Puzzles (3 cohencoins award for each match):
FEN
[Event " MrCohenOS Arena"]
[Site "https://cohenchessclub.com/jVESW5QM"]
[Date "2026.02.16"]
[White "Garyd"]
[Black "KiRiLL"]
[Result "1-0"]
[UTCDate "2026.02.16"]
[UTCTime "16:31:30"]
[WhiteElo "1680"]
[BlackElo "1407"]
[WhiteRatingDiff "+2"]
[BlackRatingDiff "-3"]
[WhiteTitle "GM🙌"]
[BlackTitle "GM"]
[Variant "Standard"]
[TimeControl "420+2"]
[ECO "D02"]
[Opening "Queen's Pawn Game: Chigorin Variation"]
[Termination "Normal"]
[Annotator "cohenchessclub.com"]
1. d4 d5 2. Nf3 Nc6 { D02 Queen's Pawn Game: Chigorin Variation } 3. Bf4 Nf6 4. e3 Bf5 5. Bd3?! { (0.96 → 0.34) Inaccuracy. Bb5 was best. } (5. Bb5 Nd7 6. c4 dxc4 7. O-O Bd3 8. Re1 a6 9. Bxc6 bxc6 10. Nbd2 e6 11. Rc1 Bb4) 5... Bxd3 6. Qxd3 e6 7. c3 Bd6 8. Bg3 Bxg3 9. hxg3 O-O 10. Ne5 Nxe5? { (0.01 → 1.45) Mistake. h6 was best. } (10... h6 11. Nd2 a5 12. Nxc6 bxc6 13. O-O Qe7 14. e4 c5 15. exd5 exd5 16. Rae1 Qd6 17. dxc5) 11. dxe5 Ne4 12. f3 Nxg3?? { (1.38 → Mate in 1) Checkmate is now unavoidable. f5 was best. } (12... f5 13. fxe4) 13. Qxh7# { White wins by checkmate. } 1-0