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Puzzle 939793: Zwart naar winst in het eindspel

Christian Lucas Haubold (1387) - Finn Helms (1773)
DEM U10 2019 Willingen GER, 2019.06.10
  2. 1.e4
  3. c6
  4. 2.d4
  5. d5
  6. 3.Nd2
  7. dxe4
  8. 4.Nxe4
  9. Nf6
  10. 5.Ng3
  11. Bg4
  12. 6.Be2
  13. Bxe2
  14. 7.N1xe2
  15. e6
  16. 8.O-O
  17. h5
  18. 9.Qd3
  19. Bd6
  20. 10.Bg5
  21. Qc7
  22. 11.h3
  23. Nbd7
  24. 12.c4
  25. h4
  26. 13.Ne4
  27. Nxe4
  28. 14.Qxe4
  29. Nf6
  30. 15.Qf3
  31. O-O-O
  32. 16.Rfc1
  33. Rdg8
  34. 17.d5
  35. exd5
  36. 18.Bxf6
  37. gxf6
  38. 19.cxd5
  39. c5
  40. 20.b4
  41. b6
  42. 21.a4
  43. Kb8
  44. 22.a5
  45. Qb7
  46. 23.bxc5
  47. Bxc5
  48. 24.axb6
  49. Bxb6
  50. 25.Rab1
  51. Rg5
  52. 26.Qf4+
  53. Ka8
  54. 27.Qxf6
  55. Rhg8
  56. 28.Nf4
  57. Qd7
  58. 29.Qc6+
  59. Qb7
  60. 30.Qxb7+
  61. Kxb7
  62. 31.d6
  63. Rf5
  64. 32.Nd3
  65. Ka6
  66. 33.Rc2
  67. Rd8
  68. 34.Rc6
  69. Kb7
  70. 35.Rc7+
  71. Ka8
  72. 36.Rc6
  73. Rd5
  74. 37.Nf4
  75. R5xd6
  76. 38.Rxd6
  77. Rxd6
  78. 39.Kf1
  79. Kb7
  80. 40.Rc1
  81. Rd2
  82. 41.Ne2
  83. a5
  84. 42.Ke1
  85. Rd5
  86. 43.Rc4
  87. Rf5
  88. 44.f3
  89. Bd8
  90. 45.Kd1
  91. Kb6
  92. 46.Kc2
  93. Rg5
  94. 47.Rg4
  95. Rc5+
  96. 48.Kb3
  97. Rb5+
  98. 49.Kc2
  99. Rb4
  100. 50.Rxb4+
  101. axb4
  102. 51.Nd4
  103. Kc5
  104. 52.Nf5
  105. Kd5
  106. 53.Nh6
  107. Ke6
  108. 54.Ng4
  109. f5
  110. 55.Ne3
  111. Ke5
  112. 56.Kb3
  113. Be7
  114. 57.Kc4
  115. Bg5
  116. 58.Nd5
  117. b3
  118. 59.Nc3
  119. b2
  120. 60.Kb3
  121. Kf4
  122. 61.Nd5+
  123. Kg3
  124. 62.Kxb2
  125. Kxg2
  126. 63.f4
  127. Bxf4
  128. 64.Nxf4+
  129. Kg3
  130. 65.Ng6
  131. f4
  132. 66.Nxf4
  133. Kxf4
  134. 67.Kc3
    1. Oplossing:67.Kc3
    2. Kg3
    3. 68.Kd4
      1. 68.Kd2
      2. Kxh3
      3. 69.Ke3
      1. 68.Kd3
      2. Kxh3
      3. 69.Ke3
      1. 68.Kb4
      2. Kxh3
      3. 69.Ka3 with a winning endgame, for example:
      4. Kg2
      5. 70.Ka2
      6. h3
      7. 71.Ka1
      8. h2
      9. 72.Ka2
      10. h1=Q
    5. 68...Kxh3
    6. 69.Ke3
      1. 69.Ke5 with a winning endgame, for example:
      2. Kg4
      3. 70.Ke4
      4. h3
      5. 71.Ke3
      6. h2
      7. 72.Kf2
      8. h1=Q
    8. 69...Kg2
      1. 69...Kg3
      2. 70.Ke4 with a winning endgame, for example:
        1. 70.Ke2
        2. h3
        3. 71.Kf1
        4. h2
        5. 72.Ke2
        6. h1=Q
      4. 70...h3
      5. 71.Ke3
      6. h2
      7. 72.Ke2
      8. h1=Q
    10. 70.Kf4
      1. 70.Ke2
      2. h3
      3. 71.Ke3 with a winning endgame, for example:
      4. h2
      5. 72.Kf4
      6. h1=Q
    12. 70...h3
    13. 71.Kg4
      1. 71.Kg5 with a winning endgame, for example:
      2. h2
      3. 72.Kf4
      4. h1=Q
    15. 71...h2
      1. 71...Kh2
      2. 72.Kh4
      3. Kg2
      4. 73.Kg4
    17. 72.Kh4
    18. h1=Q+
      1. 72...h1=R+
  136. 67...Kg3
  137. 68.Kd3
  138. Kxh3
  139. 69.Ke3
  140. Kg2
  141. 70.Kf4
  142. h3
  143. 71.Kg4
  144. h2
  145. 72.Kf4
  146. h1=Q
  147. 73.Kg4
  148. Qh3+
  149. 74.Kf4
  150. Kf2
  151. 75.Ke4
  152. Qg3
  153. 76.Kd4
  154. Qf3
  155. 77.Ke5
  156. Qg4
  157. 78.Kd5
  158. Qf4
  159. 79.Kc5
  160. Qe4
  161. 80.Kd6
  162. Qf5
  163. 81.Ke7
  164. Qg6
  165. 82.Kd7
  166. Qf6
  167. 83.Kc7
  168. Qe6
  169. 84.Kd8
  170. Qf7
  171. 85.Kc8
  172. Qe7
  173. 86.Kb8
  174. Qd7
  175. 87.Ka8
  176. Ke3
  177. 88.Kb8
  178. Kd4
  179. 89.Ka8
  180. Kc5
  181. 90.Kb8
  182. Kb6
  183. 91.Ka8
  184. Qa7#
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