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Oppgave 198648: Sort å vinn

IM Leonardo Valdes Romero (2402) - Elijah Logozar (2036)
Titled Tuesday 29th Sept chess.com INT (8), 2020.09.29
  2. 1.Sf3
  3. d5
  4. 2.g3
  5. Sf6
  6. 3.Lg2
  7. g6
  8. 4.O-O
  9. Lg7
  10. 5.d3
  11. O-O
  12. 6.Sbd2
  13. c6
  14. 7.e4
  15. dxe4
  16. 8.dxe4
  17. Dc7
  18. 9.De2
  19. e5
  20. 10.a4
  21. h6
  22. 11.b3
  23. Le6
  24. 12.Lb2
  25. Sfd7
  26. 13.Sc4
  27. Sa6
  28. 14.Tad1
  29. Tfd8
  30. 15.Sh4
  31. Sf8
  32. 16.Lc3
  33. Txd1
  34. 17.Txd1
  35. Td8
  36. 18.Txd8
  37. Dxd8
  38. 19.Sxe5
  39. Dc7
  40. 20.f4
  41. g5
  42. 21.Shf3
  43. gxf4
  44. 22.gxf4
  45. f5
  46. 23.exf5
  47. Lxf5
  48. 24.Sd4
  49. Lc8
  50. 25.Dc4+
  51. Kh8
  52. 26.Sf7+
  53. Kh7
  54. 27.Le4+
  55. Sg6
  56. 28.f5
  57. Lxd4+
  58. 29.Lxd4
  59. Sh4
  60. 30.f6+
  61. Lf5
  62. 31.Dd3
  63. Df4
  64. 32.Lxf5+
  65. Sxf5
  66. 33.Lf2
  67. Sb4
  68. 34.Dd7
  69. Dg4+
  70. 35.Lg3
  71. Dd4+
  72. 36.Dxd4
  73. Sxd4
  74. 37.Sd6
  75. Se2+
  76. 38.Kf2
  77. Sxg3
  78. 39.hxg3
  79. Sxc2
  80. 40.Sxb7
  81. Kg6
  82. 41.Sd8
  83. Sd4
  84. 42.f7
  85. Kg7
  86. 43.b4
  87. a6
  88. 44.a5
  89. Sc2
  90. 45.Sxc6
  91. Kxf7
  92. 46.Kf3
  93. Ke6
  94. 47.Ke4
  95. Kd6
  96. 48.Kd3
  97. Se1+
  98. 49.Ke2
  99. Kxc6
  100. 50.Kxe1
  101. Kb5
  102. 51.Ke2
  103. Kxb4
  104. 52.Kf3
  105. Kxa5
  106. 53.Kg4
  107. Kb4
  108. 54.Kh5
    1. Løsning:54.Kh5
    2. a5
    3. 55.g4
      1. 55.Kxh6
      2. a4
      3. 56.g4
    5. 55...a4
    6. 56.Kxh6
      1. 56.Kg6 with a winning endgame, for example:
      2. a3
      3. 57.Kxh6
      4. a2
      5. 58.g5
      6. a1=Q
      1. 56.g5
      2. hxg5
      3. 57.Kxg5 with a winning endgame, for example:
      4. a3
      5. 58.Kg4
      6. a2
      7. 59.Kf3
      8. a1=Q
    8. 56...a3
    9. 57.g5
      1. 57.Kh7 with a winning endgame, for example:
      2. a2
      3. 58.g5
      4. a1=Q
      1. 57.Kg7 with a winning endgame, for example:
      2. a2
      3. 58.g5
      4. a1=Q+
    11. 57...a2
    12. 58.g6
      1. 58.Kh7 with a winning endgame, for example:
      2. a1=Q
    14. 58...a1=Q
  110. 54...a5
  111. 55.Kxh6
  112. a4
  113. 56.g4
  114. a3
  115. 57.g5
  116. a2
  117. 58.g6
  118. a1=Q
  119. 59.g7
  120. Dh1+
  121. 60.Kg6
  122. Dg2+
  123. 61.Kf7
  124. Df3+
  125. 62.Ke7
  126. Dg4
  127. 63.Kf7
  128. Df5+
  129. 64.Ke7
  130. Dg6
  131. 65.Kf8
  132. Df6+
  133. 66.Kg8
  134. Kc5
  135. 67.Kh7
  136. Df7
  137. 68.Kh8
  138. Dh5+
  139. 69.Kg8
  140. Kd6
  141. 70.Kf8
  142. Df5+
  143. 71.Ke8
  144. Dg6+
  145. 72.Kf8
  146. Df6+
  147. 73.Kg8
  148. Ke6
  149. 74.Kh7
  150. Df7
  151. 75.Kh8
  152. Dh5+
  153. 76.Kg8
  154. Kf6
  155. 77.Kf8
  156. Df7#
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