Puzzles (3 cohencoins award for each match):
FEN
[Event " MrCohenOS Arena"]
[Site "https://cohenchessclub.com/38GkHIo1"]
[Date "2025.08.05"]
[White "Edward3"]
[Black "Robbie3"]
[Result "0-1"]
[UTCDate "2025.08.05"]
[UTCTime "14:20:04"]
[WhiteElo "1291"]
[BlackElo "1244"]
[WhiteRatingDiff "-30"]
[BlackRatingDiff "+24"]
[WhiteTitle "GM"]
[BlackTitle "NM"]
[Variant "Standard"]
[TimeControl "420+2"]
[ECO "B00"]
[Opening "Pirc Defense"]
[Termination "Normal"]
[Annotator "cohenchessclub.com"]
1. e4 d6 2. d4 { B00 Pirc Defense } Be6?! { (0.70 → 1.49) Inaccuracy. Nf6 was best. } (2... Nf6 3. Nc3) 3. Nc3 Nc6?? { (1.55 → 8.12) Blunder. g6 was best. } (3... g6 4. h3) 4. d5 Nb4 5. dxe6 fxe6 6. a3 Nc6 7. Bc4 d5 8. exd5 exd5 9. Bxd5 Nd4 10. Qxd4 c5 11. Qxc5 e5 12. Bxg8? { (15.85 → 4.40) Mistake. Qc4 was best. } (12. Qc4) 12... Bxc5 13. Bb3 Rf8 14. Be3? { (4.83 → 2.52) Mistake. Nh3 was best. } (14. Nh3 h6) 14... Qf6?? { (2.52 → 8.37) Blunder. Bxe3 was best. } (14... Bxe3 15. Ba4+) 15. Nh3?? { (8.37 → 0.76) Blunder. Bxc5 was best. } (15. Bxc5 Rc8) 15... h5?? { (0.76 → 9.98) Blunder. Bxe3 was best. } (15... Bxe3 16. Ba4+ Kd8 17. fxe3 Qh4+ 18. Kd2 Kc7 19. Nd5+ Kb8 20. Raf1 Rxf1 21. Rxf1 a6 22. Bb3) 16. Bxc5 Rf7 17. Bxf7+ Kxf7 18. Nd5 Qc6 19. Bxa7 Rxa7 20. Nb4?? { (7.75 → -1.21) Blunder. O-O-O was best. } (20. O-O-O Ra5) 20... Qc4?? { (-1.21 → 7.37) Blunder. Qxg2 was best. } (20... Qxg2 21. O-O-O) 21. b3?? { (7.37 → -1.57) Blunder. O-O-O was best. } (21. O-O-O) 21... Qb5?? { (-1.57 → 6.41) Blunder. Qxb4+ was best. } (21... Qxb4+ 22. axb4) 22. c3 Qc5 23. O-O-O?? { (7.81 → -6.08) Blunder. Ng5+ was best. } (23. Ng5+) 23... Qxc3+ 24. Kb1 Rxa3 25. Nd3?? { (-6.28 → Mate in 1) Checkmate is now unavoidable. Nc2 was best. } (25. Nc2 Rxb3+ 26. Kc1 Rb2 27. Rd2 Qb3 28. Na3 Rxd2 29. Kxd2 Qd5+ 30. Kc2 Qa2+ 31. Kd1 Qxa3) 25... Ra1# { Black wins by checkmate. } 0-1