Puzzles (3 cohencoins award for each match):
FEN
[Event " MrCohenOS Arena"]
[Site "https://cohenchessclub.com/oiOSuROh"]
[Date "2026.03.08"]
[White "Gideon"]
[Black "Sydney"]
[Result "1-0"]
[UTCDate "2026.03.08"]
[UTCTime "17:50:55"]
[WhiteElo "1288"]
[BlackElo "722"]
[WhiteRatingDiff "+1"]
[BlackRatingDiff "-15"]
[Variant "Standard"]
[TimeControl "420+2"]
[ECO "B00"]
[Opening "Nimzowitsch Defense: Williams Variation"]
[Termination "Normal"]
[Annotator "cohenchessclub.com"]
1. e4 Nc6 2. Nf3 d6 { B00 Nimzowitsch Defense: Williams Variation } 3. d4 Be6?? { (0.75 → 8.06) Blunder. Nf6 was best. } (3... Nf6) 4. d5 Bxd5 5. exd5 Na5 6. Nc3 Qd7 7. Bb5 O-O-O 8. Bxd7+ Kxd7 9. O-O Kc8 10. Nb5 Nf6 11. Qd3 a6 12. Na7+ Kb8 13. Nc6+ bxc6 14. dxc6 Nxc6 15. Qb3+ Ka7 16. Be3+ Ka8 17. Nd4 Na5 18. Qa4 Nc6?! { (11.82 → Mate in 3) Checkmate is now unavoidable. Rb8 was best. } (18... Rb8 19. Nc6) 19. Nxc6?! { (Mate in 3 → 20.78) Lost forced checkmate sequence. Qxa6+ was best. } (19. Qxa6+ Na7 20. Nc6 Ne4 21. Qxa7#) 19... Rc8?! { (20.78 → Mate in 1) Checkmate is now unavoidable. Kb7 was best. } (19... Kb7 20. Nxd8+ Kc8 21. Nxf7 Rg8 22. Qxa6+ Kd7 23. Qb5+ Kc8 24. Qc6 g5 25. Bb6 Nd5 26. Ba5) 20. Qxa6# { White wins by checkmate. } 1-0