Puzzles (3 cohencoins award for each match):
FEN
[Event " MrCohenOS Arena"]
[Site "https://cohenchessclub.com/bFo4mGEJ"]
[Date "2025.08.27"]
[White "xavi"]
[Black "David3"]
[Result "1-0"]
[UTCDate "2025.08.27"]
[UTCTime "20:36:13"]
[WhiteElo "1731"]
[BlackElo "1533"]
[WhiteRatingDiff "+3"]
[BlackRatingDiff "-5"]
[WhiteTitle "GM🥉"]
[BlackTitle "IM🔱"]
[Variant "Standard"]
[TimeControl "420+2"]
[ECO "B12"]
[Opening "Caro-Kann Defense: Advance Variation, Short Variation"]
[Termination "Normal"]
[Annotator "cohenchessclub.com"]
1. e4 c6 2. d4 d5 3. e5 Bf5 4. Nf3 { B12 Caro-Kann Defense: Advance Variation, Short Variation } e6 5. Bd3 Ne7 6. O-O Nd7 7. c3 g6 8. Bg5 Bg7 9. Qd2?! { (0.95 → 0.33) Inaccuracy. Bxf5 was best. } (9. Bxf5 gxf5) 9... O-O?! { (0.33 → 1.07) Inaccuracy. Bxd3 was best. } (9... Bxd3 10. Qxd3 h6 11. Bxe7 Qxe7 12. Ne1 c5 13. f4 h5 14. Na3 a6 15. Nac2 Bh6 16. a4) 10. Bxf5 gxf5?! { (1.16 → 1.76) Inaccuracy. exf5 was best. } (10... exf5 11. Re1 f6 12. exf6 Nxf6 13. Qe3 Ne4 14. Nbd2 Qe8 15. a4 Nc8 16. Bh6 Bxh6 17. Qxh6) 11. Bh6? { (1.76 → 0.34) Mistake. Qe3 was best. } (11. Qe3 Qe8 12. Re1 Ng6 13. Nbd2 c5 14. Nb3 c4 15. Nbd2 f6 16. exf6 Nxf6 17. Qxe6+ Qxe6) 11... Ng6 12. Bxg7 Kxg7 13. Qg5?! { (0.21 → -0.62) Inaccuracy. Re1 was best. } (13. Re1 f6) 13... Qxg5 14. Nxg5 Kh8?! { (-0.70 → -0.18) Inaccuracy. b5 was best. } (14... b5 15. g3) 15. f4 h6 16. Nh3 Rg8 17. g3 Ndf8 18. Nd2 Nh7?! { (0.39 → 1.07) Inaccuracy. Nd7 was best. } (18... Nd7 19. b4) 19. c4 dxc4 20. Nxc4 Rad8 21. Nd6 Rg7? { (0.57 → 2.04) Mistake. Rd7 was best. } (21... Rd7 22. Rae1 Nf6 23. Nxf7+ Rxf7 24. exf6 Rxf6 25. Rf3 Rd8 26. Ra3 a6 27. Rb3 b5 28. Ra3) 22. Rad1 f6 23. b4?! { (1.83 → 1.23) Inaccuracy. Rd3 was best. } (23. Rd3) 23... fxe5?! { (1.23 → 1.88) Inaccuracy. h5 was best. } (23... h5) 24. dxe5 b6?? { (1.89 → 7.51) Blunder. Rb8 was best. } (24... Rb8) 25. Nf7+ Rxf7 26. Rxd8+ Nhf8 27. Rfd1 h5 28. R1d6 Kg7 29. Ng5 Re7 30. h4 c5 31. bxc5 bxc5 32. Rc6 Rd7 33. Rxd7+ Nxd7 34. Rc7 c4 35. Rxd7+ Kh6?! { (11.14 → Mate in 1) Checkmate is now unavoidable. Kh8 was best. } (35... Kh8 36. Nxe6 c3 37. Rxa7 c2 38. Rc7 Ne7 39. Rxc2 Kg8 40. Kf2 Nd5 41. Nd4 Ne7 42. Ke3) 36. Rh7# { White wins by checkmate. } 1-0