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Puzzles (3 cohencoins award for each match):

Puzzle o2NPI: 386

Grayson (1275) +18
FEN
[Event " MrCohenOS Arena"] [Site "https://cohenchessclub.com/TzJQDvmT"] [Date "2026.06.28"] [White "Grayson"] [Black "Levi2"] [Result "1-0"] [UTCDate "2026.06.28"] [UTCTime "17:15:03"] [WhiteElo "1275"] [BlackElo "1394"] [WhiteRatingDiff "+18"] [BlackRatingDiff "-14"] [BlackTitle "GM🎷"] [Variant "Standard"] [TimeControl "420+2"] [ECO "B01"] [Opening "Scandinavian Defense"] [Termination "Normal"] [Annotator "cohenchessclub.com"] 1. e4 d5?! { (0.18 → 0.96) Inaccuracy. c5 was best. } { B01 Scandinavian Defense } (1... c5) 2. f3?? { (0.96 → -0.94) Blunder. exd5 was best. } (2. exd5 Nf6 3. d4 Bf5 4. Nf3 Nxd5 5. Bd3 Bxd3 6. Qxd3 e6 7. O-O c5 8. Qe2 cxd4) 2... Nc6 3. Nc3?! { (-0.71 → -1.40) Inaccuracy. Bb5 was best. } (3. Bb5 e6) 3... dxe4? { (-1.40 → -0.27) Mistake. d4 was best. } (3... d4 4. Nd5) 4. fxe4 Ne5?? { (-0.25 → 1.77) Blunder. Nd4 was best. } (4... Nd4) 5. Nf3?! { (1.77 → 0.87) Inaccuracy. d4 was best. } (5. d4 Ng6) 5... Bg4? { (0.87 → 2.23) Mistake. Bg4 was best. } (5... Bg4 6. Qe2) 6. d4?? { (2.23 → -0.14) Blunder. Nxe5 was best. } (6. Nxe5 Bxd1) 6... Nxf3+?? { (-0.14 → 1.97) Blunder. Bxf3 was best. } (6... Bxf3 7. Qd2) 7. gxf3 Be6? { (1.92 → 3.23) Mistake. Bh5 was best. } (7... Bh5 8. Qe2) 8. Be3 Nf6?! { (3.17 → 4.08) Inaccuracy. Bd7 was best. } (8... Bd7 9. Qd2) 9. Qd2?! { (4.08 → 2.96) Inaccuracy. d5 was best. } (9. d5 Bd7 10. e5 Ng8 11. Qd2 e6 12. O-O-O Ne7 13. d6 Nf5 14. Nb5 cxd6 15. exd6 Rc8) 9... Bd7?! { (2.96 → 3.78) Inaccuracy. c6 was best. } (9... c6 10. O-O-O a6 11. Kb1 g6 12. Na4 Bg7 13. Nc5 Bc8 14. Nd3 O-O 15. Be2 a5 16. c3) 10. O-O-O?! { (3.78 → 2.84) Inaccuracy. e5 was best. } (10. e5 Nh5) 10... e6 11. Kb1 c6 12. b3?! { (3.03 → 2.06) Inaccuracy. Rg1 was best. } (12. Rg1 g6) 12... Ba3?! { (2.06 → 3.24) Inaccuracy. Bb4 was best. } (12... Bb4 13. Rg1 g6 14. Qd3 Be7 15. Na4 Qa5 16. Nc5 O-O-O 17. Qc4 Kb8 18. Nd3 Bc8 19. Ne5) 13. Bc4?! { (3.24 → 1.95) Inaccuracy. Rg1 was best. } (13. Rg1 g6) 13... Bb4 14. Rhg1 Qa5 15. Qg2 Bxc3? { (2.12 → 3.70) Mistake. Nh5 was best. } (15... Nh5 16. Ne2) 16. Qxg7 Rg8?? { (3.66 → 8.14) Blunder. O-O-O was best. } (16... O-O-O 17. Qxf6 h5 18. Rg5 Qa3 19. Bc1 Qf8 20. Be2 Be8 21. Bb2 Rh6 22. Qf4 Bxb2 23. Kxb2) 17. Qxf6 Rxg1 18. Rxg1 Qa3?! { (16.37 → Mate in 6) Checkmate is now unavoidable. Bb4 was best. } (18... Bb4 19. Bd2) 19. Rg8+ Qf8 20. Rxf8+ Kxf8 21. Bh6+ Ke8 22. Qh8+ Ke7 23. Qxa8?! { (Mate in 3 → 15.77) Lost forced checkmate sequence. Bg5+ was best. } (23. Bg5+ f6 24. Qxf6+ Kd6 25. Bf4#) 23... Bxd4?! { (15.77 → Mate in 6) Checkmate is now unavoidable. Be8 was best. } (23... Be8 24. Qxb7+) 24. Bg5+?! { (Mate in 6 → 15.03) Lost forced checkmate sequence. Qf8+ was best. } (24. Qf8+ Kf6 25. Bg7+ Kg5 26. Bxd4 f5 27. Qg7+ Kh5 28. Bf6 fxe4 29. Qxh7#) 24... Kd6?! { (15.03 → Mate in 3) Checkmate is now unavoidable. Bf6 was best. } (24... Bf6 25. Bh6) 25. Qb8+ Kc5 26. Bd3 b6 27. Qxa7 Bc8 28. Qxf7 e5 29. Qxh7 Ba6 30. Qa7 Bxd3 31. cxd3 Bc3 32. Bd8?! { (Mate in 3 → 76.14) Lost forced checkmate sequence. d4+ was best. } (32. d4+ Kxd4 33. Qxb6+ Kd3 34. Qe3#) 32... Ba5 33. Qc7 b5?! { (73.94 → Mate in 3) Checkmate is now unavoidable. Kd4 was best. } (33... Kd4 34. Kc2 Ke3 35. Qxc6 Ke2 36. Bxb6 Bxb6 37. Qxb6 Kf1 38. Qd6 Kg2 39. Qxe5 Kg1 40. a4) 34. Qxa5 Kd4 { Black offers draw } 35. h4 Ke3 36. h5 c5 37. Qxb5 c4 38. Qxc4 Kxf3 39. h6 Ke3 40. h7 Kf4 41. h8=Q Ke3 42. Qh6+ Kf3 43. Qc2 Kg4 44. Qcd2 Kf3 45. Qde3+ Kg4 46. Qhg5# { White wins by checkmate. } 1-0
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