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Puzzles (3 cohencoins award for each match):

Puzzle 2Lygv: 867

FEN
[Event " MrCohenOS Arena"] [Site "https://cohenchessclub.com/J9uxQTfn"] [Date "2025.11.24"] [White "KiRiLL"] [Black "Garyd"] [Result "1-0"] [UTCDate "2025.11.24"] [UTCTime "16:03:43"] [WhiteElo "1428"] [BlackElo "1564"] [WhiteRatingDiff "+14"] [BlackRatingDiff "-9"] [WhiteTitle "GM"] [BlackTitle "GM🙌"] [Variant "Standard"] [TimeControl "420+2"] [ECO "C50"] [Opening "Giuoco Piano"] [Termination "Normal"] [Annotator "cohenchessclub.com"] 1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 { C50 Giuoco Piano } 4. O-O d6 5. d3 Nd4?! { (0.25 → 1.15) Inaccuracy. Nf6 was best. } (5... Nf6 6. c3 a6 7. Nbd2 Ba7 8. a4 O-O 9. h3 h6 10. Re1 Ne7 11. Nf1 Ng6 12. d4) 6. Nxd4?! { (1.15 → 0.54) Inaccuracy. b4 was best. } (6. b4) 6... Bxd4 7. Be3?? { (0.33 → -2.59) Blunder. c3 was best. } (7. c3 Bb6) 7... Bxe3?? { (-2.59 → 0.11) Blunder. Bxb2 was best. } (7... Bxb2 8. Nd2 Bxa1 9. Qxa1 Be6 10. Bxe6 fxe6 11. f4 Nf6 12. fxe5 Ng4 13. Bd4 dxe5 14. Bxe5) 8. fxe3 Nf6 9. Qf3 O-O 10. Nc3 c6 11. d4 b5 12. Bd3 Qd7 13. Rad1?! { (0.09 → -0.46) Inaccuracy. a4 was best. } (13. a4 b4) 13... Qg4 14. Qxg4? { (-0.53 → -2.01) Mistake. a3 was best. } (14. a3 Qg5 15. h3 Rb8 16. Rf2 Bd7 17. Rdf1 h6 18. b3 a6 19. Ne2 c5 20. dxc5 dxc5) 14... Bxg4? { (-2.01 → -0.65) Mistake. Nxg4 was best. } (14... Nxg4) 15. Rd2 Rfd8 16. Rdf2 Rab8 17. dxe5? { (-0.44 → -1.57) Mistake. a4 was best. } (17. a4 a6) 17... dxe5 18. Rd2 h6 19. h3 Be6 20. Rfd1 Kh7?! { (-2.27 → -1.39) Inaccuracy. Kf8 was best. } (20... Kf8) 21. Be2 Rxd2 22. Rxd2 Rb7? { (-2.16 → -0.98) Mistake. Kg8 was best. } (22... Kg8) 23. b3 Rd7 24. Rxd7 Bxd7 25. Kf2 b4 26. Na4 Nxe4+ 27. Kf3?! { (-2.01 → -3.20) Inaccuracy. Ke1 was best. } (27. Ke1 Bf5 28. Bd3 Bg6 29. Ke2 h5 30. h4 Kh6 31. Kf3 Nc3 32. Bxg6 Kxg6 33. Nxc3 bxc3) 27... Ng5+? { (-3.20 → -1.87) Mistake. f5 was best. } (27... f5 28. Bd3 Nc3 29. Nxc3 bxc3 30. e4 f4 31. Bf1 Kg6 32. g3 fxg3 33. Kxg3 c5 34. a3) 28. Kg3? { (-1.87 → -3.20) Mistake. Kf2 was best. } (28. Kf2) 28... Ne4+ 29. Kf3 Nc3?? { (-3.55 → -0.27) Blunder. f5 was best. } (29... f5) 30. Nxc3 bxc3 31. Bc4?? { (-0.53 → -3.04) Blunder. Ke4 was best. } (31. Ke4) 31... f6 32. Ke4?! { (-2.71 → -3.81) Inaccuracy. e4 was best. } (32. e4) 32... Kg6 33. Bd3?? { (-3.82 → -9.13) Blunder. Kf3 was best. } (33. Kf3 Kg5) 33... Kg5? { (-9.13 → -4.09) Mistake. Bf5+ was best. } (33... Bf5+ 34. Kf3 Bxd3 35. cxd3 c2 36. d4 exd4 37. exd4 c1=Q 38. d5 cxd5 39. a4 Qc3+ 40. Kf2) 34. Kf3 Kh4 35. Bf1 Kg5 36. g4? { (-3.55 → -6.48) Mistake. g3 was best. } (36. g3 c5 37. e4 f5 38. a3 Kf6 39. Ke3 g5 40. Kf2 Be6 41. Bc4 Bxc4 42. bxc4 f4) 36... Kg6? { (-6.48 → -3.86) Mistake. Kh4 was best. } (36... Kh4) 37. Bd3+ f5 38. gxf5+?! { (-3.84 → -5.07) Inaccuracy. Kg3 was best. } (38. Kg3 Kf6) 38... Bxf5 39. Bxf5+ Kxf5 40. e4+ Ke6? { (-7.48 → -4.37) Mistake. Kg5 was best. } (40... Kg5 41. Kg3) 41. Ke3?! { (-4.37 → -6.92) Inaccuracy. Kg4 was best. } (41. Kg4 g6 42. b4 Kd6 43. h4 c5 44. b5 Kc7 45. h5 gxh5+ 46. Kxh5 Kb6 47. Kg4 h5+) 41... Kf6 42. Kf3 g5?! { (-7.58 → -5.08) Inaccuracy. Kg5 was best. } (42... Kg5 43. Kg3) 43. Kg3 Kg6 44. Kg4 h5+ 45. Kg3 h4+ 46. Kg4 Kf6?? { (-6.46 → 6.85) Blunder. a5 was best. } (46... a5 47. a3 c5 48. a4 Kh6 49. Kf5 Kh5 50. Kxe5 g4 51. hxg4+ Kxg4 52. Kd5 h3 53. Kxc5) 47. Kf3?? { (6.85 → -6.77) Blunder. Kh5 was best. } (47. Kh5 Ke7) 47... Kg6 48. Kg4 Kh6?? { (-6.69 → -2.00) Blunder. a5 was best. } (48... a5 49. a3 c5 50. a4 Kh6 51. Kf5 Kh5 52. Kxe5 g4 53. hxg4+ Kxg4 54. Kd6 h3 55. e5) 49. Kf5? { (-2.00 → -3.84) Mistake. b4 was best. } (49. b4 Kg6) 49... Kh5?? { (-3.84 → -1.16) Blunder. c5 was best. } (49... c5) 50. Kxe5?? { (-1.16 → -6.69) Blunder. b4 was best. } (50. b4 Kh6) 50... g4 51. hxg4+ Kxg4 52. Kf6 h3 53. e5 h2 54. e6 h1=Q 55. e7 Qf3+ 56. Ke6 Qe2+ 57. Kf7 Kf5 58. e8=Q Qxe8+ 59. Kxe8 Ke6 60. Kd8 Kd6?? { (-6.64 → -0.30) Blunder. Ke5 was best. } (60... Ke5 61. Kc7 Kd4 62. Kxc6 Ke3 63. b4 Kd2 64. Kb7 Kxc2 65. b5 Kb2 66. a4 c2 67. a5) 61. Kc8 Kc5 62. Kb7 Kb4 63. Kxc6?? { (-0.12 → -11.08) Blunder. a4 was best. } (63. a4 Ka3 64. Kxa7 Kb2 65. b4 Kxc2 66. b5 Kb3 67. b6 c2 68. b7 Kxa4 69. b8=Q c1=Q) 63... Ka3 64. Kc5 Kxa2 65. Kc4 Kb2 66. Kd3 a6?? { (-55.48 → 11.25) Blunder. a5 was best. } (66... a5 67. Kd4 Kxc2 68. Kc4 Kd2 69. Kb5 c2 70. Kxa5 c1=Q 71. b4 Qc7+ 72. Ka6 Kc3 73. b5) 67. b4 Ka3 68. Kxc3 Ka4 69. Kc4 Ka3 70. b5 axb5+ 71. Kxb5 Kb2 72. c4 Kc3 73. c5 Kb3?! { (55.44 → Mate in 14) Checkmate is now unavoidable. Kd4 was best. } (73... Kd4 74. c6 Ke5 75. c7 Ke4 76. c8=Q Kd3 77. Qc4+ Kd2 78. Qc6 Ke1 79. Qc2 Kf1 80. Qd2) 74. c6 Ka3 75. c7 Kb3 76. c8=Q Ka2 77. Qc4+ Kb1 78. Qb3+ Kc1 79. Qa2 Kd1 80. Kc4 Ke1 81. Kd3 Kf1 82. Ke3 Kg1 83. Kf3 Kh1 84. Kg3 Kg1 { Black resigns. } 1-0
Computer analysisMove timesCrosstableFEN & PGN
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