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Puzzle 340225: Zwart naar Verdedigen en winnen

Maximilian Stepanov - Richard Bethke (2223)
U12 German Championship Willingen (4), 2017.06.05
  2. 1.d4
  3. Nf6
  4. 2.g3
  5. d5
  6. 3.Bg2
  7. e6
  8. 4.Nf3
  9. Nbd7
  10. 5.Bg5
  11. h6
  12. 6.Bxf6
  13. Qxf6
  14. 7.c3
  15. b6
  16. 8.Nbd2
  17. Bb7
  18. 9.Qc2
  19. c5
  20. 10.e3
  21. Rc8
  22. 11.Qa4
  23. Bc6
  24. 12.Qd1
  25. Be7
  26. 13.O-O
  27. O-O
  28. 14.Re1
  29. Qf5
  30. 15.Qb1
  31. Qxb1
  32. 16.Raxb1
  33. f5
  34. 17.Kh1
  35. c4
  36. 18.Ng1
  37. b5
  38. 19.f4
  39. b4
  40. 20.Ngf3
  41. g5
  42. 21.Re2
  43. Rb8
  44. 22.Ne5
  45. Nxe5
  46. 23.fxe5
  47. bxc3
  48. 24.bxc3
  49. Rxb1+
  50. 25.Nxb1
  51. Rb8
  52. 26.Nd2
  53. Rb2
  54. 27.Bf1
  55. Rxa2
  56. 28.Nf3
  57. Rxe2
  58. 29.Bxe2
  59. Ba4
  60. 30.Nd2
  61. a5
  62. 31.Kg1
  63. Bc2
  64. 32.Nxc4
  65. dxc4
  66. 33.Bxc4
  67. Kf7
  68. 34.Kf2
  69. a4
  70. 35.Ke2
  71. Bb3
  72. 36.Bxb3
  73. axb3
  74. 37.Kd2
  75. g4
  76. 38.Kc1
  77. Bg5
  78. 39.Kb2
  79. Bxe3
  80. 40.Kxb3
  81. f4
  82. 41.gxf4
  83. Bxf4
  84. 42.c4
  85. Bxh2
  86. 43.c5
  87. g3
  88. 44.c6
  89. Ke7
  90. 45.c7
    1. Oplossing:45.c7
      1. Dreigend:
      2. 46.c8=Q
    3. Kd7
    4. Nu als46.c8=Q+
    5. Kxc8
  92. 45...Kd7
  93. 46.c8=Q+
  94. Kxc8
  95. 47.d5
  96. g2
  97. 48.dxe6
  98. g1=Q
  99. 49.e7
  100. Qg8+
  101. 50.Kc3
  102. Bxe5+
  103. 51.Kd3
  104. Qd5+
  105. 52.Ke2
  106. Qe4+
  107. 53.Kd2
  108. Bf4+
  109. 54.Kd1
  110. Qd3+
  111. 55.Ke1
  112. Bg3#
0-1

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