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Puzzle 945084: Zwart naar winst in het eindspel

GM Chongsheng Zeng (2544) - GM Yinglun Xu (2554)
TCh-CHN 2019 China CHN, 2019.08.22
  2. 1.e4
  3. e6
  4. 2.d4
  5. d5
  6. 3.Nc3
  7. Nf6
  8. 4.e5
  9. Nfd7
  10. 5.f4
  11. c5
  12. 6.Nf3
  13. Nc6
  14. 7.Be3
  15. a6
  16. 8.Qd2
  17. b5
  18. 9.dxc5
  19. Bxc5
  20. 10.Bd3
  21. Qb6
  22. 11.Bf2
  23. h6
  24. 12.O-O
  25. Bxf2+
  26. 13.Rxf2
  27. O-O
  28. 14.a3
  29. f6
  30. 15.exf6
  31. Nxf6
  32. 16.Kh1
  33. Bd7
  34. 17.Re2
  35. d4
  36. 18.Na2
  37. Nd5
  38. 19.Re4
  39. Nf6
  40. 20.Re2
  41. Nd5
  42. 21.Re4
  43. Nf6
  44. 22.Qe2
  45. Rae8
  46. 23.Nb4
  47. Nxb4
  48. 24.axb4
  49. Bc6
  50. 25.Re5
  51. Ng4
  52. 26.Rc5
  53. Rxf4
  54. 27.Bg6
  55. Re7
  56. 28.Ne5
  57. Nxe5
  58. 29.Qxe5
  59. Rf6
  60. 30.Be4
  61. Ref7
  62. 31.Kg1
  63. Bxe4
  64. 32.Qxe4
  65. Rf4
  66. 33.Qd3
  67. Qb7
  68. 34.Qd2
  69. Qe4
  70. 35.Re1
  71. d3
  72. 36.h3
  73. Qd4+
  74. 37.Kh2
  75. Rf2
  76. 38.Rc8+
  77. Kh7
  78. 39.Qxd3+
  79. Qxd3
  80. 40.cxd3
  81. Rxb2
  82. 41.Re4
  83. Rf6
  84. 42.Rg4
  85. Rg6
  86. 43.Rc6
  87. Rxg4
  88. 44.hxg4
  89. Rxb4
  90. 45.Rxa6
  91. Rxg4
  92. 46.Rxe6
  93. Rg6
  94. 47.Re4
  95. Rb6
  96. 48.Rb4
  97. Kg6
  98. 49.Kg3
  99. Kf5
  100. 50.Kf3
  101. h5
  102. 51.g3
  103. g5
  104. 52.Ke3
  105. Ke5
  106. 53.Re4+
  107. Kd5
  108. 54.Rd4+
  109. Kc5
  110. 55.Re4
  111. b4
  112. 56.Re5+
  113. Kd6
  114. 57.Rxg5
  115. b3
  116. 58.Rg6+
  117. Kc7
  118. 59.Rxb6
  119. Kxb6
  120. 60.Kd2
  121. Kb5
  122. 61.Kc1
  123. Kc5
  124. 62.Kd1
  125. Kd4
  126. 63.Kd2
  127. b2
  128. 64.Kc2
  129. Ke3
  130. 65.d4
  131. Kxd4
  132. 66.Kxb2
  133. Ke3
  134. 67.Kc3
  135. Kf3
  136. 68.Kd2
  137. Kxg3
  138. 69.Ke1
    1. Oplossing:69.Ke1
    2. Kg2
    3. 70.Ke2
      1. 70.Kd2 with a winning endgame, for example:
      2. h4
      3. 71.Ke1
      4. h3
      5. 72.Ke2
      6. h2
      7. 73.Ke1
      8. h1=Q+
    5. 70...h4
    6. 71.Ke3
    7. h3
      1. 71...Kg1
      2. 72.Kf3
        1. 72.Kf4
        2. h3
        3. 73.Kg3
        4. h2
        5. 74.Kh3
        6. h1=Q+
        1. 72.Ke2
        2. h3
        3. 73.Kf3
        4. h2
        5. 74.Kg3
        6. h1=Q
      4. 72...h3
      5. 73.Kg3
      6. h2
      7. 74.Kh3
      8. h1=Q+
        1. 74...h1=R+
      1. 71...Kg3
      2. 72.Ke4 with a winning endgame, for example:
        1. 72.Ke2
        2. h3
        3. 73.Kf1
        4. h2
        5. 74.Ke2
        6. h1=Q
      4. 72...h3
      5. 73.Ke3
      6. h2
      7. 74.Ke2
      8. h1=Q
    9. 72.Kf4 with a winning endgame, for example:
      1. 72.Ke2
      2. h2
      3. 73.Ke1
      4. h1=Q+
    11. 72...h2
    12. 73.Kg4
    13. h1=Q
  140. 69...Kg2
0-1

This puzzle is part of the following Puzzle Academy skills:
  • Winning with the rook pawn
ChessPuzzle.net version 3
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