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Puzzle 646808: Zwart naar Verdedig

GM Mariya Muzychuk (2540) - IM D. Saduakassova (2435)
Bydgoszcz WGM 2022 Bydgoszcz POL, 2022.07.02
  2. 1.d4
  3. Nf6
  4. 2.c4
  5. e6
  6. 3.Nc3
  7. Bb4
  8. 4.e3
  9. O-O
  10. 5.Bd3
  11. d5
  12. 6.Nf3
  13. b6
  14. 7.O-O
  15. Bb7
  16. 8.cxd5
  17. exd5
  18. 9.Ne5
  19. Bd6
  20. 10.f4
  21. c5
  22. 11.Ne2
  23. Nc6
  24. 12.b3
  25. cxd4
  26. 13.Nxc6
  27. Bxc6
  28. 14.Nxd4
  29. Bd7
  30. 15.Bb2
  31. Qe7
  32. 16.Qf3
  33. Ba3
  34. 17.Bxa3
  35. Qxa3
  36. 18.Bf5
  37. Qe7
  38. 19.Rac1
  39. Rac8
  40. 20.Qh3
  41. g6
  42. 21.Bxd7
  43. Qxd7
  44. 22.Qxd7
  45. Nxd7
  46. 23.Nc6
  47. Rce8
  48. 24.Rc3
  49. Nf6
  50. 25.Ne5
  51. Re7
  52. 26.Rfc1
  53. Rfe8
  54. 27.Rc8
  55. Rxc8
  56. 28.Rxc8+
  57. Kg7
  58. 29.Kf2
  59. Ne4+
  60. 30.Kf3
  61. Ng5+
  62. 31.Ke2
  63. Ne6
  64. 32.Nc6
  65. Rd7
  66. 33.Kd3
  67. h5
  68. 34.b4
  69. a6
  70. 35.Rb8
  71. Rd6
  72. 36.Ne5
  73. a5
  74. 37.a3
  75. axb4
  76. 38.axb4
  77. Nd8
  78. 39.Rc8
  79. Ne6
  80. 40.Rb8
  81. Nd8
  82. 41.Rc8
  83. Ne6
  84. 42.g3
  85. h4
  86. 43.Ra8
  87. hxg3
  88. 44.hxg3
  89. Nd8
  90. 45.b5
  91. g5
  92. 46.Ra7
  93. d4
  94. 47.fxg5
  95. dxe3+
  96. 48.Kxe3
  97. Rd5
  98. 49.Ke4
  99. Rxb5
  100. 50.Rd7
    1. Oplossing:50.Rd7
      1. Dreigend:
      2. 51.Rxd8
    3. Ne6
      1. Niet50...Rb4+ vanwege
      2. 51.Kf5
      3. Rb2
      4. 52.Rxd8
    5. 51.Rxf7+
      1. Nu als51.Rd8
      2. Rxe5+
    7. 51...Kg8
      1. 51...Kh8
      2. 52.Re7
      3. Nxg5+
    9. 52.Rf6
    10. Nxg5+
  102. 50...Ne6
  103. 51.Rxf7+
  104. Kg8
  105. 52.Re7
  106. Nxg5+
  107. 53.Kf4
  108. Nh7
  109. 54.Nd7
  110. Rb1
1/2-1/2
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