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Puzzle 778613: Zwart naar winst in het eindspel

WIM I. Krasenkova (2124) - IM R. Mantovani (2246)
World Senior 50+ 2022 Assisi ITA, 2022.11.19
  2. 1.d4
  3. Nf6
  4. 2.c4
  5. e6
  6. 3.Nc3
  7. d5
  8. 4.Nf3
  9. c6
  10. 5.e3
  11. Nbd7
  12. 6.Qc2
  13. Be7
  14. 7.b3
  15. O-O
  16. 8.Bd3
  17. dxc4
  18. 9.bxc4
  19. c5
  20. 10.O-O
  21. cxd4
  22. 11.exd4
  23. b6
  24. 12.Rd1
  25. Bb7
  26. 13.Qe2
  27. Rc8
  28. 14.Bf4
  29. a6
  30. 15.a4
  31. Re8
  32. 16.Ne5
  33. Bb4
  34. 17.Na2
  35. Bf8
  36. 18.Rab1
  37. g6
  38. 19.a5
  39. Ba8
  40. 20.Bg5
  41. Be7
  42. 21.axb6
  43. Nxb6
  44. 22.c5
  45. Qd5
  46. 23.Nf3
  47. Na4
  48. 24.Bxa6
  49. Rb8
  50. 25.Bb5
  51. Qf5
  52. 26.Bxf6
  53. Bxf6
  54. 27.Bxe8
  55. Bxf3
  56. 28.Qxf3
  57. Qxb1
  58. 29.Bxa4
  59. Qxa2
  60. 30.Qf4
  61. Rb4
  62. 31.Qxf6
  63. Qxa4
  64. 32.Rf1
  65. Rxd4
  66. 33.c6
  67. Rd1
  68. 34.g3
  69. Rxf1+
  70. 35.Kxf1
  71. Qc4+
  72. 36.Ke1
  73. Qxc6
  74. 37.h4
  75. Qe4+
  76. 38.Kf1
  77. e5
  78. 39.Kg1
  79. Qf5
  80. 40.Qd8+
  81. Kg7
  82. 41.Qd5
  83. h5
  84. 42.Qc5
  85. Qe4
  86. 43.Qe7
  87. Qd4
  88. 44.Kg2
  89. Qd5+
  90. 45.Kg1
  91. e4
  92. 46.Qa7
  93. Qd1+
  94. 47.Kh2
  95. Qf3
  96. 48.Qd4+
  97. Qf6
  98. 49.Qe3
  99. Qf5
  100. 50.Qd4+
  101. f6
  102. 51.Qa7+
  103. Kh6
  104. 52.Qe3+
  105. g5
  106. 53.hxg5+
  107. fxg5
  108. 54.Qb6+
  109. Kg7
  110. 55.Qa7+
  111. Qf7
  112. 56.Qe3
  113. Qf5
  114. 57.Qa7+
  115. Kg6
  116. 58.Qb6+
  117. Qf6
  118. 59.Qe3
  119. Qe6
  120. 60.Qc5
  121. h4
  122. 61.gxh4
  123. gxh4
  124. 62.Qd4
  125. Kf5
  126. 63.Qe3
  127. Qd6+
  128. 64.Kg2
  129. Qf4
  130. 65.Qc5+
  131. Kg4
  132. 66.Qc8+
  133. Qf5
  134. 67.Qg8+
  135. Qg5
  136. 68.Qb3
  137. Kf4+
  138. 69.Kh2
  139. Qf5
  140. 70.Qe3+
  141. Kg4
  142. 71.Qa7
  143. Qf4+
  144. 72.Kg1
  145. Kh3
  146. 73.Kf1
  147. Qg4
  148. 74.Qd4
  149. Qf3
  150. 75.Ke1
  151. Kg2
  152. 76.Qg7+
  153. Kh1
  154. 77.Qg5
  155. h3
  156. 78.Qg7
  157. h2
  158. 79.Qa1
  159. e3
  160. 80.Qb2
  161. Qg2
  162. 81.Qe2
  163. Qg1+
  164. 82.Qf1
    1. Oplossing:82.Qf1
    2. Qxf1+ De zwarte dame slaat de dame van wit, die het veld e2 verdedigde. De zwarte dame ruilt en lokt de koning van wit naar het veld f1.
    3. 83.Kxf1
    4. e2+ De zwarte pion leidt de koning van wit af, weg van de bescherming van het veld g2.
    5. 84.Kxe2
      1. 84.Ke1
      2. Kg1
      3. 85.f3 with a winning endgame, for example:
      4. h1=Q
    7. 84...Kg2
      1. 84...Kg1
      2. 85.f4
      3. h1=Q
        1. 85...Kg2
        2. 86.f5 with a winning endgame, for example:
        3. h1=Q
        1. 85...h1=R
        2. 86.Kf3 with a winning endgame, for example:
        3. Kh2
        4. 87.Kg4
        5. Kg2
        6. 88.f5
        7. Rf1
        8. 89.Kg5
        9. Kf3
        10. 90.f6
        11. Ke4
        12. 91.Kg6
        13. Ke5
        14. 92.f7
        15. Ke6
        16. 93.f8=Q
        17. Rxf8
    9. 85.Kd3
      1. 85.f4 with a winning endgame, for example:
      2. h1=Q
      1. 85.Ke3 with a winning endgame, for example:
      2. h1=Q
    11. 85...h1=Q
      1. 85...Kxf2
      2. 86.Kd2
      3. h1=Q
        1. 86...h1=R
      1. 85...h1=R
      2. 86.f4 with a winning endgame, for example:
        1. 86.Ke3 with a winning endgame, for example:
        2. Re1+
        3. 87.Kd4
        4. Kxf2
        1. 86.Ke4
        2. Kxf2
        1. 86.Ke2 with a winning endgame, for example:
        2. Rh3
        3. 87.f4
        4. Rf3
        5. 88.f5
        6. Rxf5
      4. 86...Kf3
      5. 87.f5
      6. Rh4
      7. 88.f6
      8. Rf4
      9. 89.f7
      10. Rxf7
  166. 82...Qxf1+
  167. 83.Kxf1
  168. e2+
  169. 84.Kxe2
  170. Kg2
  171. 85.f4
  172. h1=Q
  173. 86.Ke3
  174. Kg3
0-1
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