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Puzzles (3 cohencoins award for each match):

Puzzle at8wE: 569

NM🎼 RoWaN (1694) +9
FEN
[Event " MrCohenOS Arena"] [Site "https://cohenchessclub.com/TyYKfYfI"] [Date "2025.11.07"] [White "BENJAMIN4"] [Black "RoWaN"] [Result "0-1"] [UTCDate "2025.11.07"] [UTCTime "21:29:08"] [WhiteElo "1655"] [BlackElo "1694"] [WhiteRatingDiff "-6"] [BlackRatingDiff "+9"] [WhiteTitle "🌊"] [BlackTitle "NM🎼"] [Variant "Standard"] [TimeControl "420+2"] [ECO "A40"] [Opening "Modern Defense"] [Termination "Normal"] [Annotator "cohenchessclub.com"] 1. d4 g6 { A40 Modern Defense } 2. Bf4?! { (0.75 → 0.11) Inaccuracy. e4 was best. } (2. e4 d6 3. Nf3 Nf6 4. Nc3 Bg7 5. Bc4 O-O 6. O-O Nxe4 7. Nxe4 d5 8. Bd3 dxe4) 2... Bg7 3. e3 d5 4. Bd3 Nf6 5. Nf3 Nc6?! { (-0.05 → 0.76) Inaccuracy. c5 was best. } (5... c5 6. h3) 6. c3?! { (0.76 → 0.25) Inaccuracy. h3 was best. } (6. h3) 6... O-O 7. Qc2? { (0.54 → -0.59) Mistake. h3 was best. } (7. h3 Nd7) 7... Nh5 8. Bg3?! { (-0.17 → -0.91) Inaccuracy. Bg5 was best. } (8. Bg5 Qd6 9. Nbd2 h6 10. Bh4 e5 11. dxe5 Nxe5 12. Nxe5 Bxe5 13. Nf3 Bg7 14. O-O Bg4) 8... Qe8?? { (-0.91 → 1.09) Blunder. Nxg3 was best. } (8... Nxg3 9. hxg3 e5 10. dxe5 a5 11. Nbd2 Nxe5 12. Nxe5 Bxe5 13. a3 c6 14. e4 Bg7 15. O-O) 9. Nbd2?? { (1.09 → -0.84) Blunder. Bxc7 was best. } (9. Bxc7 f6) 9... Nxg3 10. hxg3 f5?? { (-0.76 → 1.03) Blunder. e5 was best. } (10... e5 11. dxe5 Nxe5 12. Nxe5 Qxe5 13. O-O a5 14. a4 Rd8 15. Rfe1 Qd6 16. Rad1 Qb6 17. Qb3) 11. Ng5?! { (1.03 → 0.13) Inaccuracy. Qb3 was best. } (11. Qb3 e6 12. c4 Qd8 13. Rc1 a5 14. a3 Nb8 15. Ne5 a4 16. Qc2 c6 17. f4 Nd7) 11... h5? { (0.13 → 1.40) Mistake. h6 was best. } (11... h6 12. Ngf3 e5 13. Nxe5 Nxe5 14. dxe5 Qxe5 15. Rd1 Qf6 16. Nf3 Be6 17. O-O c6 18. Rd2) 12. Ndf3? { (1.40 → 0.24) Mistake. f4 was best. } (12. f4 Bf6 13. Ndf3 e6 14. Bb5 Bd7 15. Bxc6 Bxc6 16. Rc1 Qe7 17. Kf2 Rfe8 18. c4 dxc4) 12... Bh6? { (0.24 → 1.51) Mistake. e5 was best. } (12... e5 13. dxe5 Nxe5 14. O-O Bf6 15. Rfd1 Kg7 16. Nxe5 Qxe5 17. Nf3 Qe7 18. c4 Rd8 19. cxd5) 13. O-O-O? { (1.51 → 0.19) Mistake. Qb3 was best. } (13. Qb3 Bxg5) 13... Bxg5? { (0.19 → 1.38) Mistake. e5 was best. } (13... e5) 14. Nxg5 e5 15. g4 e4 16. Be2?? { (0.85 → -3.82) Blunder. gxh5 was best. } (16. gxh5) 16... fxg4 17. f4? { (-3.10 → -5.54) Mistake. c4 was best. } (17. c4 Nb4) 17... exf3 18. gxf3 Qxe3+ 19. Qd2 Qxd2+ 20. Rxd2 Rf5 21. fxg4 Rxg5 22. gxh5 gxh5 23. Bxh5 Bf5 24. Rdh2 Be4 25. Bf3 Kf7 26. Bxe4 dxe4 27. Rf2+ Ke6 28. Rh6+ Kd5 29. c4+ Kxd4 30. Rd2+ Kxc4 31. Rc2+ Kd3 32. Rh3+ Kd4 33. Rhc3 Rg1+ 34. Kd2 Rg2+ 35. Kc1 Rxc2+ 36. Kxc2 Nb4+ 37. Kb3 c5 38. Rc4+ Kd5 39. a3 Nd3 40. Kc3 b5 41. Rxc5+ { White resigns. } 0-1
Computer analysisMove timesCrosstableFEN & PGN
Reconnecting