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Puzzle 603044: Zwart naar Verdedigen en winnen

J. Ken MacDonald - A. Neiderhoffer
J-7 CCCA (1), 1963.01.21
  2. 1.Nf3
  3. d5
  4. 2.c4
  5. d4
  6. 3.e3
  7. Nc6
  8. 4.exd4
  9. Nxd4
  10. 5.Nxd4
  11. Qxd4
  12. 6.Nc3
  13. Bg4
  14. 7.Be2
  15. Bxe2
  16. 8.Qxe2
  17. O-O-O
  18. 9.b3
  19. Nf6
  20. 10.Bb2
  21. e6
  22. 11.Rd1
  23. Be7
  24. 12.Qe3
  25. e5
  26. 13.Na4
  27. Qxe3+
  28. 14.dxe3
  29. Rxd1+
  30. 15.Kxd1
  31. Rd8+
  32. 16.Ke2
  33. e4
  34. 17.h3
  35. g6
  36. 18.Rd1
  37. Rxd1
  38. 19.Kxd1
  39. Nd7
  40. 20.Bd4
  41. b6
  42. 21.Nc3
  43. f5
  44. 22.f3
  45. exf3
  46. 23.gxf3
  47. Nf8
  48. 24.Nd5
  49. Bd6
  50. 25.e4
  51. fxe4
  52. 26.fxe4
  53. Ne6
  54. 27.Be3
  55. c6
  56. 28.Nc3
  57. Bf4
  58. 29.Ke2
  59. Bxe3
  60. 30.Kxe3
  61. Kd7
  62. 31.e5
  63. Ng5
  64. 32.h4
  65. Nf7
  66. 33.Kf4
  67. Ke6
  68. 34.Ne2
  69. Nxe5
  70. 35.Nd4+
  71. Kf6
  72. 36.a3
  73. h6
  74. 37.a4
  75. g5+
  76. 38.hxg5+
  77. hxg5+
  78. 39.Kg3
  79. c5
  80. 40.Nb5
  81. a6
  82. 41.Nc7
    1. Oplossing:41.Nc7
      1. Dreigend:
      2. 42.Nxa6
    3. a5
    4. 42.Nd5+
      1. Nu als42.Na6
      2. Kf5
    6. 42...Kf5 Black is winning because of Black's material advantage, better king safety and piece activity.
  84. 41...a5
  85. 42.Nd5+
  86. Kf5
  87. 43.Nxb6
  88. Nd3
  89. 44.Nd7
  90. Ke6
  91. 45.Nf8+
  92. Ke7
  93. 46.Nh7
  94. Nc1
  95. 47.Nxg5
  96. Nxb3
  97. 48.Ne4
  98. Ke6
  99. 49.Kf4
  100. Kd7
  101. 50.Ke3
  102. Kc6
  103. 51.Kd3
  104. Nd4
  105. 52.Nc3
  106. Ne6
  107. 53.Nb5
  108. Nf8
  109. 54.Ke4
  110. Nd7
  111. 55.Kd3
  112. Nb6
  113. 56.Nc3
  114. Kd6
  115. 57.Ne4+
  116. Kc6
  117. 58.Nc3
  118. Kd7
  119. 59.Nd5
  120. Nxa4
  121. 60.Kc2
  122. Kc6
  123. 61.Kb3
  124. Nb6
  125. 62.Nxb6
  126. Kxb6
  127. 63.Ka4
  128. Ka6
  129. 64.Kb3
  130. Kb7
  131. 65.Ka4
  132. Kb6
  133. 66.Kb3
  134. Kc6
  135. 67.Ka4
  136. Kb6
  137. 68.Kb3
1/2-1/2
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