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Puzzles (3 cohencoins award for each match):

Puzzle qYHHH: 545

GM🏆 Harry2 (1597) +3
FEN
[Event " MrCohenOS Arena"] [Site "https://cohenchessclub.com/jXm7jVBN"] [Date "2025.09.23"] [White "Harry2"] [Black "Elijah6"] [Result "1-0"] [UTCDate "2025.09.23"] [UTCTime "20:07:18"] [WhiteElo "1597"] [BlackElo "1427"] [WhiteRatingDiff "+3"] [BlackRatingDiff "-14"] [WhiteTitle "GM🏆"] [BlackTitle "NM"] [Variant "Standard"] [TimeControl "420+2"] [ECO "B21"] [Opening "Sicilian Defense: Smith-Morra Gambit"] [Termination "Normal"] [Annotator "cohenchessclub.com"] 1. e4 c5 2. d4 cxd4 3. c3 { B21 Sicilian Defense: Smith-Morra Gambit } dxc3 4. Nxc3 e5? { (-0.39 → 1.03) Mistake. Nc6 was best. } (4... Nc6 5. Nf3 e6 6. Bc4 Bb4 7. O-O d6 8. e5 dxe5 9. Qb3 Nf6 10. Nxe5 Nxe5 11. Qxb4) 5. Bc4 Bb4 6. Qd5? { (1.28 → 0.00) Mistake. Qb3 was best. } (6. Qb3 Qe7) 6... Bxc3+ 7. bxc3 Qf6 8. Nf3 Ne7?! { (0.90 → 1.75) Inaccuracy. Nc6 was best. } (8... Nc6 9. O-O) 9. Qd1? { (1.75 → 0.25) Mistake. Qxe5 was best. } (9. Qxe5 Qxe5) 9... O-O?? { (0.25 → 4.84) Blunder. d6 was best. } (9... d6 10. O-O h6 11. Ba3 Be6 12. Bxe6 Qxe6 13. Qb3 Qxb3 14. axb3 Nc8 15. Rad1 Nc6 16. Bxd6) 10. Bg5 Qc6 11. Bxe7 Qxc4 12. Bxf8 Qxc3+?! { (4.76 → 6.85) Inaccuracy. Qxe4+ was best. } (12... Qxe4+ 13. Kf1 d5 14. Ba3 Nc6 15. Kg1 Bf5 16. h3 Qc4 17. Qd2 Rd8 18. Kh2 Qa4 19. Bc1) 13. Nd2 Kxf8?! { (5.37 → 7.30) Inaccuracy. Nc6 was best. } (13... Nc6 14. Bd6) 14. O-O?? { (7.30 → 1.59) Blunder. Rc1 was best. } (14. Rc1 Qxc1 15. Qxc1 Nc6 16. Nc4 d6 17. Nxd6 Kg8 18. O-O h6 19. Qc4 Be6 20. Qb5 Rb8) 14... Qa3?? { (1.59 → 5.06) Blunder. Nc6 was best. } (14... Nc6 15. Nf3) 15. Nc4 Qc5?! { (4.74 → 6.47) Inaccuracy. Qe7 was best. } (15... Qe7 16. Nd6 Nc6 17. f4 f6 18. Rc1 exf4 19. Rxf4 b5 20. Rh4 g6 21. e5 fxe5 22. Rh3) 16. Qd6+? { (6.47 → 3.33) Mistake. Nd6 was best. } (16. Nd6 Nc6 17. Qd5 Qxd5 18. exd5 Nd4 19. f4 Ne2+ 20. Kh1 e4 21. Rfe1 Nc3 22. Rac1 Ke7) 16... Qxd6 17. Nxd6 Nc6 18. Nxc8?? { (3.18 → 0.50) Blunder. Rad1 was best. } (18. Rad1 Ke7) 18... Rxc8 19. Rfd1 Ke7 20. Rab1 b6 21. Rb2?! { (0.22 → -0.69) Inaccuracy. Rbc1 was best. } (21. Rbc1 Ra8) 21... g6?! { (-0.69 → 0.03) Inaccuracy. Nd4 was best. } (21... Nd4 22. f4 d6 23. Rd3 h5 24. fxe5 dxe5 25. Rh3 g6 26. Ra3 Rc1+ 27. Kf2 Rc7 28. h4) 22. Rbd2? { (0.03 → -0.99) Mistake. Rc2 was best. } (22. Rc2 h5) 22... Rd8? { (-0.99 → 0.15) Mistake. Nd4 was best. } (22... Nd4 23. f4 d6 24. Rd3 h5 25. fxe5 dxe5 26. h4 Rc7 27. Rb1 Ke6 28. Kf1 f5 29. exf5+) 23. Re2?! { (0.15 → -0.40) Inaccuracy. Rc1 was best. } (23. Rc1) 23... Nd4 24. Ree1 Nc2 25. Rf1 Nd4 26. f4?? { (-0.62 → -3.10) Blunder. Rd2 was best. } (26. Rd2 d5) 26... Ne2+ 27. Kh1?! { (-2.61 → -3.71) Inaccuracy. Kf2 was best. } (27. Kf2 Nxf4) 27... Nxf4 28. g3 Ne6 29. Rf2?! { (-3.52 → -4.52) Inaccuracy. Rd3 was best. } (29. Rd3 a6) 29... a5?? { (-4.52 → -1.74) Blunder. Nc5 was best. } (29... Nc5 30. Rdf1 Rf8 31. Re2 h5 32. h3 f6 33. Kg2 Rc8 34. Rf3 Rc6 35. Ra3 a6 36. g4) 30. Rdf1 Rf8 31. Rd1?? { (-1.52 → -3.66) Blunder. Rb2 was best. } (31. Rb2 Nc5) 31... b5?? { (-3.66 → -1.00) Blunder. Nc5 was best. } (31... Nc5 32. Rb2) 32. Rfd2?? { (-1.00 → -4.18) Blunder. Rd5 was best. } (32. Rd5) 32... Rd8?? { (-4.18 → -0.77) Blunder. Nd4 was best. } (32... Nd4 33. g4 Rc8 34. g5 d6 35. Rf1 Ne6 36. Rdf2 Nf4 37. Rd2 Rc4 38. Rfd1 Rc6 39. Rb2) 33. Rd5 Nc7?? { (-1.02 → 3.80) Blunder. d6 was best. } (33... d6) 34. Rxe5+ Kf6 35. Rc5 Ne6 36. Rxb5 Ke7?! { (3.87 → 5.90) Inaccuracy. a4 was best. } (36... a4 37. Ra5) 37. Rxa5 f5 38. exf5 gxf5 39. Rxf5 d6 40. a4 Ng7 41. Re1+ Ne6 42. a5 d5 43. Rfe5 Rd6 44. Rh5 d4 45. Rxh7+ Kf6 46. Rh6+ Kf5 47. g4+ Kxg4 48. Rexe6 Rxe6 49. Rxe6 Kf3 50. Rd6 Ke3 51. Rxd4 Kxd4 52. a6 Kc5 53. a7 Kb6 54. a8=Q Kc5 55. Qd8 Kb4 56. Qc7 Kb5 57. Kg2 Ka4 58. Kf2 Kb4 59. Ke2 Kb3 60. Kd3 Kb4 61. Kd4 Kb3 62. Qc4+ Kb2 63. Qc3+ Kb1 64. Qd2 Ka1 65. Kc3 Kb1 66. Qb2# { White wins by checkmate. } 1-0
Computer analysisMove timesCrosstableFEN & PGN
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