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Puzzle 181202: Wit naar Verdedigen en winnen

GM Yu Yangyi (2656) - GM Maxim Matlakov (2668)
8th RUS-CHN Summit Men Rapid St Petersburg RUS (6), 2012.07.08
  2. 1.e4
  3. e5
  4. 2.Nf3
  5. Nc6
  6. 3.Bb5
  7. a6
  8. 4.Ba4
  9. Nf6
  10. 5.O-O
  11. Be7
  12. 6.Re1
  13. b5
  14. 7.Bb3
  15. d6
  16. 8.c3
  17. O-O
  18. 9.h3
  19. Re8
  20. 10.d4
  21. Bb7
  22. 11.Nbd2
  23. Bf8
  24. 12.a3
  25. h6
  26. 13.Ba2
  27. Nb8
  28. 14.Qb3
  29. Qd7
  30. 15.Qc2
  31. c5
  32. 16.d5
  33. Qc7
  34. 17.c4
  35. Nbd7
  36. 18.b3
  37. Reb8
  38. 19.Bb2
  39. Bc8
  40. 20.Rec1
  41. Nh5
  42. 21.g3
  43. Nb6
  44. 22.Kg2
  45. bxc4
  46. 23.bxc4
  47. Na4
  48. 24.Rab1
  49. Nxb2
  50. 25.Rxb2
  51. Rxb2
  52. 26.Qxb2
  53. Rb8
  54. 27.Qc3
  55. Qd7
  56. 28.Ng1
  57. Nf6
  58. 29.Bb1
  59. h5
  60. 30.f4
  61. exf4
  62. 31.gxf4
  63. Qe7
  64. 32.Ngf3
  65. g6
  66. 33.e5
  67. Nd7
  68. 34.e6
  69. fxe6
  70. 35.Re1
  71. Qf6
  72. 36.Qxf6
  73. Nxf6
  74. 37.dxe6
  75. Be7
  76. 38.Bxg6
  77. Rb2
  78. 39.Bf7+
  79. Kf8
  80. 40.Kg3
  81. Bb7
  82. 41.Nh4
  83. Kg7
  84. 42.Ng6
  85. h4+
  86. 43.Kxh4
  87. Ng8+
  88. 44.Nxe7
  89. Nxe7
  90. 45.Re2
  91. d5
    1. Oplossing:45...d5
      1. Dreigend:
      2. 46...dxc4
      3. 47.Nxc4
      4. Rxe2
    3. 46.Bh5
    4. Kh6
      1. Nu als46...dxc4
      2. 47.Nxc4
      3. Rxe2
      4. 48.Bxe2
    6. 47.Bg4
  93. 46.cxd5
  94. Bxd5
  95. 47.Bh5
  96. Ra2
  97. 48.Kg5
  98. c4
  99. 49.f5
  100. c3
  101. 50.f6+
  102. Kf8
  103. 51.Nb3
  104. Rxe2
  105. 52.Bxe2
  106. Bxb3
  107. 53.fxe7+
  108. Kxe7
  109. 54.Bd3
  110. c2
  111. 55.Bxc2
  112. Bxc2
  113. 56.Kf4
  114. Kxe6
1/2-1/2
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