Puzzles (3 cohencoins award for each match):
FEN
[Event " MrCohenOS Arena"]
[Site "https://cohenchessclub.com/EzB56aX7"]
[Date "2026.08.31"]
[White "Matias"]
[Black "Andrew8"]
[Result "0-1"]
[UTCDate "2026.08.31"]
[UTCTime "23:22:38"]
[WhiteElo "1356"]
[BlackElo "1257"]
[WhiteRatingDiff "-85"]
[BlackRatingDiff "+12"]
[BlackTitle "NM"]
[Variant "Standard"]
[TimeControl "420+2"]
[ECO "C40"]
[Opening "King's Pawn Game: Busch-Gass Gambit"]
[Termination "Normal"]
[Annotator "cohenchessclub.com"]
1. e4 e5 2. Nf3 Bc5?? { (0.21 → 1.94) Blunder. Nc6 was best. } { C40 King's Pawn Game: Busch-Gass Gambit } (2... Nc6) 3. d3?? { (1.94 → -0.03) Blunder. Nxe5 was best. } (3. Nxe5 Nc6 4. Nxc6 dxc6 5. d3 f5 6. e5 Qd5 7. f4 Be6 8. c3 Bb6 9. Nd2 Ne7) 3... Nf6? { (-0.03 → 1.49) Mistake. d6 was best. } (3... d6 4. Nc3 a6 5. Be2 Nf6 6. Be3 Bxe3 7. fxe3 b5 8. Nd5 Nxd5 9. exd5 c5 10. dxc6) 4. Nc3?? { (1.49 → -0.21) Blunder. Nxe5 was best. } (4. Nxe5 O-O) 4... Ng4 5. h3?? { (-0.09 → -7.27) Blunder. d4 was best. } (5. d4 exd4) 5... Nxf2 6. Qe2 Nxh1 7. g4 Bf2+ 8. Kd1 O-O 9. Nd5 Nc6 10. Bg2 Nd4 11. Qd2 Ng3?? { (-7.80 → -2.42) Blunder. Nxf3 was best. } (11... Nxf3 12. Bxf3 d6 13. Bxh1 Qh4 14. Bf3 Qg3 15. Qe2 Qg1+ 16. Kd2 c6 17. Ne7+ Kh8 18. c3) 12. Nxe5?? { (-2.42 → -7.85) Blunder. Qxf2 was best. } (12. Qxf2 Nge2 13. Nxe5 d6 14. Nc4 c6 15. Nf4 d5 16. exd5 cxd5 17. Ne3 Nxf4 18. Qxf4 Ne6) 12... c6? { (-7.85 → -3.87) Mistake. Nde2 was best. } (12... Nde2 13. Nf4) 13. Qxf2 cxd5 14. Qxd4 dxe4?? { (-4.30 → -2.05) Blunder. d6 was best. } (14... d6 15. Nf3) 15. dxe4?! { (-2.05 → -3.11) Inaccuracy. Bf4 was best. } (15. Bf4 d5 16. Bxg3 f6 17. dxe4 dxe4 18. Qxd8 Rxd8+ 19. Ke2 Be6 20. Ke3 Rac8 21. Bxe4 fxe5) 15... b6?? { (-3.11 → 3.21) Blunder. Qf6 was best. } (15... Qf6) 16. Bf4 Ba6?! { (3.25 → 4.11) Inaccuracy. d6 was best. } (16... d6 17. Nd3) 17. Kc1?? { (4.11 → -12.53) Blunder. Bxg3 was best. } (17. Bxg3) 17... Ne2+ 18. Kd1 Nxd4 19. Be3 Be2+ 20. Kd2 Nb5 21. Kxe2 Qc8 22. Rf1 Qxc2+ 23. Kf3 Rfe8 24. Nxd7 Qxe4+ 25. Kf2?! { (-15.23 → Mate in 1) Checkmate is now unavoidable. Kg3 was best. } (25. Kg3 Qxe3+) 25... Qxe3# { Black wins by checkmate. } 0-1