Puzzles (3 cohencoins award for each match):
FEN
[Event " MrCohenOS Arena"]
[Site "https://cohenchessclub.com/k4f1PDLU"]
[Date "2026.01.12"]
[White "ReId3"]
[Black "Garyd"]
[Result "0-1"]
[UTCDate "2026.01.12"]
[UTCTime "16:47:54"]
[WhiteElo "1041"]
[BlackElo "1624"]
[WhiteRatingDiff "-1"]
[BlackRatingDiff "+0"]
[BlackTitle "GM🙌"]
[Variant "Standard"]
[TimeControl "420+2"]
[ECO "D04"]
[Opening "Queen's Pawn Game: Colle System, Anti-Colle"]
[Termination "Normal"]
[Annotator "cohenchessclub.com"]
1. d4 d5 2. e3 Nf6 3. Nf3 Bf5 { D04 Queen's Pawn Game: Colle System, Anti-Colle } 4. Bd3 Bg6 5. Bxg6 hxg6 6. Qd3 e6 7. O-O Bd6 8. Nc3?! { (0.25 → -0.51) Inaccuracy. h3 was best. } (8. h3 Nbd7) 8... c6?! { (-0.51 → 0.47) Inaccuracy. g5 was best. } (8... g5 9. h3) 9. e4 Qc7?? { (0.36 → 3.79) Blunder. dxe4 was best. } (9... dxe4 10. Nxe4) 10. exd5?? { (3.79 → -3.84) Blunder. e5 was best. } (10. e5 Be7 11. exf6 gxf6 12. Ne2 g5 13. g3 Nd7 14. h4 gxh4 15. Nxh4 O-O-O 16. Kg2 Rxh4) 10... Bxh2+ 11. Nxh2?? { (-3.59 → Mate in 1) Checkmate is now unavoidable. Kh1 was best. } (11. Kh1 exd5) 11... Qxh2# { Black wins by checkmate. } 0-1