Puzzles (3 cohencoins award for each match):
FEN
[Event " MrCohenOS Arena"]
[Site "https://cohenchessclub.com/G1SjvhXZ"]
[Date "2026.10.06"]
[White "Benton"]
[Black "Mark-David"]
[Result "1-0"]
[UTCDate "2026.10.06"]
[UTCTime "20:21:34"]
[WhiteElo "2020"]
[BlackElo "1190"]
[WhiteRatingDiff "+1"]
[BlackRatingDiff "+0"]
[WhiteTitle "GM🏆"]
[Variant "Standard"]
[TimeControl "420+2"]
[ECO "C41"]
[Opening "Philidor Defense: Exchange Variation"]
[Termination "Normal"]
[Annotator "cohenchessclub.com"]
1. e4 e5 2. Nf3 d6 3. d4 exd4 4. Nxd4 { C41 Philidor Defense: Exchange Variation } Nc6 5. Nxc6 bxc6 6. Nc3 Nf6 7. Bg5 Be7 8. Bd3 d5 9. exd5 Nxd5 10. Bxe7 Qxe7+ 11. Qe2 Qxe2+?! { (0.34 → 1.15) Inaccuracy. Nxc3 was best. } (11... Nxc3 12. Qxe7+ Kxe7 13. bxc3 Be6 14. O-O-O Rab8 15. Rhe1 Rb6 16. Re4 Rhb8 17. Kd2 c5 18. Bc4) 12. Nxe2 O-O?! { (1.11 → 2.04) Inaccuracy. Bb7 was best. } (12... Bb7 13. O-O-O O-O-O 14. Nd4 Nf4 15. Nb3 Nxd3+ 16. Rxd3 Rxd3 17. cxd3 Re8 18. Kd2 c5 19. Nxc5) 13. O-O? { (2.04 → 0.82) Mistake. O-O-O was best. } (13. O-O-O) 13... Re8 14. Ng3 c5?? { (0.41 → 2.19) Blunder. Kf8 was best. } (14... Kf8 15. Rfe1) 15. a3? { (2.19 → 0.60) Mistake. Be4 was best. } (15. Be4 c6) 15... Bd7?! { (0.60 → 1.51) Inaccuracy. Nb6 was best. } (15... Nb6 16. Rfd1) 16. c4?? { (1.51 → -0.44) Blunder. Ne4 was best. } (16. Ne4 Bc6 17. Nxc5 Nf4 18. f3 Re5 19. b4 a5 20. Kf2 Rg5 21. g3 Nxd3+ 22. Nxd3 Rf5) 16... Nf6 17. Rfe1 h6 18. h3 Bc6 19. Nf5 Rab8?? { (-0.09 → 7.00) Blunder. Kf8 was best. } (19... Kf8 20. b4) 20. Ne7+ Kf8 21. Nxc6 Rxb2 22. Rxe8+ Kxe8 23. Nxa7 Rb3 24. Bf1 Ne4 25. Nb5 Nd2 26. Nxc7+ Kd8 27. Nd5 Nxf1 28. Kxf1 Kd7 29. a4 Kd6 30. a5 Rd3 31. a6 Kc6?! { (11.86 → Mate in 8) Checkmate is now unavoidable. Rd4 was best. } (31... Rd4 32. a7) 32. a7 Kb7 33. a8=Q# { White wins by checkmate. } 1-0