Puzzles (3 cohencoins award for each match):
FEN
[Event " MrCohenOS Arena"]
[Site "https://cohenchessclub.com/XkQ94Y0o"]
[Date "2026.08.14"]
[White "BENJAMIN4"]
[Black "MaTtHeW11"]
[Result "1-0"]
[UTCDate "2026.08.14"]
[UTCTime "23:15:08"]
[WhiteElo "1582"]
[BlackElo "1532"]
[WhiteRatingDiff "+15"]
[BlackRatingDiff "-8"]
[WhiteTitle "NM🏝"]
[BlackTitle "GM🤪"]
[Variant "Standard"]
[TimeControl "420+2"]
[ECO "D00"]
[Opening "Queen's Pawn Game: Mason Variation"]
[Termination "Normal"]
[Annotator "cohenchessclub.com"]
1. d4 d5 2. Bf4 { D00 Queen's Pawn Game: Mason Variation } Nf6 3. e3 Nc6 4. Bd3 e6 5. Nf3 Bd6 6. Be5 O-O 7. O-O Nb4 8. c3?! { (0.37 → -0.40) Inaccuracy. Be2 was best. } (8. Be2) 8... Nxd3 9. Qxd3 c5 10. Ng5 cxd4?? { (-0.33 → 10.81) Blunder. g6 was best. } (10... g6 11. Bxd6 Qxd6 12. Nf3 b6 13. Re1 a5 14. Nbd2 Bb7 15. Qc2 Qe7 16. h3 Rac8 17. Rad1) 11. Bxf6 Qxf6?! { (10.81 → Mate in 1) Checkmate is now unavoidable. g6 was best. } (11... g6 12. Bxd8 Rxd8 13. Qxd4 Be7 14. Nf3 f6 15. Nbd2 e5 16. Qa4 b6 17. h3 Rd6 18. Rfe1) 12. Qxh7# { White wins by checkmate. } 1-0