "+3"] [BlackRatingDiff "-4"] [WhiteTitle "GM😈"] [Variant "Standard"] [TimeControl "420+2"] [ECO "A48"] [Opening "Torre Attack"] [Termination "Normal"] [Annotator "cohenchessclub.com"] 1. d4 g6 2. Nf3 Nf6 3. Bg5?! { (0.59 → 0.04) Inaccuracy. c4 was best. } { A48 Torre Attack } (3. c4) 3... Bg7 4. Bxf6 Bxf6 5. e3 O-O 6. c3 Nc6 7. Bd3?! { (-0.13 → -0.65) Inaccuracy. Bb5 was best. } (7. Bb5 Bg7 8. Nbd2 d6 9. Qc2 a6 10. Bxc6 bxc6 11. O-O a5 12. Rfe1 c5 13. dxc5 a4) 7... e6?! { (-0.65 → 0.00) Inaccuracy. d6 was best. } (7... d6) 8. Nbd2 d6 9. h4 e5 10. dxe5?! { (0.43 → -0.42) Inaccuracy. h5 was best. } (10. h5 d5) 10... dxe5 11. Ne4 Bf5? { (-0.08 → 1.24) Mistake. Be7 was best. } (11... Be7 12. Qc2 f5 13. O-O-O Qe8 14. Bc4+ Kg7 15. Neg5 e4 16. Nd4 Nxd4 17. cxd4 h6 18. Ne6+) 12. Qc2 Be6?! { (0.89 → 1.47) Inaccuracy. h5 was best. } (12... h5 13. O-O-O Bg7 14. Nfg5 Bh6 15. Qb3 Rb8 16. Nc5 Bg4 17. f3 Bc8 18. Nce4 Qe7 19. g4) 13. Nfg5 Bxg5? { (0.99 → 2.68) Mistake. Bf5 was best. } (13... Bf5 14. Nf3 Be7 15. O-O-O Qd5 16. Kb1 Qe6 17. Nfg5 Bxg5 18. hxg5 Bxe4 19. Bxe4 Rad8 20. Qa4) 14. hxg5 Bf5?? { (2.23 → 8.61) Blunder. h5 was best. } (14... h5 15. f3 Kg7 16. O-O-O Qe7 17. g4 Rh8 18. gxh5 Rxh5 19. Rxh5 gxh5 20. Nf6 Rh8 21. Qf2) 15. Nf6+ Kg7? { (8.47 → Mate in 1) Checkmate is now unavoidable. Qxf6 was best. } (15... Qxf6 16. gxf6) 16. Rxh7# { White wins by checkmate. } 1-0
Computer analysisMove timesCrosstableFEN & PGN
Reconnecting