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Puzzles (3 cohencoins award for each match):

Puzzle f4mMX: 513

GM☾ Benton (1980) +3
FEN
[Event " MrCohenOS Arena"] [Site "https://cohenchessclub.com/95jx9Dmd"] [Date "2025.09.26"] [White "Benton"] [Black "BENJAMIN4"] [Result "1-0"] [UTCDate "2025.09.26"] [UTCTime "20:35:57"] [WhiteElo "1980"] [BlackElo "1678"] [WhiteRatingDiff "+3"] [BlackRatingDiff "-2"] [WhiteTitle "GM☾"] [BlackTitle "🌊"] [Variant "Standard"] [TimeControl "420+2"] [ECO "B01"] [Opening "Scandinavian Defense: Main Line"] [Termination "Normal"] [Annotator "cohenchessclub.com"] 1. e4 d5?! { (0.33 → 0.87) Inaccuracy. c5 was best. } (1... c5 2. Nf3 d6 3. Nc3 e5 4. Bc4 Be7 5. d3 Nc6 6. O-O h6 7. Nd5 Nf6 8. Nxf6+) 2. exd5 Qxd5 3. Nc3 Qa5 { B01 Scandinavian Defense: Main Line } 4. d4 c6 5. Nf3 Nf6 6. Bf4 Bf5 7. Bc4 e6 8. O-O Nbd7 9. Re1 O-O-O?? { (0.21 → 1.84) Blunder. Bb4 was best. } (9... Bb4 10. Re3) 10. Ne5?? { (1.84 → -0.29) Blunder. h3 was best. } (10. h3) 10... Nxe5 11. Bxe5 Nd5?? { (-0.18 → 2.08) Blunder. Bd6 was best. } (11... Bd6 12. Bxd6) 12. Bxd5?? { (2.08 → 0.10) Blunder. Nxd5 was best. } (12. Nxd5) 12... exd5?? { (0.10 → 1.77) Blunder. cxd5 was best. } (12... cxd5) 13. Ne2?? { (1.77 → -0.10) Blunder. Qf3 was best. } (13. Qf3 Be6 14. a3 Bd6 15. Bxg7 Rhg8 16. Bf6 Rdf8 17. b4 Qc7 18. Be5 Bg4 19. Qe3 Re8) 13... f6 14. Bg3 Bd6?! { (0.08 → 1.02) Inaccuracy. h5 was best. } (14... h5 15. h4) 15. Bxd6 Rxd6 16. c3 Qc7 17. Ng3 Bg6 18. Qg4+ Rd7?! { (0.52 → 1.54) Inaccuracy. Qd7 was best. } (18... Qd7 19. Qf4 h6 20. h4 Re6 21. Rxe6 Qxe6 22. h5 Bh7 23. a4 a6 24. f3 Rd8 25. Kf2) 19. Nf5?! { (1.54 → 0.57) Inaccuracy. h4 was best. } (19. h4 Kb8 20. h5 Be8 21. Re3 Rf7 22. Qe6 Qd7 23. Qf5 Qc8 24. Qxc8+ Kxc8 25. Nf5 Kc7) 19... Bxf5 20. Qxf5 Qd6? { (0.76 → 2.21) Mistake. Kd8 was best. } (20... Kd8 21. Re3 Re7 22. Rae1 Qd7 23. Qxd7+ Rxd7 24. f3 Rf7 25. Kf2 a5 26. a4 g5 27. h4) 21. Re2 g6 22. Qe6? { (1.92 → 0.37) Mistake. Qh3 was best. } (22. Qh3) 22... Qxe6 23. Rxe6 f5? { (0.26 → 1.61) Mistake. Rf7 was best. } (23... Rf7) 24. Rae1 Kd8 25. g3 g5 26. Rf6 f4 27. gxf4 gxf4 28. Rxf4?! { (2.49 → 1.54) Inaccuracy. Kg2 was best. } (28. Kg2 a5) 28... Rg8+ 29. Kf1 Rdg7 30. Re3 Rg1+ 31. Ke2 Ra1? { (1.18 → 2.34) Mistake. R8g7 was best. } (31... R8g7 32. Kd3 Ra1 33. Rf8+ Kd7 34. Kc2 Rxa2 35. Re1 Ra5 36. h4 c5 37. h5 cxd4 38. h6) 32. Rf7 Rxa2 33. Rxh7?? { (2.37 → -1.03) Blunder. Rxb7 was best. } (33. Rxb7) 33... Rxb2+ 34. Kd3 Rxf2?? { (-1.58 → 0.00) Blunder. Rf8 was best. } (34... Rf8 35. Re2) 35. Rxb7 Rxh2?? { (0.00 → 5.09) Blunder. Rgg2 was best. } (35... Rgg2 36. Rh3 Rd2+ 37. Ke3 Rde2+ 38. Kf4 Rgf2+ 39. Kg3 Rg2+) 36. Rb8+ Kc7 37. Rxg8 Kb6 38. c4 dxc4+ 39. Kxc4 Rc2+ 40. Kb3 Rf2?! { (5.25 → 7.21) Inaccuracy. Rc1 was best. } (40... Rc1 41. Re7 Rb1+ 42. Kc3 Ka6 43. Rgg7 Rc1+ 44. Kd2 Rh1 45. Rb7 c5 46. d5 Rh6 47. Kd3) 41. Rg6?! { (7.21 → 4.62) Inaccuracy. Re7 was best. } (41. Re7 Rf3+ 42. Kc4 Rf1 43. Rb8+ Ka6 44. Re2 Ra1 45. Kc5 Rc1+ 46. Kd6 Ra1 47. Rc2 Ka5) 41... Rf1 42. d5 Rb1+?! { (6.15 → 54.05) Inaccuracy. a5 was best. } (42... a5 43. Rxc6+) 43. Kc2 Rb5 44. Rxc6+ Kb7 45. Re7+ Kb8 46. Rf6 Ka8 47. Rf8+ Rb8?! { (64.69 → Mate in 11) Checkmate is now unavoidable. Rb8 was best. } (47... Rb8 48. Rxb8+ Kxb8 49. Kb3 Kc8 50. Ka4 Kd8 51. Rxa7 Kc8 52. d6 Kd8 53. Kb5 Ke8 54. Ka5) 48. Rff7 Rc8+ 49. Kb3 Rb8+?! { (65.03 → Mate in 15) Checkmate is now unavoidable. Rd8 was best. } (49... Rd8 50. Rxa7+ Kb8 51. Rfd7 Kc8 52. Rxd8+ Kxd8 53. Rh7 Ke8 54. d6 Kd8 55. Kc4 Ke8 56. Kc5) 50. Ka4 Rd8 51. Rxa7+ Kb8 52. Rad7 Rc8 53. Rb7+ Ka8 54. Ra7+ Kb8 55. Rfb7# { White wins by checkmate. } 1-0
Computer analysisMove timesCrosstableFEN & PGN
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