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Puzzles (3 cohencoins award for each match):

Puzzle MYfR8: 633

FEN
[Event "Summer Bowl Arena Mega"] [Site "https://cohenchessclub.com/KPU7hXRO"] [Date "2025.07.27"] [White "Maria"] [Black "MegaPawn"] [Result "1/2-1/2"] [UTCDate "2025.07.27"] [UTCTime "19:11:53"] [WhiteElo "1230"] [BlackElo "969"] [WhiteRatingDiff "-6"] [BlackRatingDiff "+12"] [WhiteTitle "❦"] [Variant "Standard"] [TimeControl "600+1"] [ECO "C25"] [Opening "Vienna Game"] [Termination "Normal"] [Annotator "cohenchessclub.com"] 1. e4 e5 2. Nc3 { C25 Vienna Game } Be7?! { (0.17 → 0.81) Inaccuracy. Nf6 was best. } (2... Nf6) 3. Bb5? { (0.81 → -0.29) Mistake. d4 was best. } (3. d4 d6 4. Nf3 exd4 5. Nxd4 Nf6 6. Bf4 O-O 7. Qd2 c6 8. f3 b5 9. a3 Re8) 3... Nc6? { (-0.29 → 0.74) Mistake. c6 was best. } (3... c6) 4. Bxc6?! { (0.74 → -0.12) Inaccuracy. Nf3 was best. } (4. Nf3 Nf6 5. O-O d6 6. d4 Bd7 7. Bxc6 Bxc6 8. Qe2 exd4 9. Nxd4 Bd7 10. Re1 O-O) 4... dxc6 5. Qe2 Nf6 6. Qc4?! { (0.05 → -0.55) Inaccuracy. Nf3 was best. } (6. Nf3 Bd6 7. d3 O-O 8. Bg5 Re8 9. h3 a5 10. a4 Bb4 11. Nd2 h6 12. Be3 Nd7) 6... b5 7. Qb3?? { (-0.28 → -7.61) Blunder. Qe2 was best. } (7. Qe2 Nd7 8. Nf3 a5 9. d3 a4 10. a3 O-O 11. O-O Ba6 12. Be3 Re8 13. Rfd1 Bd6) 7... Bd7?? { (-7.61 → -2.82) Blunder. Be6 was best. } (7... Be6 8. d3 Bxb3 9. axb3 Nd7 10. Nf3 O-O 11. d4 f6 12. O-O a5 13. Be3 Bb4 14. dxe5) 8. Nf3?? { (-2.82 → -7.15) Blunder. Nce2 was best. } (8. Nce2 Nxe4) 8... Qc8?? { (-7.15 → -0.40) Blunder. Be6 was best. } (8... Be6 9. O-O Bxb3 10. axb3 b4 11. Ne2 Qd6 12. d4 Nxe4 13. Nxe5 c5 14. Nc4 Qc6 15. Ra5) 9. Nxe5?? { (-0.40 → -6.13) Blunder. Ne2 was best. } (9. Ne2 Nxe4 10. Nxe5 Be6 11. Qd3 Nd6 12. Qc3 O-O 13. O-O Nf5 14. d4 Bd6 15. Nf4 b4) 9... Be6 10. Nc4?! { (-6.45 → -9.96) Inaccuracy. Nd5 was best. } (10. Nd5 cxd5) 10... O-O 11. Nd6 Qd7 12. Qa3 Qxd6 13. Qxd6 Bxd6 14. f3 a6 15. d3 Bb4 16. Bd2 Nd7 17. e5 Nxe5 18. Ne4 Bc5?? { (-8.28 → 1.31) Blunder. Be7 was best. } (18... Be7 19. O-O-O) 19. Nxc5 Bf5?! { (1.27 → 1.93) Inaccuracy. Nd7 was best. } (19... Nd7 20. Nxd7) 20. f4? { (1.93 → 0.52) Mistake. Bf4 was best. } (20. Bf4 Nd7) 20... Ng4? { (0.52 → 1.64) Mistake. Nd7 was best. } (20... Nd7) 21. Be3?? { (1.64 → -7.31) Blunder. O-O was best. } (21. O-O) 21... Rae8 22. Ke2 Nxe3 23. g3 Nxc2+ 24. Kd2 Nxa1 25. Rxa1 Re2+?? { (-9.03 → -0.60) Blunder. a5 was best. } (25... a5) 26. Kxe2 Rd8?! { (-0.13 → 0.38) Inaccuracy. Ra8 was best. } (26... Ra8 27. Rc1 Kf8 28. Ne4 Bd7 29. Kd2 a5 30. Nc5 Bh3 31. Nb3 Ra6 32. Nd4 Bg2 33. Rc5) 27. Nb3?? { (0.38 → -3.07) Blunder. a4 was best. } (27. a4 Re8+ 28. Kd2 Bg4 29. Re1 Rxe1 30. Kxe1 bxa4 31. Nxa6 Kf8 32. Kd2 Ke7 33. Nc5 Kd6) 27... Bxd3+ 28. Kd2 Bf5+ 29. Kc3 Rf8?? { (-2.89 → -0.93) Blunder. Re8 was best. } (29... Re8 30. Rc1) 30. Nd4 Bh3 31. Nf3?? { (-1.35 → -4.37) Blunder. Re1 was best. } (31. Re1 g6) 31... c5 32. Ng5 Bg2?! { (-5.22 → -3.74) Inaccuracy. Bf5 was best. } (32... Bf5 33. g4) 33. Rg1?! { (-3.74 → -5.60) Inaccuracy. Re1 was best. } (33. Re1 Bc6) 33... Bd5 34. Rd1 Bxa2 35. Rd7?! { (-4.72 → -6.37) Inaccuracy. b3 was best. } (35. b3) 35... b4+ 36. Kc2 c4 37. Rxc7?! { (-6.19 → -9.34) Inaccuracy. Kd2 was best. } (37. Kd2 Bb3) 37... b3+?? { (-9.34 → -1.01) Blunder. Rd8 was best. } (37... Rd8) 38. Kc3 a5?! { (-1.38 → -0.47) Inaccuracy. h6 was best. } (38... h6 39. Nf3 Re8 40. Kd2 Rd8+ 41. Kc1 a5 42. Rxc4 a4 43. Rxa4 Rc8+ 44. Kd1 Rc2 45. Nd2) 39. Rc8?? { (-0.47 → -9.07) Blunder. Ne4 was best. } (39. Ne4) 39... Rxc8 40. Kd4 Rf8 41. Kxc4 a4 42. Ne4 Ra8 43. Nc3 a3 44. bxa3 Bb1?! { (-10.29 → -6.26) Inaccuracy. b2+ was best. } (44... b2+ 45. Kd3) 45. Nxb1 Rc8+?! { (-6.47 → -4.19) Inaccuracy. b2 was best. } (45... b2) 46. Kxb3 Rc1 47. Nc3 Rh1?? { (-4.07 → -1.57) Blunder. Kf8 was best. } (47... Kf8) 48. Ne4? { (-1.57 → -3.46) Mistake. a4 was best. } (48. a4 Rxh2) 48... Rxh2 49. Kc4 Rc2+ 50. Kd4?! { (-4.55 → -6.27) Inaccuracy. Kb5 was best. } (50. Kb5 Rb2+) 50... Ra2 51. a4 Rxa4+ 52. Ke5 f6+ 53. Kf5 Ra5+ 54. Kg4 g6?? { (-56.29 → -3.02) Blunder. f5+ was best. } (54... f5+) 55. Kf3?? { (-3.02 → -6.47) Blunder. Nxf6+ was best. } (55. Nxf6+ Kg7) 55... f5 56. Ng5 Ra3+ 57. Kf2 Ra7 58. Ne6 Re7 59. Ng5 Kg7 60. Kf3 h6 61. Nh3 h5 62. Nf2 Re1 63. Nh3 Rh1 64. Nf2 Rf1 65. Kg2 Rc1 66. Nd3 Rc2+ 67. Kf3 Rc3 68. Ke3 Kh6 69. Ke2 g5 70. fxg5+ Kxg5 71. Nf4 Rxg3 72. Kf2?! { (-56.11 → Mate in 7) Checkmate is now unavoidable. Nd5 was best. } (72. Nd5 Rg4 73. Nc3 h4 74. Nd1 h3 75. Kf3 Kh4 76. Nf2 Rg3+ 77. Kf4 h2 78. Nh1 Rg1) 72... Ra3?! { (Mate in 7 → -11.62) Lost forced checkmate sequence. Kxf4 was best. } (72... Kxf4 73. Ke2 h4 74. Kd2 h3 75. Kc2 h2 76. Kb2 h1=Q 77. Ka2 Qh2+ 78. Ka1 Rg1#) 73. Nh3+?! { (-11.62 → Mate in 10) Checkmate is now unavoidable. Ne6+ was best. } (73. Ne6+ Kg4) 73... Kg4?! { (Mate in 10 → -72.12) Lost forced checkmate sequence. Rxh3 was best. } (73... Rxh3 74. Kg2 Re3 75. Kf2 f4 76. Kg2 Rg3+ 77. Kf2 h4 78. Kf1 h3 79. Ke2 h2 80. Kd2) 74. Ng1 h4 75. Ne2 h3 76. Ng1 Ra1 77. Nf3 h2?! { (Mate in 11 → -56.50) Lost forced checkmate sequence. Ra2+ was best. } (77... Ra2+ 78. Ke3 Ra3+ 79. Kd4 Rxf3 80. Kc5 h2 81. Kd6 h1=Q 82. Kc5 Qc1+ 83. Kb4 Re3 84. Ka4) 78. Nxh2+ Kh3 79. Nf1 Ra2+ 80. Kg1 f4 81. Kh1 f3 82. Ne3 f2 83. Nf1 Ra1 { Draw by stalemate. } 1/2-1/2
Computer analysisMove timesCrosstableFEN & PGN
Reconnecting