Puzzles (3 cohencoins award for each match):
FEN
[Event " MrCohenOS Arena"]
[Site "https://cohenchessclub.com/2pj6l9Og"]
[Date "2025.12.26"]
[White "Summer"]
[Black "RoWaN"]
[Result "1-0"]
[UTCDate "2025.12.26"]
[UTCTime "21:34:57"]
[WhiteElo "1349"]
[BlackElo "1697"]
[WhiteRatingDiff "+23"]
[BlackRatingDiff "-19"]
[WhiteTitle "🥟"]
[BlackTitle "NM🎼"]
[Variant "Standard"]
[TimeControl "420+2"]
[ECO "C25"]
[Opening "Vienna Game: Max Lange Defense"]
[Termination "Normal"]
[Annotator "cohenchessclub.com"]
1. e4 Nc6 2. Nc3?! { (0.81 → 0.26) Inaccuracy. d4 was best. } (2. d4) 2... e5 { C25 Vienna Game: Max Lange Defense } 3. d3 Nf6 4. Nf3 d5 5. exd5 Nxd5 6. Nxd5 Qxd5 7. c4?! { (-0.94 → -1.65) Inaccuracy. Be2 was best. } (7. Be2 Bf5) 7... Bb4+ 8. Bd2 Bxd2+ 9. Qxd2 Qe6?! { (-1.64 → -0.97) Inaccuracy. Qd6 was best. } (9... Qd6 10. Be2 Bg4 11. h3 Bh5 12. O-O O-O-O 13. Qg5 Qg6 14. Rae1 Rhe8 15. Qh4 Bxf3 16. Bxf3) 10. Qg5 O-O 11. O-O-O e4?? { (-1.74 → 0.46) Blunder. Qd6 was best. } (11... Qd6 12. d4 exd4 13. Bd3 Be6 14. a3 Rfd8 15. Rhe1 h6 16. Qg3 a5 17. Qxd6 Rxd6 18. Ne5) 12. Nh4?? { (0.46 → -2.68) Blunder. dxe4 was best. } (12. dxe4) 12... exd3? { (-2.68 → -1.43) Mistake. Nb4 was best. } (12... Nb4 13. Kb1 h6 14. Qd2 Nxd3 15. Bxd3 Rd8 16. Rhe1 Rxd3 17. Qxd3 exd3 18. Rxe6 Bxe6 19. b3) 13. Rd2?? { (-1.43 → -8.77) Blunder. Qf4 was best. } (13. Qf4 Nb4) 13... Rd8?? { (-8.77 → -2.16) Blunder. Qxc4+ was best. } (13... Qxc4+ 14. Kb1) 14. Bxd3 Nb4?? { (-1.58 → Mate in 2) Checkmate is now unavoidable. Rxd3 was best. } (14... Rxd3) 15. Bb1?? { (Mate in 2 → -7.82) Lost forced checkmate sequence. Qxd8+ was best. } (15. Qxd8+ Qe8 16. Qxe8#) 15... Qxc4+ 16. Rc2 Nd3+ 17. Kd2 Nxf2+?? { (-10.70 → Mate in 1) Checkmate is now unavoidable. Qb4+ was best. } (17... Qb4+ 18. Kd1 Nxb2+ 19. Ke2 f6 20. a3 Re8+ 21. Qe3 Qb5+ 22. Kd2 Rxe3 23. fxe3 Be6 24. Rxc7) 18. Qxd8# { White wins by checkmate. } 1-0