Puzzles (3 cohencoins award for each match):
FEN
[Event " MrCohenOS Arena"]
[Site "https://cohenchessclub.com/PWQfoWVW"]
[Date "2026.02.18"]
[White "Barrett"]
[Black "Alexander9"]
[Result "1-0"]
[UTCDate "2026.02.18"]
[UTCTime "21:43:51"]
[WhiteElo "1491"]
[BlackElo "959"]
[WhiteRatingDiff "+13"]
[BlackRatingDiff "-2"]
[Variant "Standard"]
[TimeControl "420+2"]
[ECO "B02"]
[Opening "Alekhine Defense: Krejcik Variation"]
[Termination "Normal"]
[Annotator "cohenchessclub.com"]
1. e4 Nf6?! { (0.33 → 0.91) Inaccuracy. c5 was best. } (1... c5 2. Nf3 d6 3. Nc3 e5 4. Bc4 Be7 5. d3 Nc6 6. O-O h6 7. Nd5 Nf6 8. Nxf6+) 2. Bc4?? { (0.91 → -1.52) Blunder. e5 was best. } { B02 Alekhine Defense: Krejcik Variation } (2. e5 Nd5) 2... Nxe4 3. Qf3? { (-1.17 → -2.79) Mistake. Bxf7+ was best. } (3. Bxf7+ Kxf7) 3... Nf6 4. d4 Nc6 5. Bg5? { (-2.04 → -3.96) Mistake. Ne2 was best. } (5. Ne2 d5 6. Bb5 Bd7 7. Bxc6 Bxc6 8. Bf4 Qd7 9. Nd2 O-O-O 10. Qe3 Nh5 11. h3 Nxf4) 5... Nxd4 6. Bxf6?? { (-3.92 → -10.38) Blunder. Qd1 was best. } (6. Qd1 Nc6) 6... Nxf3+ 7. gxf3 exf6 8. Nh3 Qe7+ 9. Be2 Qb4+ 10. c3 Qxb2 11. Bb5 Qxb5 12. Na3 Qb2 13. O-O Qxa3 14. Rae1+ Kd8 15. Re2 Qxc3 16. Rfe1 a5?? { (-19.30 → Mate in 1) Checkmate is now unavoidable. Bb4 was best. } (16... Bb4 17. Kf1 Qxf3 18. Ng1 Qh1 19. Re4 Bxe1 20. Rxe1 b6 21. h4 Ba6+ 22. Re2 h5 23. f3) 17. Re8# { White wins by checkmate. } 1-0