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Puzzle 819461: Wit naar winst in het eindspel

WIM S. Otgonjargal (2162) - Chao Sun (2063)
2nd Longtou Cup 2019 Qinhuangdao CHN, 2019.04.25
  2. 1.e4
  3. e5
  4. 2.d4
  5. exd4
  6. 3.Qxd4
  7. Nc6
  8. 4.Qe3
  9. Nf6
  10. 5.Bd2
  11. g6
  12. 6.e5
  13. Ng4
  14. 7.Qe4
  15. Ngxe5
  16. 8.f4
  17. d5
  18. 9.Qe2
  19. Qe7
  20. 10.fxe5
  21. Nd4
  22. 11.Qd3
  23. Qxe5+
  24. 12.Ne2
  25. c5
  26. 13.c3
  27. Nf5
  28. 14.Bf4
  29. Qe6
  30. 15.Na3
  31. c4
  32. 16.Qd2
  33. Bxa3
  34. 17.bxa3
  35. O-O
  36. 18.Rd1
  37. d4
  38. 19.cxd4
  39. Bd7
  40. 20.d5
  41. Qb6
  42. 21.Qb4
  43. Rfe8
  44. 22.Qxb6
  45. axb6
  46. 23.Bc1
  47. Ne3
  48. 24.Bxe3
  49. Rxe3
  50. 25.Kf2
  51. Rexa3
  52. 26.Nc1
  53. b5
  54. 27.Be2
  55. Rc3
  56. 28.Rd4
  57. Rc2
  58. 29.Rhd1
  59. Ra3
  60. 30.R4d2
  61. Rxd2
  62. 31.Rxd2
  63. Rc3
  64. 32.Rd1
  65. Kf8
  66. 33.d6
  67. Ke8
  68. 34.Bf3
  69. Bc6
  70. 35.Bxc6+
  71. bxc6
  72. 36.d7+
  73. Kd8
  74. 37.a4
  75. Ra3
  76. 38.axb5
  77. cxb5
  78. 39.Ne2
  79. Ra6
  80. 40.Nc3
  81. b4
  82. 41.Nd5
  83. b3
  84. 42.Ke3
  85. Kxd7
  86. 43.Kd4
  87. Ra2
  88. 44.Kxc4
  89. Ke8
  90. 45.Ne3
  91. Re2
  92. 46.Kd3
  93. Rf2
  94. 47.Rb1
  95. b2
  96. 48.h3
  97. f5
  98. 49.Kd4
  99. f4
  100. 50.Nc4
  101. Rxg2
  102. 51.Rxb2
  103. Rxb2
  104. 52.Nxb2
  105. g5
  106. 53.Ke4
  107. h5
  108. 54.Nd3
  109. Ke7
  110. 55.Kf5
  111. g4
  112. 56.h4
  113. f3
  114. 57.Kf4
  115. Ke6
  116. 58.Nf2
  117. Kd5
  118. 59.Ne4
  119. Kd4
  120. 60.Nf2
  121. Kd5
  122. 61.Nd3
  123. Kd4
  124. 62.Nf2
  125. Kd5
  126. 63.Ne4
  127. Kd4
  128. 64.Ng3
  129. f2
  130. 65.Nf1
  131. Kd3
  132. 66.Kg3
  133. Ke2
  134. 67.Kg2
  135. g3
  136. 68.Nxg3+
  137. Ke1
  138. 69.Nf1
  139. Ke2
  140. 70.Ng3+
  141. Ke1
  142. 71.Kf3
  143. f1=Q+
  144. 72.Nxf1
  145. Kxf1
  146. 73.Kf4
  147. Kf2
    1. Oplossing:73...Kf2
    2. 74.Kg5
    3. Ke3
      1. 74...Kf3
      2. 75.Kxh5
      3. Kf4
    5. 75.Kxh5
    6. Kf4
      1. 75...Ke4
      2. 76.Kg6
      3. Kf4
      4. 77.h5
      5. Kg4
      6. 78.h6
      7. Kh4 with a winning endgame, for example:
      8. 79.h7
      9. Kg4
      10. 80.h8=Q
    8. 76.Kg6
    9. Kg4
    10. 77.h5
    11. Kh4
    12. 78.h6
      1. 78.Kh6
      2. Kg4
      3. 79.Kg6
      4. Kh4
        1. 79...Kg3 with a winning endgame, for example:
        2. 80.h6
        3. Kf4
        4. 81.h7
        5. Kg4
        6. 82.h8=Q
        1. 79...Kf4 with a winning endgame, for example:
        2. 80.h6
        3. Kg4
        4. 81.h7
        5. Kh4
        6. 82.h8=Q+
    14. 78...Kg4 with a winning endgame, for example:
    15. 79.h7
    16. Kh4
    17. 80.h8=Q+
  149. 74.Kg5
1-0
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