Puzzles (3 cohencoins award for each match):
FEN
[Event " MrCohenOS Arena"]
[Site "https://cohenchessclub.com/4ba9QjBp"]
[Date "2025.09.12"]
[White "Nathan4"]
[Black "Islomjon"]
[Result "0-1"]
[UTCDate "2025.09.12"]
[UTCTime "23:20:42"]
[WhiteElo "1320"]
[BlackElo "1343"]
[WhiteRatingDiff "-11"]
[BlackRatingDiff "+11"]
[WhiteTitle "GM"]
[BlackTitle "GM"]
[Variant "Standard"]
[TimeControl "420+2"]
[ECO "C55"]
[Opening "Italian Game: Two Knights Defense, Modern Bishop's Opening"]
[Termination "Normal"]
[Annotator "cohenchessclub.com"]
1. e4 e5 2. Nf3 Nc6 3. Bc4 Nf6 4. d3 { C55 Italian Game: Two Knights Defense, Modern Bishop's Opening } Be7 5. O-O O-O 6. Bg5?! { (0.49 → -0.10) Inaccuracy. a4 was best. } (6. a4 a6 7. Re1 d6 8. c3 Na5 9. Ba2 c5 10. Bg5 b5 11. Nbd2 h6 12. Bxf6 Bxf6) 6... d5 7. exd5 Nb4?? { (-0.09 → 2.35) Blunder. Nxd5 was best. } (7... Nxd5) 8. c3 Nbxd5 9. Bxd5?? { (2.13 → -0.44) Blunder. Nxe5 was best. } (9. Nxe5 Nd7 10. Bxe7 Nxe7 11. Nxd7 Bxd7 12. d4 Ng6 13. Nd2 Bc6 14. Qg4 b5 15. Bb3 a5) 9... Qxd5?! { (-0.44 → 0.36) Inaccuracy. Nxd5 was best. } (9... Nxd5 10. Bxe7 Qxe7 11. Re1 f6 12. d4 Nf4 13. dxe5 Be6 14. Nbd2 Rad8 15. Qc2 Bd5 16. e6) 10. d4? { (0.36 → -1.01) Mistake. Re1 was best. } (10. Re1 Bg4 11. Nbd2 h6 12. Bh4 Rae8 13. Qb3 Qxd3 14. Rxe5 g5 15. Bg3 Bd6 16. Rxe8 Rxe8) 10... exd4 11. cxd4 Be6 12. Nc3 Qc4 13. Ne5?! { (-0.47 → -1.00) Inaccuracy. a3 was best. } (13. a3 Rfe8) 13... Qa6 14. Qf3 g6?? { (-0.79 → 8.66) Blunder. Rad8 was best. } (14... Rad8) 15. Bxf6 Bxf6 16. Qxf6 Bc4 17. Ne4?! { (8.29 → 5.60) Inaccuracy. Qxa6 was best. } (17. Qxa6 Bxa6 18. Rfd1 Rfe8 19. f4 Rad8 20. Kf2 b5 21. Ne4 Bb7 22. Nf6+ Kg7 23. Nxe8+ Rxe8) 17... Bxf1 18. Rxf1 Qxf6 19. Nxf6+ Kg7 20. Nfd7?? { (5.14 → 0.34) Blunder. Ned7 was best. } (20. Ned7 Rfd8) 20... Rfe8?? { (0.34 → 2.82) Blunder. Rfd8 was best. } (20... Rfd8 21. f4 f6 22. Nc5 fxe5 23. Ne6+ Kf7 24. Nxd8+ Rxd8 25. dxe5 Rd2 26. f5 gxf5 27. Rxf5+) 21. Rc1?! { (2.82 → 2.18) Inaccuracy. Nf3 was best. } (21. Nf3) 21... Re6?? { (2.18 → 4.83) Blunder. f6 was best. } (21... f6 22. Nf3 Re2 23. Kf1 Rxb2 24. Rxc7 Re8 25. Nc5+ Kf8 26. Rxb7 Rxb7 27. Nxb7 Rb8 28. Nc5) 22. Rxc7 Rb6?! { (5.95 → 8.72) Inaccuracy. Rd8 was best. } (22... Rd8 23. g3) 23. Nxb6 Rd8 24. Rxb7 Rxd4 25. Rxa7?? { (9.00 → Mate in 1) Checkmate is now unavoidable. Rxf7+ was best. } (25. Rxf7+ Kg8 26. Rd7 Re4 27. f3 Rxe5 28. Rxa7 Re2 29. Nc4 g5 30. a4 Rc2 31. b3 Ra2) 25... Rd1# { Black wins by checkmate. } 0-1