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Puzzles (3 cohencoins award for each match):

Puzzle Yd8Et: 932

FEN
[Event " MrCohenOS Arena"] [Site "https://cohenchessclub.com/8xqlY2f6"] [Date "2025.07.28"] [White "RoWaN"] [Black "Masterwill"] [Result "0-1"] [UTCDate "2025.07.28"] [UTCTime "23:35:36"] [WhiteElo "1661"] [BlackElo "1470"] [WhiteRatingDiff "-17"] [BlackRatingDiff "+24"] [WhiteTitle "NM🎼"] [Variant "Standard"] [TimeControl "420+2"] [ECO "B50"] [Opening "Sicilian Defense: Modern Variations"] [Termination "Normal"] [Annotator "cohenchessclub.com"] 1. e4 c5 2. Nf3 d6 { B50 Sicilian Defense: Modern Variations } 3. Bc4 Nf6 4. e5?! { (0.06 → -0.47) Inaccuracy. d3 was best. } (4. d3 Nc6) 4... dxe5 5. Nxe5 Nc6?? { (-0.48 → Mate in 1) Checkmate is now unavoidable. e6 was best. } (5... e6 6. Bb5+ Nbd7 7. Nxd7 Bxd7 8. a4 Bd6 9. d3 O-O 10. Nc3 Bc8 11. Bc4 a6 12. Ne4) 6. Nxc6?? { (Mate in 1 → 1.17) Lost forced checkmate sequence. Bxf7# was best. } (6. Bxf7#) 6... bxc6 7. O-O e5 8. Qf3?! { (1.51 → 0.86) Inaccuracy. d3 was best. } (8. d3) 8... Be7?! { (0.86 → 1.69) Inaccuracy. e4 was best. } (8... e4 9. Qe2) 9. Qxc6+ Bd7 10. Qf3 Bg4? { (1.38 → 2.67) Mistake. e4 was best. } (10... e4) 11. Qc3 O-O 12. f3 Be6?! { (1.72 → 2.72) Inaccuracy. Bf5 was best. } (12... Bf5) 13. Bxe6 fxe6 14. Qxe5 Bd6 15. Qxe6+ Rf7 16. Nc3 Qb6? { (2.77 → 4.40) Mistake. Qc7 was best. } (16... Qc7 17. Qh3) 17. Nd5?? { (4.40 → -8.84) Blunder. Kh1 was best. } (17. Kh1 Re8) 17... Qb8?? { (-8.84 → 6.50) Blunder. Bxh2+ was best. } (17... Bxh2+ 18. Kxh2) 18. d3? { (6.50 → 3.26) Mistake. Nxf6+ was best. } (18. Nxf6+) 18... h6?? { (3.26 → 7.38) Blunder. Bxh2+ was best. } (18... Bxh2+ 19. Kh1) 19. g3?? { (7.38 → 2.97) Blunder. Nxf6+ was best. } (19. Nxf6+ gxf6) 19... Nxd5 20. Qxd5 a5?? { (2.98 → 7.44) Blunder. Bxg3 was best. } (20... Bxg3 21. Kg2) 21. b3?? { (7.44 → 2.89) Blunder. Kg2 was best. } (21. Kg2 Be5 22. Re1 Bf6 23. Rb1 Qf8 24. Bf4 Kh8 25. Re4 Rd8 26. Qe6 Kh7 27. b3 Bd4) 21... Ra6?? { (2.89 → 7.30) Blunder. Bxg3 was best. } (21... Bxg3 22. f4) 22. c4?? { (7.30 → 1.20) Blunder. f4 was best. } (22. f4 c4) 22... Qa7?? { (1.20 → 6.11) Blunder. Bxg3 was best. } (22... Bxg3 23. f4) 23. Bb2 Kh7 24. f4 a4 25. Qe4+ Kg8 26. Qe8+ Kh7 27. Qe4+ Kg8 28. d4 axb3 29. axb3 Rxa1 30. Rxa1 Qb6 31. Qe8+?! { (8.50 → 5.52) Inaccuracy. Ra8+ was best. } (31. Ra8+) 31... Rf8?! { (5.52 → 8.00) Inaccuracy. Bf8 was best. } (31... Bf8 32. Qe3 Re7 33. Qd3 cxd4 34. Bxd4 Qd8 35. Qc3 Rd7 36. Bf2 Rd3 37. Qc2 Rd2 38. Qe4) 32. Qe6+ Rf7 33. d5 Qxb3 34. Ra8+ Bb8 35. Qe8+ Rf8 36. Rxb8?? { (6.85 → 0.00) Blunder. Qe6+ was best. } (36. Qe6+) 36... Qd1+ 37. Kg2?! { (0.00 → -0.95) Inaccuracy. Kf2 was best. } (37. Kf2 Rxe8 38. Rxe8+ Kf7 39. Re1 Qd3 40. Re3 Qc2+ 41. Re2 Qd1) 37... Rxe8 38. Rxe8+ Kf7 39. Rc8?? { (-1.01 → -5.78) Blunder. Rb8 was best. } (39. Rb8 g5) 39... Qc2+ 40. Kh3 Qxb2?! { (-6.25 → -3.92) Inaccuracy. Qf5+ was best. } (40... Qf5+) 41. Rc7+?! { (-3.92 → -5.84) Inaccuracy. Rxc5 was best. } (41. Rxc5 Qf2 42. Rc6 Qf1+ 43. Kh4 Qg2 44. Re6 Qxh2+ 45. Kg4 h5+ 46. Kf3 Qh1+ 47. Kf2 Qc1) 41... Kf6 42. Rxc5 Qd4? { (-6.77 → -3.71) Mistake. Qf2 was best. } (42... Qf2) 43. Rc6+ Kf5 44. Re6 Qxc4 45. Re5+ Kf6 46. d6? { (-4.03 → -8.54) Mistake. Kg4 was best. } (46. Kg4 Qf1) 46... Qc8+? { (-8.54 → -3.91) Mistake. Qf1+ was best. } (46... Qf1+) 47. Kh4?? { (-3.91 → -59.83) Blunder. g4 was best. } (47. g4 Qc2) 47... g5+ 48. fxg5+ Kxe5 49. gxh6 Qd7 50. h7 Qxh7+ 51. Kg4 Kxd6 { White resigns. } 0-1
Computer analysisMove timesCrosstableFEN & PGN
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