Puzzles (3 cohencoins award for each match):
FEN
[Event " MrCohenOS Arena"]
[Site "https://cohenchessclub.com/J5O5U4aP"]
[Date "2025.11.21"]
[White "Summer"]
[Black "RoWaN"]
[Result "0-1"]
[UTCDate "2025.11.21"]
[UTCTime "21:27:07"]
[WhiteElo "1339"]
[BlackElo "1760"]
[WhiteRatingDiff "-2"]
[BlackRatingDiff "+1"]
[WhiteTitle "🥟"]
[BlackTitle "NM🎼"]
[Variant "Standard"]
[TimeControl "420+2"]
[ECO "B10"]
[Opening "Caro-Kann Defense: Hillbilly Attack"]
[Termination "Normal"]
[Annotator "cohenchessclub.com"]
1. e4 c6 2. Bc4? { (0.55 → -0.49) Mistake. c4 was best. } { B10 Caro-Kann Defense: Hillbilly Attack } (2. c4 d5 3. cxd5 cxd5 4. exd5 Nf6 5. Bb5+ Nbd7 6. Nc3 g6 7. d4 Bg7 8. d6 exd6) 2... d5 3. exd5 cxd5 4. Bb3 Nf6 5. Nf3 Nc6 6. Na3?! { (-0.78 → -1.43) Inaccuracy. h3 was best. } (6. h3 e5) 6... e5 7. O-O?! { (-1.28 → -2.05) Inaccuracy. d3 was best. } (7. d3 h6 8. O-O Bd6 9. c4 d4 10. Re1 O-O 11. c5 Bc7 12. Ba4 Bg4 13. h3 Bh5) 7... Bxa3?! { (-2.05 → -1.19) Inaccuracy. e4 was best. } (7... e4 8. Ne1) 8. bxa3 O-O 9. Re1?? { (-0.83 → -6.39) Blunder. h3 was best. } (9. h3 Qd6) 9... Re8?? { (-6.39 → -0.72) Blunder. e4 was best. } (9... e4) 10. c4? { (-0.72 → -2.27) Mistake. h3 was best. } (10. h3 Qd6) 10... d4 11. c5 b5? { (-2.46 → -1.09) Mistake. h6 was best. } (11... h6 12. d3) 12. Ng5 Nd5?? { (-1.01 → 5.25) Blunder. Re7 was best. } (12... Re7) 13. Qf3?? { (5.25 → 0.86) Blunder. Qh5 was best. } (13. Qh5 Be6) 13... Be6 14. Nxe6 fxe6 15. Bc2 Rf8?? { (0.51 → 2.35) Blunder. Rb8 was best. } (15... Rb8 16. Rb1 Qh4 17. g3 Qf6 18. Qe4 g6 19. Bb3 Qf5 20. Bxd5 exd5 21. Qxd5+ Re6 22. d3) 16. Qh3 h6?? { (2.12 → 7.08) Blunder. Qf6 was best. } (16... Qf6 17. Bxh7+) 17. Qxe6+ Kh8 18. Bg6?? { (7.11 → -0.98) Blunder. Qxc6 was best. } (18. Qxc6) 18... Nf4 19. Qxc6 Qg5?? { (-1.07 → 1.55) Blunder. Rf6 was best. } (19... Rf6) 20. Be4?? { (1.55 → 0.00) Blunder. h4 was best. } (20. h4 Qxg6) 20... Rac8 21. Qd6?? { (0.00 → -7.88) Blunder. Qd7 was best. } (21. Qd7 Rcd8 22. Qxb5 Nh3+ 23. Kh1 Nxf2+ 24. Kg1 d3 25. Qc6 Rf6 26. Qb7 Rdf8 27. Bb2 Nh3+) 21... Nh3+ 22. Kf1? { (-7.28 → Mate in 1) Checkmate is now unavoidable. Kh1 was best. } (22. Kh1 Nxf2+) 22... Rxf2# { Black wins by checkmate. } 0-1