Puzzles (3 cohencoins award for each match):
FEN
[Event " MrCohenOS Arena"]
[Site "https://cohenchessclub.com/oBfYEQ6G"]
[Date "2025.11.14"]
[White "BENJAMIN4"]
[Black "Bohdan"]
[Result "1-0"]
[UTCDate "2025.11.14"]
[UTCTime "21:11:05"]
[WhiteElo "1648"]
[BlackElo "1467"]
[WhiteRatingDiff "+3"]
[BlackRatingDiff "-5"]
[WhiteTitle "🌊"]
[BlackTitle "🐍"]
[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. Nf3 Bf5 5. Bd3?! { (0.96 → 0.37) Inaccuracy. Bb5 was best. } (5. Bb5 Nd7) 5... Bxd3 6. cxd3 e6 7. Nc3 Bd6 8. Bxd6 Qxd6 9. Qb3 Na5 10. Qb5+ Nc6 11. Qxb7 Rb8 12. Qa6 Rxb2 13. Nb5?? { (0.78 → -7.98) Blunder. O-O was best. } (13. O-O) 13... Qb4+ 14. Kd1 Rb1+?? { (-8.08 → 0.13) Blunder. Qxb5 was best. } (14... Qxb5) 15. Rxb1 Qxb1+ 16. Ke2 Qxh1?? { (0.29 → 6.79) Blunder. Qc2+ was best. } (16... Qc2+ 17. Nd2 Qxd3+ 18. Kxd3 Nb4+ 19. Ke2 Nxa6 20. a4 Kd7 21. Nf3 Ra8 22. Ne5+ Ke7 23. Nc6+) 17. Qxc6+ Nd7 18. Nxc7+ Ke7?! { (4.40 → 5.92) Inaccuracy. Ke7 was best. } (18... Ke7 19. Ne5) 19. Ne5 Nxe5?! { (5.71 → 10.47) Inaccuracy. Rd8 was best. } (19... Rd8 20. Nxd5+ exd5 21. Qc7 Qxg2 22. Nc6+ Ke6 23. Nxd8+ Ke7 24. Nc6+ Ke6 25. Qd8 Qg4+ 26. Kd2) 20. dxe5 Qa1?! { (10.59 → Mate in 1) Checkmate is now unavoidable. f6 was best. } (20... f6 21. Qxe6+) 21. Qd6# { White wins by checkmate. } 1-0