Puzzles (3 cohencoins award for each match):
FEN
[Event " MrCohenOS Arena"]
[Site "https://cohenchessclub.com/uAuSiWhz"]
[Date "2025.11.04"]
[White "Walker"]
[Black "Jett1"]
[Result "1-0"]
[UTCDate "2025.11.04"]
[UTCTime "21:16:57"]
[WhiteElo "1525"]
[BlackElo "1066"]
[WhiteRatingDiff "+1"]
[BlackRatingDiff "-4"]
[WhiteTitle "⚡"]
[Variant "Standard"]
[TimeControl "420+2"]
[ECO "C41"]
[Opening "Philidor Defense"]
[Termination "Normal"]
[Annotator "cohenchessclub.com"]
1. e4 e5 2. Nf3 d6 3. Bc4 { C41 Philidor Defense } Nf6 4. d3 Nc6?! { (0.27 → 1.14) Inaccuracy. Be7 was best. } (4... Be7 5. O-O h6 6. Re1 O-O 7. h3 c5 8. Nh2 Nc6 9. Nc3 Be6 10. a3 Re8 11. a4) 5. Bg5? { (1.14 → -0.11) Mistake. Ng5 was best. } (5. Ng5 d5 6. exd5 b5 7. Bxb5 Qxd5 8. Bxc6+ Qxc6 9. Qf3 Bb7 10. O-O Bd6 11. Qxc6+ Bxc6) 5... h6 6. Bxf6 gxf6 7. Nc3 a6 8. Nd5 b5?! { (0.63 → 1.54) Inaccuracy. f5 was best. } (8... f5 9. O-O f4 10. d4 Bg7 11. a4 Ne7 12. a5 Nxd5 13. Bxd5 c6 14. Bb3 Bg4) 9. Bb3 a5? { (1.75 → 3.42) Mistake. f5 was best. } (9... f5 10. a4) 10. a4?! { (3.42 → 2.38) Inaccuracy. c4 was best. } (10. c4 bxc4) 10... bxa4?? { (2.38 → 5.59) Blunder. b4 was best. } (10... b4 11. Ne3 Rb8 12. Nh4 h5 13. O-O Nd4 14. Bd5 c6 15. c3 bxc3 16. bxc3 cxd5 17. cxd4) 11. Bxa4 Bd7 12. O-O Nb4?! { (4.40 → 6.75) Inaccuracy. f5 was best. } (12... f5 13. exf5) 13. Bxd7+ Kxd7 14. Nxb4 axb4 15. Rxa8?! { (5.79 → 4.41) Inaccuracy. Nh4 was best. } (15. Nh4) 15... Qxa8 16. c3?! { (4.56 → 3.01) Inaccuracy. Nh4 was best. } (16. Nh4 h5 17. b3 Be7 18. Nf5 Qa5 19. Qf3 Qa2 20. Qe2 Qb2 21. h3 Qc3 22. h4 c6) 16... bxc3?! { (3.01 → 3.93) Inaccuracy. bxc3 was best. } (16... bxc3) 17. bxc3 Rg8? { (3.31 → 5.46) Mistake. f5 was best. } (17... f5) 18. g3?! { (5.46 → 3.89) Inaccuracy. Nh4 was best. } (18. Nh4 d5 19. Qf3 dxe4 20. dxe4 Qa2 21. Nf5 Bc5 22. Nxh6 Rb8 23. h4 Rb2 24. Qxf6 Bxf2+) 18... d5?! { (3.89 → 5.20) Inaccuracy. f5 was best. } (18... f5 19. exf5 Be7 20. Re1 Qc6 21. d4 exd4 22. Qe2 Bf6 23. Qa2 d5 24. cxd4 Qc4 25. Qd2) 19. exd5?! { (5.20 → 3.59) Inaccuracy. Nh4 was best. } (19. Nh4) 19... Bc5? { (3.59 → 5.99) Mistake. Qxd5 was best. } (19... Qxd5 20. d4) 20. d4 Ba3?! { (5.12 → 8.73) Inaccuracy. exd4 was best. } (20... exd4 21. c4 Qa3 22. Nxd4 Rg5 23. Nf3 Rg8 24. Kg2 Qb2 25. Qa4+ Ke7 26. Qc6 Qb6 27. Re1+) 21. dxe5 Qa7 22. exf6 Bc5 23. Ne5+ Kd6 24. Nxf7+ Kd7 25. Nxh6 Rg6 26. Nf7 Rxf6 27. Ne5+ Kd6 28. Nc4+ Kd7 29. Qg4+ Ke7 30. Qg7+ Ke8?! { (14.85 → Mate in 8) Checkmate is now unavoidable. Rf7 was best. } (30... Rf7 31. Re1+) 31. Ne5?! { (Mate in 8 → 10.36) Lost forced checkmate sequence. Re1+ was best. } (31. Re1+ Be3 32. Qxf6 Kd7 33. Qe6+ Kd8 34. Rxe3 Qxe3 35. fxe3 c5 36. dxc6 Kc7 37. Qd7+ Kb8) 31... Rf7?! { (10.36 → Mate in 2) Checkmate is now unavoidable. Qb6 was best. } (31... Qb6 32. Ra1) 32. Qxf7+ Kd8 33. Qd7# { White wins by checkmate. } 1-0