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Problem 940167: Hitam jalan menang di akhir permainan

Willis Lo (2108) - FM K. O'Chee (2156)
ch-AUS 2020 Sydney AUS, 2020.01.03
  2. 1.c4
  3. Kf6
  4. 2.g3
  5. e6
  6. 3.Gg2
  7. d5
  8. 4.Kf3
  9. Ge7
  10. 5.d4
  11. O-O
  12. 6.Kc3
  13. b6
  14. 7.cxd5
  15. exd5
  16. 8.Ke5
  17. Gb7
  18. 9.Ma4
  19. c5
  20. 10.dxc5
  21. bxc5
  22. 11.O-O
  23. Mb6
  24. 12.e3
  25. Me6
  26. 13.Kd3
  27. Bd8
  28. 14.Kf4
  29. Mb6
  30. 15.Bd1
  31. Gc6
  32. 16.Mb3
  33. Mxb3
  34. 17.axb3
  35. d4
  36. 18.Kb5
  37. Gxg2
  38. 19.Rxg2
  39. Kc6
  40. 20.Ba4
  41. a6
  42. 21.Kc7
  43. Ba7
  44. 22.Kxa6
  45. Bda8
  46. 23.Kxc5
  47. Gxc5
  48. 24.Bc4
  49. Kd7
  50. 25.Kd3
  51. Ka5
  52. 26.Bxc5
  53. Kxc5
  54. 27.Kxc5
  55. dxe3
  56. 28.Gxe3
  57. h6
  58. 29.b4
  59. Kc4
  60. 30.Gd4
  61. Bd8
  62. 31.b5
  63. Bc7
  64. 32.b4
  65. Bcc8
  66. 33.Kb3
  67. Bb8
  68. 34.Bc1
  69. Kd2
  70. 35.Ka5
  71. Bxb5
  72. 36.Ge3
  73. Ke4
  74. 37.Kc6
  75. Be8
  76. 38.Bb1
  77. Kc3
  78. 39.Bb3
  79. Kd5
  80. 40.Gc5
  81. Bc8
  82. 41.Kd4
  83. Bb7
  84. 42.Rf3
  85. Kf6
  86. 43.Be3
  87. Be8
  88. 44.Bxe8+
  89. Kxe8
  90. 45.Re4
  91. Kc7
  92. 46.Rd3
  93. Ke6
  94. 47.Rc4
  95. Kxc5
  96. 48.Rxc5
  97. Rf8
  98. 49.b5
  99. Re8
  100. 50.Rc6
  101. Bd7
  102. 51.Kf5
  103. Bd2
  104. 52.b6
  105. Bc2+
  106. 53.Rd6
  107. Bd2+
  108. 54.Rc7
  109. Bc2+
  110. 55.Rd6
  111. Bd2+
  112. 56.Rc7
  113. Bc2+
  114. 57.Rb8
  115. Bxf2
  116. 58.Kd4
  117. Rd7
  118. 59.b7
  119. Bxh2
  120. 60.Ra7
  121. Ba2+
  122. 61.Rb6
  123. Bb2+
  124. 62.Kb5
  125. Bxb5+
  126. 63.Rxb5
  127. Rc7
  128. 64.Rc5
  129. h5
  130. 65.Rd5
  131. Rxb7
  132. 66.Re5
  133. Rc6
  134. 67.Rf5
  135. Rd5
  136. 68.Rg5
  137. g6
  138. 69.Rf6
  139. Re4
  140. 70.Rxf7
  141. g5
  142. 71.Rg6
    1. Jawaban:71.Rg6
    2. h4
    3. 72.gxh4
      1. 72.Rxg5
      2. h3
      3. 73.g4 with a winning endgame, for example:
      4. Re5
      5. 74.Rh4
      6. h2
      7. 75.Rg3
      8. h1=Q
      1. 72.Rh5
      2. hxg3
      3. 73.Rxg5 with a winning endgame, for example:
      4. g2
      5. 74.Rg4
      6. g1=Q+
    5. 72...gxh4
      1. 72...g4
      2. 73.h5
      3. g3
      4. 74.h6
      5. g2
      6. 75.h7
      7. g1=Q+
      8. 76.Rh6 with a winning endgame, for example:
      9. Rf5
      10. 77.h8=Q
      11. Mg6#
    7. 73.Rg5
      1. 73.Rh5
      2. h3
      3. 74.Rg4
      4. h2
      5. 75.Rh4
      6. h1=Q+
    9. 73...h3
    10. 74.Rh4
      1. 74.Rg4
      2. h2
      3. 75.Rh4
      4. h1=Q+
    12. 74...h2
    13. 75.Rh3
      1. 75.Rg4
      2. h1=Q
      1. 75.Rg3
      2. h1=Q
    15. 75...h1=Q+
      1. 75...h1=R+
  144. 71...h4
0-1
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