Puzzles (3 cohencoins award for each match):
FEN
[Event " MrCohenOS Arena"]
[Site "https://cohenchessclub.com/xCuc5v4J"]
[Date "2025.08.26"]
[White "Edward3"]
[Black "xavi"]
[Result "0-1"]
[UTCDate "2025.08.26"]
[UTCTime "14:06:46"]
[WhiteElo "1344"]
[BlackElo "1730"]
[WhiteRatingDiff "-4"]
[BlackRatingDiff "+1"]
[WhiteTitle "GM"]
[BlackTitle "GM🥉"]
[Variant "Standard"]
[TimeControl "420+2"]
[ECO "C67"]
[Opening "Ruy Lopez: Berlin Defense, Rio Gambit Accepted"]
[Termination "Normal"]
[Annotator "cohenchessclub.com"]
1. e4 e5 2. Nf3 Nc6 3. Bb5 Nf6 4. O-O Nxe4 { C67 Ruy Lopez: Berlin Defense, Rio Gambit Accepted } 5. Re1 Nf6 6. Nxe5 Nxe5?? { (0.88 → 3.02) Blunder. Be7 was best. } (6... Be7 7. d4 O-O 8. Ba4 Na5 9. Nd2 d6 10. Nef3 d5 11. c3 Bg4 12. b4 Nc6 13. Qc2) 7. Rxe5+?? { (3.02 → 0.00) Blunder. d4 was best. } (7. d4) 7... Be7 8. d4 c6 9. Bc4?! { (0.17 → -0.44) Inaccuracy. Bd3 was best. } (9. Bd3 d6 10. Re3 O-O 11. h3 d5 12. Nd2 Bd6 13. c3 Re8 14. Rxe8+ Qxe8 15. Nf1 Bd7) 9... d5 10. Bd3 O-O 11. Qe1?! { (-0.28 → -1.27) Inaccuracy. h3 was best. } (11. h3) 11... Bd6 12. Re2 Qc7?! { (-1.35 → -0.58) Inaccuracy. Nh5 was best. } (12... Nh5 13. c3) 13. g3?? { (-0.58 → -2.40) Blunder. h3 was best. } (13. h3 Bd7 14. Bg5 Nh5 15. Nd2 Rae8 16. Nf3 Rxe2 17. Qxe2 Re8 18. Be3 Nf4 19. Qf1 Nxd3) 13... Bg4 14. Re3 Rfe8 15. Rxe8+ Rxe8 16. Qd2? { (-2.40 → -4.70) Mistake. Be3 was best. } (16. Be3 h5 17. Nd2 h4 18. c3 Qd7 19. Nf1 Ne4 20. Be2 Qf5 21. Bxg4 Qxg4 22. Qd1 Qf5) 16... Re2?? { (-4.70 → 7.10) Blunder. h5 was best. } (16... h5) 17. Qc3?? { (7.10 → -5.36) Blunder. Bxe2 was best. } (17. Bxe2 Bh3) 17... Re8?? { (-5.36 → -2.44) Blunder. Ne4 was best. } (17... Ne4) 18. Nd2?? { (-2.44 → -5.24) Blunder. Bg5 was best. } (18. Bg5 Ne4) 18... Re1+ 19. Nf1 Bh3?? { (-5.33 → 7.46) Blunder. Qe7 was best. } (19... Qe7) 20. Qxe1 Kf8 21. Bg5 Nd7 22. Qd1 h6 23. Bf4 Bxf4 24. gxf4 Qxf4 25. Qd2 Qg4+ 26. Ng3 Qf3 27. Bf1 Bxf1 28. Rxf1 Nf6 29. Qd1 Qf4 30. Ne2 Qg5+ 31. Ng3 b5 32. Kh1 Qh4 33. h3?? { (7.46 → -7.53) Blunder. Qd2 was best. } (33. Qd2 Kg8 34. f3 Nh5 35. Nxh5 Qxh5 36. Qf2 b4 37. Rg1 g6 38. Re1 a5 39. Qe3 Kh7) 33... Qxh3+ 34. Kg1 Ng4 35. Re1? { (-7.80 → Mate in 2) Checkmate is now unavoidable. Qxg4 was best. } (35. Qxg4) 35... Qh2+ 36. Kf1 Qxf2# { Black wins by checkmate. } 0-1