Puzzles (3 cohencoins award for each match):
FEN
[Event " MrCohenOS Arena"]
[Site "https://cohenchessclub.com/g9OOwauA"]
[Date "2025.12.31"]
[White "Ayaan"]
[Black "Talal"]
[Result "1-0"]
[UTCDate "2025.12.31"]
[UTCTime "21:29:07"]
[WhiteElo "1317"]
[BlackElo "1155"]
[WhiteRatingDiff "+7"]
[BlackRatingDiff "-64"]
[Variant "Standard"]
[TimeControl "420+2"]
[ECO "B15"]
[Opening "Caro-Kann Defense: Tartakower Variation"]
[Termination "Normal"]
[Annotator "cohenchessclub.com"]
1. e4 c6 2. d4 d5 3. Nc3 dxe4 4. Nxe4 Nf6 5. Nxf6+ exf6 { B15 Caro-Kann Defense: Tartakower Variation } 6. Nf3 Nd7 7. d5?! { (0.68 → -0.19) Inaccuracy. Bd3 was best. } (7. Bd3 Bd6) 7... Bb4+? { (-0.19 → 0.92) Mistake. Qa5+ was best. } (7... Qa5+ 8. c3 Qxd5 9. Qxd5 cxd5 10. Be3 Bc5 11. Nd4 O-O 12. O-O-O Nb6 13. Nc2 Bxe3+ 14. Nxe3) 8. Bd2? { (0.92 → -0.49) Mistake. c3 was best. } (8. c3 Qe7+ 9. Qe2 Bc5 10. dxc6 bxc6 11. Bf4 Qxe2+ 12. Bxe2 O-O 13. b4 Bb6 14. O-O Re8) 8... c5?? { (-0.49 → 2.31) Blunder. Qe7+ was best. } (8... Qe7+) 9. Bxb4?! { (2.31 → 1.46) Inaccuracy. Qe2+ was best. } (9. Qe2+ Qe7) 9... cxb4 10. d6? { (1.33 → 0.08) Mistake. Qe2+ was best. } (10. Qe2+ Qe7) 10... Qb6?? { (0.08 → 7.08) Blunder. O-O was best. } (10... O-O 11. Be2 Qb6 12. Qd4 Nc5 13. Nd2 Be6 14. O-O-O Rfc8 15. Kb1 Rc6 16. Nc4 Bxc4 17. Bxc4) 11. Qe2+ Kd8? { (7.37 → Mate in 1) Checkmate is now unavoidable. Ne5 was best. } (11... Ne5 12. Nxe5) 12. Qe7# { White wins by checkmate. } 1-0