Puzzles (3 cohencoins award for each match):
FEN
[Event " MrCohenOS Arena"]
[Site "https://cohenchessclub.com/QGOoHiTq"]
[Date "2026.08.14"]
[White "Kristofer"]
[Black "PJ"]
[Result "1-0"]
[UTCDate "2026.08.14"]
[UTCTime "20:03:31"]
[WhiteElo "1801"]
[BlackElo "1960"]
[WhiteRatingDiff "+17"]
[BlackRatingDiff "-9"]
[WhiteTitle "😈"]
[BlackTitle "GM🐶"]
[Variant "Standard"]
[TimeControl "420+2"]
[ECO "C61"]
[Opening "Ruy Lopez: Bird Variation"]
[Termination "Normal"]
[Annotator "cohenchessclub.com"]
1. e4 e5 2. Nf3 Nc6 3. Bb5 Nd4 { C61 Ruy Lopez: Bird Variation } 4. Nxd4 exd4 5. d3 Bc5 6. Bf4 c6 7. Ba4 Qa5+? { (-0.01 → 1.19) Mistake. Ne7 was best. } (7... Ne7 8. O-O d5 9. Bb3 O-O 10. Nd2 a5 11. a4 Be6 12. Bg3 Qd7 13. Nf3 dxe4 14. Bxe6) 8. Nd2?? { (1.19 → -4.31) Blunder. c3 was best. } (8. c3 Qd8) 8... Qxa4 9. Qh5?! { (-4.15 → -6.17) Inaccuracy. O-O was best. } (9. O-O) 9... Qxc2? { (-6.17 → -3.15) Mistake. Be7 was best. } (9... Be7 10. Qe5) 10. O-O?! { (-3.15 → -4.26) Inaccuracy. O-O was best. } (10. O-O d6 11. Qg5 Ne7 12. Nc4 h6 13. Qg3 O-O 14. Bxh6 Ng6 15. Bd2 b5 16. Rfc1 Qa4) 10... Nf6?! { (-4.26 → -3.37) Inaccuracy. d6 was best. } (10... d6 11. e5 Ne7 12. exd6 Ng6 13. Rac1 Qxd3 14. Rfe1+ Be6 15. Qxc5 Nxf4 16. d7+ Kxd7 17. Ne4) 11. Qg5? { (-3.37 → -5.64) Mistake. Qe5+ was best. } (11. Qe5+ Be7) 11... Be7?! { (-5.64 → -3.76) Inaccuracy. Be7 was best. } (11... Be7) 12. e5 h6?? { (-3.56 → 10.21) Blunder. O-O was best. } (12... O-O 13. exf6) 13. Qxg7 Rg8 14. exf6 Rxg7 15. fxg7 d6 16. Rfe1 Be6 17. g8=Q+ Bf8 18. Rxe6+ fxe6 19. Qxe6+ Kd8 20. Qf6+ Kc7 21. Nc4 Re8 22. Bxd6+ Bxd6 23. Qxd6+ Kc8 24. Qxd4 Rd8 25. Qg4+ Kc7 26. Qg3+ Kc8 27. Ne5 Qxb2 28. Re1 Qd2 29. f3 h5 30. h3 Qxa2 31. Qg6 Rg8 32. Qf5+ Kb8 33. Ng6 a6 34. Qe5+ Ka8 35. Re2 Qb1+ 36. Re1 Qxd3 37. Nf4 Qd2 38. Qe2?? { (7.31 → -2.43) Blunder. Re2 was best. } (38. Re2) 38... Qxf4 39. Qf2 h4?! { (-2.24 → -1.65) Inaccuracy. Rc8 was best. } (39... Rc8) 40. Re2? { (-1.65 → -3.23) Mistake. Re4 was best. } (40. Re4 Qg3) 40... Rg3?? { (-3.23 → 6.69) Blunder. Rd8 was best. } (40... Rd8) 41. Rd2?? { (6.69 → -1.45) Blunder. Re8+ was best. } (41. Re8+ Qb8 42. Rxb8+ Kxb8 43. Qd4 Rg8 44. f4 Ka8 45. f5 Rb8 46. f6 Rg8 47. f7 Rb8) 41... Qb4?? { (-1.45 → Mate in 1) Checkmate is now unavoidable. Rg8 was best. } (41... Rg8 42. Rd4) 42. Rd8# { White wins by checkmate. } 1-0