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Puzzle 656300: Wit naar Verdedig

GM Ni Davies (2441) - P. Ackley (1960)
28th 4NCL Congress 2022 Leamington Spa ENG, 2022.07.10
  2. 1.d4
  3. d6
  4. 2.Nf3
  5. g6
  6. 3.e4
  7. Bg7
  8. 4.c3
  9. Nf6
  10. 5.Bd3
  11. O-O
  12. 6.O-O
  13. Nc6
  14. 7.Re1
  15. e5
  16. 8.Nbd2
  17. Nh5
  18. 9.Nb3
  19. h6
  20. 10.Bf1
  21. a5
  22. 11.a4
  23. Qf6
  24. 12.d5
  25. Nd8
  26. 13.g3
  27. Qe7
  28. 14.Bd2
  29. b6
  30. 15.Nc1
  31. Bd7
  32. 16.Nd3
  33. Qe8
  34. 17.Nh4
  35. f5
  36. 18.exf5
  37. gxf5
  38. 19.f4
  39. e4
  40. 20.Nf2
  41. Nf6
  42. 21.Be3
  43. Qf7
  44. 22.Bc4
  45. Kh7
  46. 23.Ng2
  47. Rg8
  48. 24.Bd4
  49. Ng4
  50. 25.Nxg4
  51. Bxd4+
  52. 26.Qxd4
  53. Rxg4
  54. 27.Be2
  55. Rg8
  56. 28.Qd1
  57. Qg7
  58. 29.Ne3
  59. Nf7
  60. 30.Kh1
  61. Nh8
  62. 31.Rg1
  63. Ng6
  64. 32.Bb5
  65. Bxb5
  66. 33.axb5
  67. Qf7
  68. 34.b4
  69. Ne7
  70. 35.bxa5
  71. Rxa5
  72. 36.Rxa5
  73. bxa5
  74. 37.Rg2
  75. Ra8
  76. 38.Qa4
  77. Nc8
  78. 39.g4
  79. Nb6
  80. 40.Qd4
  81. Qg7
  82. 41.Qxg7+
  83. Kxg7
  84. 42.Nxf5+
  85. Kg6
  86. 43.Ne3
  87. a4
  88. 44.h4
  89. a3
  90. 45.Ra2
  91. Ra5
  92. 46.Kg2
  93. Rxb5
  94. 47.Rxa3
  95. Nxd5
  96. 48.Nxd5
  97. Rxd5
  98. 49.h5+
  99. Kf6
  100. 50.c4
  101. Rd4
  102. 51.c5
  103. Rd2+
  104. 52.Kg3
  105. Rd3+
  106. 53.Rxd3
  107. exd3
  108. 54.cxd6
  109. d2
    1. Oplossing:54...d2
      1. Dreigend:
      2. 55...cxd6
      3. 56.Kf3
      4. d1=Q+
    3. 55.dxc7
    4. d1=Q
    5. 56.c8=Q
      1. 56.g5+
      2. hxg5
      3. 57.fxg5+
        1. 57.c8=Q
      5. 57...Kxg5
      6. 58.c8=Q
    7. 56...Qg1+
    8. 57.Kf3
      1. 57.Kh3
  111. 55.dxc7
  112. d1=Q
  113. 56.c8=Q
  114. Qg1+
  115. 57.Kf3
  116. Qf1+
  117. 58.Kg3
  118. Qg1+
  119. 59.Kf3
  120. Qf1+
  121. 60.Kg3
1/2-1/2
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