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Puzzles (3 cohencoins award for each match):

Puzzle 7wSIg: 630

Tamoi (1379?) +27
FEN
[Event " MrCohenOS Arena"] [Site "https://cohenchessclub.com/djNyEH2s"] [Date "2026.02.03"] [White "Ethan10"] [Black "Tamoi"] [Result "1/2-1/2"] [UTCDate "2026.02.03"] [UTCTime "00:25:27"] [WhiteElo "1456"] [BlackElo "1379"] [WhiteRatingDiff "-3"] [BlackRatingDiff "+27"] [WhiteTitle "IM"] [Variant "Standard"] [TimeControl "420+2"] [ECO "B01"] [Opening "Scandinavian Defense"] [Termination "Normal"] [Annotator "cohenchessclub.com"] 1. e4 d5 { B01 Scandinavian Defense } 2. Qf3?? { (0.87 → -0.98) Blunder. exd5 was best. } (2. exd5) 2... dxe4 3. Qf4? { (-0.83 → -2.14) Mistake. Qxe4 was best. } (3. Qxe4 Nf6 4. Qf4 Nc6 5. Nf3 g5 6. Qxg5 Rg8 7. Qb5 Bd7 8. Qe2 e5 9. d3 Bg4) 3... Nc6 4. Bc4? { (-1.94 → -3.35) Mistake. Qxe4 was best. } (4. Qxe4 Nf6 5. Qe2 e5 6. d3 Bg4 7. Nf3 Qe7 8. Be3 O-O-O 9. h3 Be6 10. c3 Nd5) 4... Nf6 5. Qe3 e5?! { (-4.14 → -3.30) Inaccuracy. Nd4 was best. } (5... Nd4 6. Na3 e5 7. Ne2 Bxa3 8. Nxd4 Qxd4 9. Qxd4 exd4 10. bxa3 Be6 11. Bb3 c5 12. O-O) 6. f4?? { (-3.30 → -8.23) Blunder. Ne2 was best. } (6. Ne2 Be7) 6... exf4 7. Qxf4 Bc5 8. Nh3 O-O 9. Ng5 Nd5 10. Bxd5 Qxd5 11. Nxe4 Bf5? { (-8.15 → -4.52) Mistake. Nd4 was best. } (11... Nd4 12. Nbc3) 12. Nxc5? { (-4.52 → -10.40) Mistake. Nbc3 was best. } (12. Nbc3) 12... Qxc5 13. Na3 Rae8+ 14. Kd1 Re7?! { (-10.50 → -5.93) Inaccuracy. Re4 was best. } (14... Re4 15. Qf3 Bg4 16. c3 Qh5 17. Rg1 Nd4 18. cxd4 Rxd4 19. Kc2 Bxf3 20. b3 Rd6 21. Kb2) 15. Re1?? { (-5.93 → Mate in 6) Checkmate is now unavoidable. d3 was best. } (15. d3 Bg6 16. Bd2 Qd5 17. Rg1 Nd4 18. Re1 Rfe8 19. Rxe7 Rxe7 20. Be3 Nxc2 21. Nxc2 Qxd3+) 15... Rxe1+ 16. Kxe1 h6?? { (Mate in 5 → -5.68) Lost forced checkmate sequence. Qg1+ was best. } (16... Qg1+ 17. Ke2 Qxg2+ 18. Ke1 Re8+ 19. Qe3 Qg1+ 20. Ke2 Nd4#) 17. c3?? { (-5.68 → Mate in 6) Checkmate is now unavoidable. Qe3 was best. } (17. Qe3 Qd5) 17... Re8+?! { (Mate in 6 → -12.78) Lost forced checkmate sequence. Qg1+ was best. } (17... Qg1+ 18. Ke2 Qxg2+ 19. Kd1 Bd3 20. Qe3 Qh1+ 21. Qe1 Qf3+ 22. Qe2 Qxe2#) 18. Kd1?! { (-12.78 → Mate in 2) Checkmate is now unavoidable. Qe3 was best. } (18. Qe3) 18... Ne5?? { (Mate in 2 → 1.98) Lost forced checkmate sequence. Qg1+ was best. } (18... Qg1+ 19. Qf1 Qxf1#) 19. Qxf5?? { (1.98 → 0.00) Blunder. d4 was best. } (19. d4) 19... Qe7?? { (0.00 → 3.25) Blunder. Qg1+ was best. } (19... Qg1+ 20. Kc2 Qxg2 21. b3 g6 22. Qf4 Nf3 23. Kb2 Ne1 24. Qd4 Qf1 25. Nc4 Nd3+ 26. Kc2) 20. Nb5?! { (3.25 → 2.03) Inaccuracy. h3 was best. } (20. h3 c5) 20... Ng6?! { (2.03 → 2.78) Inaccuracy. c5 was best. } (20... c5 21. Kc2) 21. Qf1 Nh4?! { (3.00 → 4.06) Inaccuracy. c5 was best. } (21... c5 22. b3) 22. g3 Ng6 23. d3 Qd8? { (3.46 → 5.87) Mistake. Qd7 was best. } (23... Qd7 24. c4 a6 25. Nc3 b5 26. Kc2 bxc4 27. dxc4 Ne5 28. Bd2 Qe6 29. Re1 Qg6+ 30. Re4) 24. Bf4?! { (5.87 → 4.11) Inaccuracy. Kc2 was best. } (24. Kc2 Qd7 25. Nd4 Ne5 26. Bd2 c5 27. Nf3 Nxf3 28. Qxf3 c4 29. Rf1 Re6 30. d4 Ra6) 24... Qd5 25. Nxc7 Qd8? { (3.85 → 8.77) Mistake. Qh5+ was best. } (25... Qh5+ 26. Kc2) 26. Nxe8 Qxe8 27. Kc2 Ne7 28. Re1 Qd8 29. Qe2 Nd5 30. c4 Nb4+ 31. Kc3 Nxa2+ 32. Kc2 Nb4+ 33. Kb3 Nc6 34. d4?? { (9.75 → -6.21) Blunder. Qe8+ was best. } (34. Qe8+ Kh7) 34... Nxd4+ 35. Kc3 Nxe2+ 36. Rxe2 a5 37. c5 Qd7 38. b4 a4 39. Kc4 a3 40. Be5 Qd1?! { (-8.30 → -5.77) Inaccuracy. Qg4+ was best. } (40... Qg4+ 41. Kb3 Qxe2 42. Bc3 Qd3 43. b5 a2 44. Kb4 Qxc3+ 45. Kxc3 a1=Q+ 46. Kc4 Qa4+ 47. Kd5) 41. Ra2 Qc1+? { (-6.50 → -3.92) Mistake. Qg4+ was best. } (41... Qg4+ 42. Kb3) 42. Kb3?! { (-3.92 → -5.98) Inaccuracy. Bc3 was best. } (42. Bc3 h5 43. Kb3 Qe3 44. Rxa3 Qe6+ 45. Ka4 Qc6+ 46. Kb3 Qd5+ 47. Kc2 Qg2+ 48. Bd2 h4) 42... h5?! { (-5.98 → -3.77) Inaccuracy. Qb1+ was best. } (42... Qb1+ 43. Kxa3) 43. Rxa3 Qe3+ 44. Ka4?! { (-4.05 → -5.69) Inaccuracy. Bc3 was best. } (44. Bc3 Qe6+ 45. Kc2 Qe2+ 46. Kb3 Qxh2 47. Ra7 Qg2 48. b5 Qd5+ 49. Kb4 Kh7 50. b6 Qe4+) 44... Qxe5 45. Ka5 Qe2?! { (-6.60 → -4.67) Inaccuracy. Qc7+ was best. } (45... Qc7+ 46. Kb5 Qc6+ 47. Kc4 f5 48. Rd3 Qa6+ 49. Kc3 h4 50. Rd8+ Kh7 51. Rd4 Qa1+ 52. Kc4) 46. b5 Qxh2 47. c6?! { (-4.82 → -7.72) Inaccuracy. Kb6 was best. } (47. Kb6 Qf2) 47... bxc6 48. bxc6 Qc2 49. Kb6 g5?? { (-61.12 → 0.00) Blunder. Qb2+ was best. } (49... Qb2+ 50. Kc7 Qxa3 51. Kb6 Qxg3 52. Kc5 Qc3+ 53. Kb5 Qe5+ 54. Kb6 Qd4+ 55. Kb5 Qd5+ 56. Kb6) 50. Ra8+ Kg7 51. c7 h4 52. Kb7?? { (0.00 → -6.75) Blunder. c8=Q was best. } (52. c8=Q Qb3+ 53. Kc5 Qc3+ 54. Kd5 Qd3+ 55. Ke5 Qe3+ 56. Kf5 Qf3+ 57. Kxg5 f6+ 58. Kxh4 Qh1+) 52... Qxc7+?? { (-6.75 → 0.00) Blunder. hxg3 was best. } (52... hxg3) 53. Kxc7 hxg3 54. Ra3 g2 55. Ra1 g4 56. Rg1 f5 57. Rxg2 f4?? { (0.25 → 6.36) Blunder. Kf6 was best. } (57... Kf6 58. Kd6 f4 59. Kd5 Kf5 60. Kd4 g3 61. Ra2 Kg4 62. Ke4 f3 63. Ke3 f2 64. Ke2) 58. Rxg4+ Kf6 59. Rh4?? { (Mate in 16 → 0.00) Lost forced checkmate sequence. Rxf4+ was best. } (59. Rxf4+ Ke5 60. Ra4 Kd5 61. Kd7 Ke5 62. Kc6 Ke6 63. Ra5 Ke7 64. Re5+ Kf7 65. Kd5 Kf6) 59... Kf5 60. Rh1 Ke5 61. Rg1 Kf5 62. Rf1 Kg5?? { (0.00 → 55.02) Blunder. Ke4 was best. } (62... Ke4 63. Kc6 f3 64. Kd6 Ke3 65. Ke5 f2 66. Ra1 Ke2 67. Ke4 f1=Q 68. Ra2+ Ke1 69. Ra1+) 63. Re1?? { (55.02 → 0.00) Blunder. Kd6 was best. } (63. Kd6 Kg4 64. Ke5 f3 65. Ke4 Kg3 66. Rxf3+ Kg4 67. Rb3 Kg5 68. Ke5 Kg6 69. Rf3 Kg7) 63... Kg4 64. Rf1 Kg5?? { (0.00 → 54.32) Blunder. f3 was best. } (64... f3 65. Kd6 Kf4 66. Kd5 Ke3 67. Ke5 Ke2 68. Rb1 f2 69. Kf4 f1=Q+ 70. Rxf1 Kxf1 71. Kf5) 65. Kd6 Kg4 66. Kd5 Kf5 67. Kd4 Kg6 68. Ke4 Kf6 69. Rxf4+ Ke6 70. Rf5 Kd6 71. Rd5+ Ke7 72. Ke5 Kf7 73. Rd6 Kg7 74. Kf5 Kf7 75. Ke5 Ke7 76. Re6+ Kd7 77. Kd5 Kd8 78. Rh6 Kd7 79. Rg6 Ke7 80. Re6+ Kf7 81. Ke5 Kg7 82. Kf5 Kf7 83. Rf6+ Ke7 84. Re6+ Kd7 85. Kf6 Kc7 86. Ke7 Kc8 87. Rd6 Kc7 88. Ke6 Kb7 89. Kd5 Kc7 90. Kc5 Kb7 91. Rc6 Kb8 92. Kd6 Kb7 93. Kc5 Ka7 94. Kb5 Kb7 95. Kc5 { The game is a draw. } 1/2-1/2
Computer analysisMove timesCrosstableFEN & PGN
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