Puzzles (3 cohencoins award for each match):
FEN
[Event " MrCohenOS Arena"]
[Site "https://cohenchessclub.com/3EniWH4b"]
[Date "2026.08.02"]
[White "Matthew12"]
[Black "Aaron9"]
[Result "1-0"]
[UTCDate "2026.08.02"]
[UTCTime "17:27:19"]
[WhiteElo "1441"]
[BlackElo "1212"]
[WhiteRatingDiff "+6"]
[BlackRatingDiff "-8"]
[WhiteTitle "⍩"]
[Variant "Standard"]
[TimeControl "420+2"]
[ECO "C50"]
[Opening "Italian Game: Giuoco Pianissimo, Normal"]
[Termination "Normal"]
[Annotator "cohenchessclub.com"]
1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. d3 Nf6 { C50 Italian Game: Giuoco Pianissimo, Normal } 5. Bg5 h6 6. Be3 d6?? { (0.08 → 1.77) Blunder. Bb6 was best. } (6... Bb6 7. O-O) 7. O-O?? { (1.77 → -0.32) Blunder. Bxc5 was best. } (7. Bxc5 dxc5 8. Bb5 Nd7 9. Bxc6 bxc6 10. Nbd2 Qe7 11. Nc4 Ba6 12. Nfd2 Bxc4 13. Nxc4 Nb6) 7... a6 8. Bxc5 dxc5 9. Nc3 b6 10. b3?? { (0.09 → -1.82) Blunder. Nd5 was best. } (10. Nd5 O-O) 10... b5?? { (-1.82 → 0.12) Blunder. Bg4 was best. } (10... Bg4 11. a4) 11. Bd5 Nxd5 12. exd5 Nd4 13. Nxd4?? { (0.16 → -1.62) Blunder. Nxe5 was best. } (13. Nxe5 O-O 14. Nc6 Qd7 15. Re1 Nxc6 16. dxc6 Qxc6 17. Qe2 Bb7 18. Qe4 Qf6 19. Qxb7 Qxc3) 13... exd4?? { (-1.62 → 0.69) Blunder. cxd4 was best. } (13... cxd4 14. Ne4 O-O 15. f4 f5 16. Ng3 Qxd5 17. fxe5 Bb7 18. Qf3 Qxf3 19. gxf3 f4 20. Ne2) 14. Nb1?? { (0.69 → -1.80) Blunder. Re1+ was best. } (14. Re1+ Kf8) 14... Qg5?? { (-1.80 → 0.56) Blunder. O-O was best. } (14... O-O) 15. Qf3?? { (0.56 → -1.23) Blunder. Re1+ was best. } (15. Re1+ Kd8) 15... Bg4? { (-1.23 → 0.00) Mistake. O-O was best. } (15... O-O) 16. Qe4+ Kf8? { (-0.06 → 1.36) Mistake. Kd7 was best. } (16... Kd7 17. h4 Qh5 18. Nd2 Rae8 19. Qf4 Be2 20. Rfe1 Qxd5 21. Ne4 Bh5 22. c4 dxc3 23. Nxc3) 17. h3?? { (1.36 → -1.29) Blunder. f4 was best. } (17. f4 Qe7) 17... Bxh3 18. Re1? { (-1.15 → -2.70) Mistake. f4 was best. } (18. f4 Qg3 19. Nd2 Re8 20. Qf3 Qxf3 21. Nxf3 Bc8 22. b4 cxb4 23. a4 bxa3 24. Nxd4 Ke7) 18... Re8?? { (-2.70 → Mate in 1) Checkmate is now unavoidable. Bd7 was best. } (18... Bd7 19. Qf3) 19. Qxe8# { White wins by checkmate. } 1-0