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Puzzles (3 cohencoins award for each match):

Puzzle Dn5n3: 602

FEN
[Event " MrCohenOS Arena"] [Site "https://cohenchessclub.com/K2IZWZyW"] [Date "2025.06.18"] [White "BENJAMIN4"] [Black "Gabriel1"] [Result "1-0"] [UTCDate "2025.06.18"] [UTCTime "20:19:48"] [WhiteElo "1598"] [BlackElo "1366"] [WhiteRatingDiff "+3"] [BlackRatingDiff "-4"] [WhiteTitle "🌊"] [BlackTitle "🏈"] [Variant "Standard"] [TimeControl "420+2"] [ECO "D00"] [Opening "Queen's Pawn Game: Mason Variation"] [Termination "Normal"] [Annotator "cohenchessclub.com"] 1. d4 d5 2. Bf4 { D00 Queen's Pawn Game: Mason Variation } Nc6 3. e3 Nh6?! { (0.66 → 1.26) Inaccuracy. Nf6 was best. } (3... Nf6 4. Nf3) 4. Nf3 Bg4 5. h3 Bxf3 6. gxf3? { (1.89 → 0.48) Mistake. Qxf3 was best. } (6. Qxf3 e6) 6... Nf5 7. Bd3 g6 8. Bxf5 gxf5 9. Qd3 Nb4?? { (-0.03 → 2.25) Blunder. Qd7 was best. } (9... Qd7) 10. Qb5+ Nc6 11. Nc3 a6?? { (2.17 → 6.33) Blunder. e6 was best. } (11... e6 12. Qxb7) 12. Qxd5?? { (6.33 → 2.06) Blunder. Qxb7 was best. } (12. Qxb7 Na5) 12... Qxd5 13. Nxd5 Rd8?? { (2.09 → 7.13) Blunder. O-O-O was best. } (13... O-O-O 14. Nc3) 14. Nxc7+ Kd7 15. Nd5 e6 16. Nb6+ Ke7 17. Bg5+?! { (7.78 → 4.73) Inaccuracy. Bc7 was best. } (17. Bc7 Rd7) 17... f6 18. Bh4?! { (4.85 → 3.50) Inaccuracy. Bf4 was best. } (18. Bf4 e5) 18... Nb4? { (3.50 → 6.16) Mistake. f4 was best. } (18... f4 19. c3 Kf7 20. exf4 Ne7 21. Ke2 h5 22. Nc4 b5 23. Ne3 Ng6 24. Bg3 h4 25. f5) 19. O-O-O?! { (6.16 → 4.49) Inaccuracy. Ke2 was best. } (19. Ke2) 19... Nxa2+ 20. Kb1 Nb4 21. e4?! { (4.46 → 3.27) Inaccuracy. d5 was best. } (21. d5 Bh6) 21... fxe4?! { (3.27 → 4.23) Inaccuracy. Kf7 was best. } (21... Kf7 22. c3 Nc6 23. Rhe1 Be7 24. Bg3 Bd6 25. Nc4 Bxg3 26. fxg3 fxe4 27. fxe4 b5 28. Ne3) 22. fxe4 Nc6? { (3.92 → 6.47) Mistake. Kf7 was best. } (22... Kf7 23. Rhe1) 23. d5?! { (6.47 → 4.68) Inaccuracy. e5 was best. } (23. e5 Bg7 24. Rhg1 Kf7 25. c3 Rdg8 26. f4 fxe5 27. fxe5 Ne7 28. Bxe7 Kxe7 29. Nc8+ Kd7) 23... exd5? { (4.68 → 8.48) Mistake. Ne5 was best. } (23... Ne5) 24. Nxd5+ Ke6 25. Bxf6 Be7 26. Bxh8 Rxh8 27. Nxe7 Kxe7 28. Rhg1 Nb4 29. Rg7+ Kf8 30. Rxb7 Nc6 31. Rd6 Ne7 32. Rd8+ Kg7 33. Rxe7+ Kf6 34. Rxh8 Kxe7 35. Rxh7+ Ke6 36. Kc1 Ke5 37. Kd2 Kxe4 38. f3+ Kxf3 39. Rh4 Kg3 40. Rg4+ Kxh3 41. Rg8?! { (Mate in 12 → 61.93) Lost forced checkmate sequence. Ra4 was best. } (41. Ra4 Kg3 42. Ke3 a5 43. Rxa5 Kg4 44. b4 Kg3 45. b5 Kh4 46. b6 Kh3 47. b7 Kh4) 41... Kh4 42. Ke3 Kh5 43. Kf4 Kh4 44. Kf5 Kh3 45. Kf4 Kh2 46. Kf3 Kh3 47. Rh8# { White wins by checkmate. } 1-0
Computer analysisMove timesCrosstableFEN & PGN
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