Puzzles (3 cohencoins award for each match):
FEN
[Event " MrCohenOS Arena"]
[Site "https://cohenchessclub.com/XPlwvKAY"]
[Date "2026.05.19"]
[White "Noah13"]
[Black "David3"]
[Result "1-0"]
[UTCDate "2026.05.19"]
[UTCTime "20:24:06"]
[WhiteElo "1543"]
[BlackElo "1475"]
[WhiteRatingDiff "+17"]
[BlackRatingDiff "-7"]
[WhiteTitle "IM"]
[BlackTitle "IMš±"]
[Variant "Standard"]
[TimeControl "420+2"]
[ECO "B12"]
[Opening "Caro-Kann Defense: Advance Variation, Short Variation"]
[Termination "Normal"]
[Annotator "cohenchessclub.com"]
1. e4 c6 2. d4 d5 3. e5 Bf5 4. Nf3 { B12 Caro-Kann Defense: Advance Variation, Short Variation } e6 5. Be2 Ne7 6. Nc3 Nd7 7. Qd2? { (0.30 ā -0.76) Mistake. O-O was best. } (7. O-O a6) 7... c5 8. Nb5 cxd4?? { (-0.58 ā Mate in 1) Checkmate is now unavoidable. Nc6 was best. } (8... Nc6 9. O-O) 9. Qxd4?? { (Mate in 1 ā -1.52) Lost forced checkmate sequence. Nd6# was best. } (9. Nd6#) 9... g6?? { (-1.52 ā Mate in 1) Checkmate is now unavoidable. Nc6 was best. } (9... Nc6 10. Qa4 Be4 11. O-O Bxf3 12. Bxf3 a6 13. Nd6+ Bxd6 14. exd6 Nde5 15. Be2 Qxd6 16. c3) 10. Nd6# { White wins by checkmate. } 1-0