Puzzles (3 cohencoins award for each match):
FEN
[Event " MrCohenOS Arena"]
[Site "https://cohenchessclub.com/V3Z4eSSi"]
[Date "2026.04.29"]
[White "PJ"]
[Black "Maria"]
[Result "1-0"]
[UTCDate "2026.04.29"]
[UTCTime "20:11:18"]
[WhiteElo "1992"]
[BlackElo "1187"]
[WhiteRatingDiff "+0"]
[BlackRatingDiff "+0"]
[WhiteTitle "GM"]
[BlackTitle "❦"]
[Variant "Standard"]
[TimeControl "420+2"]
[ECO "B02"]
[Opening "Alekhine Defense: Mokele Mbembe, Vavra Defense"]
[Termination "Normal"]
[Annotator "cohenchessclub.com"]
1. e4 e6 2. d4 Nf6?! { (0.54 → 1.51) Inaccuracy. d5 was best. } (2... d5 3. Nc3) 3. e5 Ne4?! { (1.46 → 2.10) Inaccuracy. Nd5 was best. } { B02 Alekhine Defense: Mokele Mbembe, Vavra Defense } (3... Nd5 4. Nf3) 4. f3?? { (2.10 → -0.52) Blunder. Nh3 was best. } (4. Nh3 h6) 4... Nf6?? { (-0.52 → 6.67) Blunder. Qh4+ was best. } (4... Qh4+) 5. exf6 Qxf6 6. Nc3 e5 7. dxe5 Qxe5+ 8. Be2 Bb4 9. Nh3 Bxc3+ 10. bxc3 Qxc3+ 11. Bd2 Qb2 12. O-O Nc6 13. Re1 Nd4 14. Bc4+ Ne6 15. Bg5 f6 16. Bxe6?! { (8.97 → 5.91) Inaccuracy. Be3 was best. } (16. Be3 Qc3) 16... dxe6 17. Rb1? { (5.73 → 2.99) Mistake. Be3 was best. } (17. Be3) 17... Qc3?! { (2.99 → 4.58) Inaccuracy. Qxa2 was best. } (17... Qxa2) 18. Rxb7?? { (4.58 → -1.38) Blunder. Bc1 was best. } (18. Bc1 Qc4) 18... Bxb7 19. Rxe6+ Kf7?? { (-1.46 → 8.48) Blunder. Kf8 was best. } (19... Kf8 20. Bxf6) 20. Qd7+ Kg6? { (8.23 → Mate in 4) Checkmate is now unavoidable. Kf8 was best. } (20... Kf8 21. Rxf6+ Qxf6 22. Bxf6 gxf6 23. Qe6 Rg8 24. Qxf6+ Ke8 25. Ng5 Rxg5 26. Qxg5 Bxf3 27. Qg8+) 21. Nf4+ Kxg5 22. Qxg7+ Kxf4 23. Qg4# { White wins by checkmate. } 1-0