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Puzzle 690175: Wit naar Verdedigen en winnen

IM S. Milliet (2391) - WIM Zala Urh (2262)
22nd ch-EUR Indiv w 2022 Prague CZE, 2022.08.25
  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. Nxe4
  12. 6.d4
  13. b5
  14. 7.Bb3
  15. d5
  16. 8.dxe5
  17. Be6
  18. 9.Qe2
  19. Nc5
  20. 10.Rd1
  21. Nxb3
  22. 11.cxb3
  23. Be7
  24. 12.Be3
  25. O-O
  26. 13.Nc3
  27. Qd7
  28. 14.Rd2
  29. Rfe8
  30. 15.Rad1
  31. Bb4
  32. 16.h3
  33. Rad8
  34. 17.Bg5
  35. Rb8
  36. 18.Rd3
  37. Bxc3
  38. 19.bxc3
  39. h6
  40. 20.Bh4
  41. Ne7
  42. 21.Bxe7
  43. Qxe7
  44. 22.Nd4
  45. Rb6
  46. 23.b4
  47. c5
  48. 24.bxc5
  49. Qxc5
  50. 25.Qe3
  51. b4
  52. 26.f4
  53. bxc3
  54. 27.Rxc3
  55. Qe7
  56. 28.Nf5
  57. Qd8
  58. 29.Nd6
  59. Rxd6
  60. 30.exd6
  61. Bg4
    1. Oplossing:30...Bg4
      1. Dreigend:
      2. 31...Rxe3
        1. 31...Bxd1
    3. 31.Qa7
    4. Bxd1
      1. Nu als31...Re3
      2. 32.Rxe3
    6. 32.d7
    7. Re1+
    8. 33.Kh2
    9. Kh7
    10. 34.Qc7
    11. Re8
    12. 35.dxe8=Q White is winning because of White's material advantage and piece activity.
      1. 35.dxe8=R White is winning because of White's material advantage and piece activity.
      1. 35.dxe8=B White is winning because of White's material advantage and piece activity.
      1. 35.dxe8=N White is winning because of White's material advantage and piece activity.
  63. 31.Qxe8+
  64. Qxe8
  65. 32.hxg4
  66. Qe6
  67. 33.Rc6
  68. d4
  69. 34.f5
  70. Qd5
  71. 35.Rxa6
  72. d3
  73. 36.Kh1
  74. d2
  75. 37.Rb6
  76. Qe5
  77. 38.Rbb1
  78. Qxd6
  79. 39.a4
  80. Qd4
  81. 40.a5
  82. Qxg4
  83. 41.Ra1
  84. Qh4+
  85. 42.Kg1
  86. Qd4+
  87. 43.Kh1
  88. Qh4+
  89. 44.Kg1
  90. Qd4+
1/2-1/2
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