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Puzzles (3 cohencoins award for each match):

Puzzle JDZP2: 640

Puzzle 7UPPk: 602

Puzzle IvYl1: 639

FEN
[Event " MrCohenOS Arena"] [Site "https://cohenchessclub.com/seaU8hKO"] [Date "2026.02.01"] [White "Grayson"] [Black "Nikolai"] [Result "1/2-1/2"] [UTCDate "2026.02.01"] [UTCTime "18:18:44"] [WhiteElo "1216"] [BlackElo "1023"] [WhiteRatingDiff "-13"] [BlackRatingDiff "+7"] [Variant "Standard"] [TimeControl "420+2"] [ECO "B01"] [Opening "Scandinavian Defense"] [Termination "Normal"] [Annotator "cohenchessclub.com"] 1. e4 d5 { B01 Scandinavian Defense } 2. d3?! { (0.87 → -0.12) Inaccuracy. exd5 was best. } (2. exd5) 2... dxe4 3. dxe4 Qxd1+ 4. Kxd1 Nf6 5. Nc3 Bg4+?! { (-0.27 → 0.59) Inaccuracy. Nc6 was best. } (5... Nc6 6. f3 Bd7 7. Be3 O-O-O 8. Ke1 Ne8 9. h4 e5 10. Nh3 h6 11. h5 Be6 12. a3) 6. Nf3?! { (0.59 → -0.25) Inaccuracy. f3 was best. } (6. f3 Bd7 7. Bf4 Kd8 8. Be3 Nc6 9. a3 a6 10. h4 Ke8 11. Nd5 Rc8 12. h5 e6) 6... Bxf3+ 7. gxf3 e6 8. Bc4? { (0.47 → -0.58) Mistake. Nb5 was best. } (8. Nb5 Kd7) 8... Bb4?! { (-0.58 → -0.04) Inaccuracy. Nc6 was best. } (8... Nc6 9. Be3) 9. Bg5?! { (-0.04 → -0.65) Inaccuracy. Nb5 was best. } (9. Nb5 Ba5) 9... Bxc3?! { (-0.65 → 0.03) Inaccuracy. Nc6 was best. } (9... Nc6 10. Be3 O-O-O+ 11. Kc1 Be7 12. Be2 Nd4 13. Bd1 e5 14. Nb1 Ne6 15. a4 a6 16. Nd2) 10. bxc3 O-O 11. Bxf6? { (0.45 → -0.62) Mistake. Rg1 was best. } (11. Rg1 Nh5 12. Rb1 b6 13. Be3 Nd7 14. f4 Nc5 15. Bd3 Na4 16. Rb3 h6 17. Ke2 Nc5) 11... gxf6 12. Rg1+ Kh8 13. f4 Na6? { (-0.50 → 0.93) Mistake. Nd7 was best. } (13... Nd7 14. Bd3) 14. e5?? { (0.93 → -0.86) Blunder. Bxa6 was best. } (14. Bxa6 bxa6 15. Ke2 f5 16. exf5 exf5 17. Rad1 Rae8+ 18. Kf3 Re6 19. Rd4 Rc6 20. c4 Rg8) 14... fxe5?! { (-0.86 → -0.09) Inaccuracy. Nc5 was best. } (14... Nc5 15. exf6) 15. fxe5?! { (-0.09 → -0.69) Inaccuracy. Bxa6 was best. } (15. Bxa6 bxa6 16. fxe5 Rab8 17. f4 f6 18. Ke2 fxe5 19. fxe5 Rb5 20. c4 Rxe5+ 21. Kd3 Rh5) 15... Nc5 16. Rb1 Ne4?? { (-1.07 → 0.53) Blunder. f6 was best. } (16... f6 17. exf6 Rxf6 18. Ke2 b6 19. f3 Raf8 20. Rbf1 Rf4 21. Bb5 Rh4 22. Rf2 e5 23. Rg3) 17. Bd3?? { (0.53 → -6.76) Blunder. Rxb7 was best. } (17. Rxb7 Rfb8 18. Rb3 Nxf2+ 19. Kc1 Ne4 20. Rg4 Nc5 21. Rb5 Nd7 22. Ra5 c5 23. Rf4 Kg7) 17... Nxf2+?? { (-6.76 → -0.15) Blunder. Nxc3+ was best. } (17... Nxc3+ 18. Kd2 Nxb1+ 19. Rxb1 b6 20. Rb4 f5 21. Ke3 Rg8 22. Bc4 Rg6 23. a4 a5 24. Rb3) 18. Ke2 Nxd3 19. cxd3 Rad8? { (-0.31 → 0.71) Mistake. b6 was best. } (19... b6 20. Rgf1 Rad8 21. Rf6 c5 22. Rbf1 Rd5 23. Rxe6 fxe6 24. Rxf8+ Kg7 25. Ra8 Rxe5+ 26. Kf3) 20. Rxb7 c5? { (0.80 → 1.95) Mistake. Rd5 was best. } (20... Rd5 21. Rxc7 Rxe5+ 22. Kd2 Ra5 23. Ke3 Rxa2 24. c4 Rxh2 25. c5 f5 26. Rgg7 e5 27. c6) 21. Rxa7 Rc8?! { (1.69 → 2.84) Inaccuracy. Rd5 was best. } (21... Rd5 22. Rg5 h6 23. Rh5 Kh7 24. c4 Rdd8 25. Rh3 Ra8 26. Rc7 Rxa2+ 27. Ke3 Ra5 28. Rf3) 22. d4?? { (2.84 → 0.56) Blunder. Rf1 was best. } (22. Rf1 Kg7 23. a4 Rb8 24. h3 Rb3 25. Kd2 Rb2+ 26. Ke3 Rb3 27. c4 Ra3 28. Rc7 h5) 22... cxd4 23. cxd4 Rcd8?? { (0.46 → 2.19) Blunder. Rc2+ was best. } (23... Rc2+ 24. Kd3 Rfc8 25. Rg3 R8c3+ 26. Ke4 Re2+ 27. Kf4 Rf2+ 28. Kg4 Rc8 29. Rf3 h5+ 30. Kg3) 24. Rc7?? { (2.19 → 0.00) Blunder. Kd3 was best. } (24. Kd3 Rd5 25. Rg4 Rb5 26. Rf4 Kg8 27. a4 Rb2 28. Rg4+ Kh8 29. h4 h5 30. Rg5 Rh2) 24... Rxd4 25. a4?! { (0.00 → -0.87) Inaccuracy. Rf1 was best. } (25. Rf1 Kg7 26. Rg1+ Kh6 27. Rf1) 25... Rxa4 26. Rf1 Rh4?! { (-0.97 → 0.00) Inaccuracy. Kg7 was best. } (26... Kg7 27. Rg1+) 27. Rh1?? { (0.00 → -4.88) Blunder. Rfxf7 was best. } (27. Rfxf7 Rxh2+ 28. Kf3 Kg8 29. Rxf8+ Kxf8 30. Kg4 h6 31. Rh7 Ke8 32. Ra7 Rh1 33. Rh7) 27... Kg7?? { (-4.88 → -0.82) Blunder. Re4+ was best. } (27... Re4+ 28. Kd3) 28. Ke3?? { (-0.82 → -4.38) Blunder. Rg1+ was best. } (28. Rg1+ Kh6 29. Rf1 Re4+ 30. Kd3 Rxe5 31. Rfxf7 Rxf7 32. Rxf7 Kg6 33. Rf2 Kg5 34. Rf3 Kg4) 28... Rh5? { (-4.38 → -2.56) Mistake. Ra8 was best. } (28... Ra8 29. Rg1+ Kf8 30. Kf2 Rxh2+ 31. Kg3 Raa2 32. Rb7 Rhf2 33. Rb8+ Kg7 34. Kh3+ Kh6 35. Rbg8) 29. Ke4 Rh3?! { (-2.16 → -1.25) Inaccuracy. Rh4+ was best. } (29... Rh4+) 30. Kf4? { (-1.25 → -2.77) Mistake. Rg1+ was best. } (30. Rg1+) 30... Rd3? { (-2.77 → -1.12) Mistake. h5 was best. } (30... h5 31. Rg1+ Kh6 32. Rc2 Ra8 33. Rg3 Ra4+ 34. Kf3 Rhh4 35. Kg2 Rae4 36. Rc7 Rhf4 37. Rc8) 31. Ke4?? { (-1.12 → -3.11) Blunder. Rg1+ was best. } (31. Rg1+ Kh6) 31... Rd2?? { (-3.11 → -0.78) Blunder. Rfd8 was best. } (31... Rfd8 32. Rg1+ Kh6 33. Rc4 Rh3 34. Rc7 Rh4+ 35. Kf3 Rd3+ 36. Kg2 Rg4+ 37. Kh1 Rxg1+ 38. Kxg1) 32. Ke3?! { (-0.78 → -1.58) Inaccuracy. Rg1+ was best. } (32. Rg1+) 32... Ra2?! { (-1.58 → -0.54) Inaccuracy. Rg2 was best. } (32... Rg2) 33. Ke4?? { (-0.54 → -3.04) Blunder. Rg1+ was best. } (33. Rg1+ Kh8 34. Rf1 Rxh2 35. Rcxf7 Rxf7 36. Rxf7 Rg2 37. Kd4 Kg8 38. Rf6 Rg6 39. Rf3 h5) 33... Kg6?? { (-3.04 → -0.97) Blunder. Re2+ was best. } (33... Re2+) 34. Kd4?? { (-0.97 → -3.43) Blunder. Rg1+ was best. } (34. Rg1+ Kh5) 34... f6?? { (-3.43 → 0.00) Blunder. Rd8+ was best. } (34... Rd8+) 35. exf6 Rxf6 36. Ke5 h5?? { (-0.33 → 53.77) Blunder. Ra5+ was best. } (36... Ra5+ 37. Ke4 h6 38. Rg1+ Rg5 39. Rxg5+ hxg5 40. Rc8 Rf5 41. h3 Kg7 42. Ke3 Rf1 43. Rc3) 37. Rc4?? { (53.77 → -1.59) Blunder. Rg1+ was best. } (37. Rg1+ Kh6 38. Kxf6 Rf2+ 39. Ke7 Rf4 40. Rc8 Kh7 41. Rcg8 Rf2 42. R1g7+ Kh6 43. Rg3 Kh7) 37... Re2+ 38. Re4?? { (-1.21 → -6.60) Blunder. Kd6 was best. } (38. Kd6 Rff2 39. Ke7 Kf5 40. Rc8 e5 41. Rh8 Kf4 42. Rxh5 e4 43. Rh6 Ra2 44. Rf6+ Ke3) 38... Rxe4+?? { (-6.60 → -0.44) Blunder. Rf5+ was best. } (38... Rf5+ 39. Kd6 Rxe4 40. Ke7 Rf7+ 41. Kd6 Ra7 42. Rf1 Re3 43. h3 Kg5 44. Rc1 Kf6 45. Rf1+) 39. Kxe4 Kg5 40. h4+ Kg6 41. Ke5 Kf7 42. Rg1 Rf3 43. Rg5 Re3+ 44. Kd6 Rd3+ 45. Ke5 Re3+ 46. Kd6 Kf6 47. Rxh5 Rh3 48. Rh6+ Kf5 49. h5 e5 50. Kd5 Kf4 51. Rf6+ Kg5 52. Kxe5 Kxh5 53. Kf5 Rf3+ 54. Ke6 Re3+ 55. Kf5 Rf3+ 56. Ke6 Kg4 57. Rg6+ Kf4 58. Rf6+ Ke4 59. Rf7 Rd3 60. Re7 Kd4 61. Rd7+ Kc3 62. Rc7+ Kd2 63. Rd7 Ke3 64. Re7 Kd2 65. Rd7 Kc3 66. Rc7+ Kd4 67. Rd7+ Ke3 68. Re7 Kd2 69. Rd7 Kc2 70. Rc7+ Rc3 71. Rd7 Re3+ 72. Kd6 Rd3+ 73. Kc7 Rc3+ 74. Kd8 Kb3 75. Rb7+ Kc4 76. Rc7+ Kd3 77. Rd7+ Kc2 78. Rc7 Kb3 79. Rb7+ Kc2 80. Rc7 Kd2 81. Rd7+ Rd3 82. Ke7 Kc3 83. Rc7+ Kd4 84. Rd7+ Kc3 85. Ke8 Re3+ 86. Kd8 Rd3 87. Ke7 Re3+ 88. Kd8 Rd3 89. Kc7 Kd2 90. Re7 Rc3+ 91. Kd8 Rd3+ 92. Ke8 Re3 93. Kf7 Ke2 94. Ke8 Kf3 95. Kf7 Ke2 96. Ke8 Kd3 97. Kd7 Re4 98. Ke8 Kd4 99. Kd7 Ke3 100. Ke8 Kf4 101. Kf7 Re5 102. Ke8 Ke4 { The game is a draw. } 1/2-1/2
Computer analysisMove timesCrosstableFEN & PGN
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