Puzzles (3 cohencoins award for each match):
FEN
[Event " MrCohenOS Arena"]
[Site "https://cohenchessclub.com/bnC8T0zd"]
[Date "2025.11.10"]
[White "Walker"]
[Black "Mark"]
[Result "0-1"]
[UTCDate "2025.11.10"]
[UTCTime "16:08:08"]
[WhiteElo "1534"]
[BlackElo "1487"]
[WhiteRatingDiff "-6"]
[BlackRatingDiff "+12"]
[WhiteTitle "⚡"]
[BlackTitle "⛳"]
[Variant "Standard"]
[TimeControl "420+2"]
[ECO "B10"]
[Opening "Caro-Kann Defense"]
[Termination "Normal"]
[Annotator "cohenchessclub.com"]
1. e4 c6 { B10 Caro-Kann Defense } 2. Nf3 d5 3. exd5 cxd5 4. Bb5+ Bd7 5. Bxd7+ Qxd7 6. O-O Nc6 7. d4 Nf6 8. Nc3 e6 9. a3 Bd6 10. Bg5 e5?? { (-0.68 → 7.27) Blunder. Ne4 was best. } (10... Ne4 11. Qd3) 11. dxe5 Nxe5 12. Nxe5 Bxe5 13. Qe2? { (6.65 → 3.68) Mistake. Re1 was best. } (13. Re1 Qe6) 13... O-O?? { (3.68 → 8.51) Blunder. Qe6 was best. } (13... Qe6) 14. Qxe5 Ng4 15. Qxd5 Qc7 16. Qf5?? { (8.23 → Mate in 1) Checkmate is now unavoidable. g3 was best. } (16. g3 Qb6 17. Qf5 Qe6 18. Qxe6 fxe6 19. Rae1 Rac8 20. Bc1 Rxc3 21. bxc3 Rc8 22. Rxe6 Rxc3) 16... Qxh2# { Black wins by checkmate. } 0-1