Puzzles (3 cohencoins award for each match):
FEN
[Event " MrCohenOS Arena"]
[Site "https://cohenchessclub.com/X66O3REj"]
[Date "2025.10.03"]
[White "BENJAMIN4"]
[Black "Elijah10"]
[Result "1-0"]
[UTCDate "2025.10.03"]
[UTCTime "20:29:06"]
[WhiteElo "1694"]
[BlackElo "1017"]
[WhiteRatingDiff "+1"]
[BlackRatingDiff "-3"]
[WhiteTitle "🌊"]
[Variant "Standard"]
[TimeControl "420+2"]
[ECO "D00"]
[Opening "Queen's Pawn Game: Mason Variation"]
[Termination "Normal"]
[Annotator "cohenchessclub.com"]
1. d4 d5 2. Bf4 { D00 Queen's Pawn Game: Mason Variation } Nc6 3. e3 Nf6 4. Bd3 e6 5. Nf3 Bb4+?! { (0.42 → 1.09) Inaccuracy. Bd6 was best. } (5... Bd6 6. c3 Ne7 7. Nbd2 Bxf4 8. exf4 O-O 9. O-O b6 10. Re1 c5 11. Ne5 Ne8 12. Qc2) 6. c3 Bd6 7. Bg3 Bxg3 8. hxg3 O-O 9. Qc2?! { (1.14 → 0.50) Inaccuracy. Ne5 was best. } (9. Ne5 g6) 9... e5?? { (0.50 → 9.30) Blunder. h6 was best. } (9... h6 10. Nbd2 Qd6 11. Bb5 Bd7 12. Bxc6 Bxc6 13. Ne5 Be8 14. g4 Nh7 15. f4 f6 16. Ng6) 10. Bxh7+ Kh8 11. Bd3+ Nh7 12. Bxh7 Rg8?! { (11.15 → Mate in 2) Checkmate is now unavoidable. Re8 was best. } (12... Re8 13. Bf5+) 13. Bxg8+?! { (Mate in 2 → 10.27) Lost forced checkmate sequence. Bf5+ was best. } (13. Bf5+ Qh4 14. Rxh4#) 13... Kxg8 14. Qh7+ Kf8 15. Qh8+ Ke7 16. Qh4+ Kd6 17. dxe5+ Kc5 18. Qa4 Kb6 19. Qb3+ Nb4 20. Qxb4+ Kc6 21. Nd4+ Kd7 22. Qb5+ Ke7 { Black offers draw } 23. Qc5+ Kd7 24. Rh7 Ke8?! { (19.07 → Mate in 3) Checkmate is now unavoidable. Qe8 was best. } (24... Qe8 25. e6+ Qxe6 26. Nxe6 Kxe6 27. Rh8 c6 28. Qf8 d4 29. exd4 c5 30. Qxc8+ Rxc8 31. Rxc8) 25. Rh8+ Kd7 26. Re8? { (Mate in 2 → 9.79) Lost forced checkmate sequence. Qxd5+ was best. } (26. Qxd5+ Ke7 27. Qxd8#) 26... Kxe8 27. Nd2 Kd7 28. N2f3 b6 29. Qc6+ Ke7 30. Qxa8 Bd7 31. Qxd8+ Kxd8 32. O-O-O g5 33. Nxg5 f6 34. exf6 Ke8 35. f7+ Ke7 36. Ndf3 Kf8?! { (21.32 → Mate in 10) Checkmate is now unavoidable. c5 was best. } (36... c5 37. Rxd5) 37. Ne5?! { (Mate in 10 → 24.32) Lost forced checkmate sequence. Rxd5 was best. } (37. Rxd5 Ke7 38. f8=Q+ Kxf8 39. Rxd7 c5 40. Ne5 Ke8 41. Ne6 a6 42. Rg7 b5 43. Kc2 b4) 37... Bg4?! { (24.32 → Mate in 4) Checkmate is now unavoidable. Ke7 was best. } (37... Ke7 38. Nxd7) 38. Nxg4 d4 39. Rxd4 c5 { Black offers draw } 40. Rd8+ Ke7 41. Re8+ Kd7 42. f8=Q Kc6 43. Rc8+ Kb5 44. Qe8+ Ka6 45. Qa4+ Kb7 46. Qd7+ Ka6 47. Ra8 Ka5 48. Rxa7# { White wins by checkmate. } 1-0