Problem 993495: Hitam jalan menang di akhir permainan

Aaron Cooper (1904) - CM Dorian Kang (2019)
Titled Tuesday 1st Sept chess.com INT (3), 2020.09.01
  1. 1.e4
  2. c5
  3. 2.Kf3
  4. d6
  5. 3.d4
  6. cxd4
  7. 4.Kxd4
  8. Kf6
  9. 5.Kc3
  10. a6
  11. 6.h3
  12. e5
  13. 7.Kde2
  14. h5
  15. 8.g3
  16. Ge6
  17. 9.Gg2
  18. Ge7
  19. 10.Ge3
  20. Kbd7
  21. 11.O-O
  22. Bc8
  23. 12.a4
  24. O-O
  25. 13.a5
  26. Mc7
  27. 14.Md2
  28. Kc5
  29. 15.b4
  30. Kcd7
  31. 16.Bfd1
  32. Bfd8
  33. 17.Rh2
  34. Gc4
  35. 18.Bac1
  36. b5
  37. 19.f4
  38. exf4
  39. 20.Kxf4
  40. Be8
  41. 21.Gd4
  42. Ke5
  43. 22.Kcd5
  44. Kxd5
  45. 23.exd5
  46. Gg5
  47. 24.Mf2
  48. Md7
  49. 25.Kxh5
  50. Gxc1
  51. 26.Bxc1
  52. Me7
  53. 27.Mf4
  54. Ge2
  55. 28.g4
  56. Kg6
  57. 29.Mg3
  58. f6
  59. 30.c3
  60. Ke5
  61. 31.Ge4
  62. Kxg4+
  63. 32.hxg4
  64. Mxe4
  65. 33.Gxf6
  66. Mxg4
  67. 34.Kxg7
  68. Mxg3+
  69. 35.Rxg3
  70. Bf8
  71. 36.Gd4
  72. Bf3+
  73. 37.Rg2
  74. Bd3
  75. 38.Be1
  76. Gg4
  77. 39.Ke6
  78. Gxe6
  79. 40.dxe6
  80. Rf8
  81. 41.Gf6
  82. Be8
  83. 42.Rf2
  84. Bd5
  85. 43.Gd4
  86. Re7
  87. 44.Rf3
  88. Bf5+
  89. 45.Rg4
  90. Bff8
  91. 46.Ge3
  92. Bg8+
  93. 47.Gg5+
  94. Rf8
  95. 48.Rf5
  96. Bc8
  97. 49.Rf6
  98. Bxc3
  99. 50.Gh6+
  100. Re8
  101. 51.Bf1
  102. Bh3
  103. 52.Gf4
  104. Bf8+
  105. 53.Rg5
  106. Bb3
  107. 54.Bd1
  108. Bg8+
  109. 55.Rf6
  110. Bxb4
  111. 56.Gxd6
  112. Bbg4
  113. 57.e7
  114. B8g6+
  115. 58.Re5
  116. B4g5+
  117. 59.Rf4
  118. Bh5
  119. 60.Gb4
  120. Bh4+
  121. 61.Rf5
  122. Bxb4
  123. 62.Rxg6
  124. Rxe7
  125. 63.Be1+
  126. Rd6
  127. 64.Bf1
  128. Rc5
  129. 65.Bf6
  130. Bd4
  131. 66.Bxa6
  132. b4
  133. 67.Bb6
  134. Bd6+
  135. 68.Bxd6
  136. Rxd6
  137. 69.Rf5
    1. Jawaban:69.Rf5
    2. b3
    3. 70.Rf6 with a winning endgame, for example:
      1. 70.a6
      2. b2
      3. 71.a7
      4. b1=Q+
      1. 70.Re4
      2. b2
      3. 71.a6 with a winning endgame, for example:
      4. b1=Q+
      5. 72.Rd4
      6. Ma1+
      7. 73.Rd3
      8. Mxa6+
    4. 70...b2
    5. 71.a6
    6. b1=Q
    7. 72.a7
    8. Me4
    9. 73.Rf7
    10. Rc7
    11. 74.Rf8
    12. Rb7
    13. 75.a8=Q+
    14. Rxa8
  138. 69...b3
  139. 70.Re4
  140. b2
  141. 71.a6
  142. b1=Q+
  143. 72.Rd4
  144. Mb6+
0-1
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