Puzzles (3 cohencoins award for each match):
FEN
[Event " MrCohenOS Arena"]
[Site "https://cohenchessclub.com/8zU1yGXE"]
[Date "2026.10.02"]
[White "pAtrIcK5"]
[Black "PJ"]
[Result "0-1"]
[UTCDate "2026.10.02"]
[UTCTime "20:03:28"]
[WhiteElo "1475"]
[BlackElo "1978"]
[WhiteRatingDiff "-1"]
[BlackRatingDiff "+1"]
[WhiteTitle "IM🐔"]
[BlackTitle "GM🐶"]
[Variant "Standard"]
[TimeControl "420+2"]
[ECO "C47"]
[Opening "Four Knights Game: Scotch Variation Accepted"]
[Termination "Normal"]
[Annotator "cohenchessclub.com"]
1. e4 e5 2. Nc3 Nc6 3. Nf3 Nf6 4. d4 exd4 { C47 Four Knights Game: Scotch Variation Accepted } 5. Nxd4 Bc5?! { (0.02 → 0.70) Inaccuracy. Bb4 was best. } (5... Bb4 6. Nxc6 bxc6 7. Bd3 O-O 8. O-O d5 9. exd5 cxd5 10. Qf3 c6 11. h3 Re8 12. Bg5) 6. Nxc6 bxc6 7. Bg5 d6?! { (0.05 → 0.63) Inaccuracy. O-O was best. } (7... O-O 8. Bd3) 8. Bc4?! { (0.63 → 0.08) Inaccuracy. Qd2 was best. } (8. Qd2 h6 9. Be3 Bxe3 10. Qxe3 O-O 11. O-O-O Ng4 12. Qd2 Qg5 13. f4 Qc5 14. Na4 Qe3) 8... h6 9. Bxf6?! { (0.37 → -0.56) Inaccuracy. Bh4 was best. } (9. Bh4 Qe7) 9... Qxf6 10. O-O Be6?! { (-0.47 → 0.48) Inaccuracy. O-O was best. } (10... O-O 11. Qd3) 11. Bxe6?! { (0.48 → -0.09) Inaccuracy. e5 was best. } (11. e5) 11... fxe6 12. a3?! { (0.20 → -0.74) Inaccuracy. e5 was best. } (12. e5) 12... O-O 13. Qd3?? { (-0.73 → -3.77) Blunder. Qe2 was best. } (13. Qe2 Bd4) 13... Rf7?? { (-3.77 → -1.10) Blunder. Bxf2+ was best. } (13... Bxf2+ 14. Kh1) 14. b4?? { (-1.10 → -5.75) Blunder. Kh1 was best. } (14. Kh1 Rb8 15. Nd1 d5 16. f4 g5 17. g3 Rbf8 18. Nc3 Qd4 19. exd5 Qxd3 20. cxd3 cxd5) 14... Bb6?? { (-5.75 → -2.86) Blunder. Bd4 was best. } (14... Bd4 15. Rad1) 15. a4?! { (-2.86 → -3.86) Inaccuracy. Rad1 was best. } (15. Rad1 Bxf2+) 15... Raf8 16. a5? { (-3.66 → -6.52) Mistake. Kh1 was best. } (16. Kh1) 16... Bd4 17. Rad1 Bxc3 18. Qa6 Bd4 19. Qxc6 Qxf2+ 20. Rxf2 Rxf2 21. Kh1? { (-9.17 → Mate in 2) Checkmate is now unavoidable. g3 was best. } (21. g3 Rxc2+ 22. Rxd4 Rxc6 23. b5 Rc1+ 24. Kg2 Rc2+ 25. Kh3 Rb8 26. Rb4 Kf7 27. e5 dxe5) 21... Rf1+ 22. Rxf1 Rxf1# { Black wins by checkmate. } 0-1