Puzzles (3 cohencoins award for each match):
FEN
[Event " MrCohenOS Arena"]
[Site "https://cohenchessclub.com/VcOT9MKc"]
[Date "2025.09.29"]
[White "Mark"]
[Black "EMmI"]
[Result "0-1"]
[UTCDate "2025.09.29"]
[UTCTime "15:07:24"]
[WhiteElo "1426"]
[BlackElo "1595"]
[WhiteRatingDiff "-8"]
[BlackRatingDiff "+8"]
[WhiteTitle "⛳"]
[BlackTitle "GM🐇"]
[Variant "Standard"]
[TimeControl "420+2"]
[ECO "C45"]
[Opening "Scotch Game"]
[Termination "Normal"]
[Annotator "cohenchessclub.com"]
1. e4 e5 2. Nf3 Nc6 3. d4 exd4 4. Nxd4 { C45 Scotch Game } Nxd4?! { (0.09 → 0.99) Inaccuracy. Nf6 was best. } (4... Nf6) 5. Qxd4 d6?! { (0.81 → 1.44) Inaccuracy. Qf6 was best. } (5... Qf6 6. Qe3 Bb4+ 7. c3 Ba5 8. Qg3 d6 9. Bd3 Ne7 10. Bg5 Qg6 11. Nd2 Bb6 12. a4) 6. e5? { (1.44 → 0.12) Mistake. Nc3 was best. } (6. Nc3 Nf6 7. Bf4 Be7 8. O-O-O O-O 9. f3 Be6 10. Kb1 Nd7 11. h4 Bxh4 12. Qd2 Re8) 6... dxe5 7. Qxd8+?! { (0.00 → -0.96) Inaccuracy. Qxe5+ was best. } (7. Qxe5+ Qe7 8. Bf4 Bf5 9. Qxe7+ Bxe7 10. Bxc7 Rc8 11. Be5 Rxc2 12. Bxg7 Rc1+ 13. Kd2 Bg5+) 7... Kxd8 8. b3?! { (-1.00 → -2.07) Inaccuracy. Nc3 was best. } (8. Nc3 Bd6 9. Bd2 Nf6 10. O-O-O Ng4 11. Ne4 Bf5 12. h3 Bxe4 13. hxg4 Bg6 14. Ba5 Ke7) 8... Nf6 9. Bb2 Bd6? { (-1.84 → -0.71) Mistake. Bf5 was best. } (9... Bf5) 10. Nc3?! { (-0.71 → -1.47) Inaccuracy. Nd2 was best. } (10. Nd2) 10... Ke7 11. O-O-O Bf5 12. Nd5+?? { (-1.16 → -3.19) Blunder. Nb5 was best. } (12. Nb5 Rhd8) 12... Nxd5 13. Rxd5 f6 14. Rb5 b6 15. g3? { (-3.62 → -7.83) Mistake. Rd5 was best. } (15. Rd5) 15... Rad8 16. c4 Bc5?! { (-7.36 → -4.86) Inaccuracy. c6 was best. } (16... c6 17. c5 cxb5 18. cxd6+ Rxd6 19. Bxb5 Rc8+ 20. Bc4 Kd8 21. Ba3 Rd7 22. Rd1 Rc7 23. Bd6) 17. Ba3?? { (-4.86 → Mate in 1) Checkmate is now unavoidable. Rxc5 was best. } (17. Rxc5 bxc5) 17... Bxa3# { Black wins by checkmate. } 0-1