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Puzzle 994909: Negrul dă mat

FM Igor L. Vakhlamov (2413) - FM Jakub Suder (2301)
Titled Tue 16th Aug Early chess.com INT (5), 2022.08.16
  2. 1.e4
  3. c5
  4. 2.Cf3
  5. e6
  6. 3.Cc3
  7. Cc6
  8. 4.Nb5
  9. Cge7
  10. 5.O-O
  11. a6
  12. 6.Nxc6
  13. Cxc6
  14. 7.d4
  15. cxd4
  16. 8.Cxd4
  17. Dc7
  18. 9.Cxc6
  19. dxc6
  20. 10.Dh5
  21. g6
  22. 11.Dh4
  23. Ng7
  24. 12.Nh6
  25. O-O
  26. 13.Tad1
  27. e5
  28. 14.Td3
  29. Ne6
  30. 15.Tfd1
  31. Nxh6
  32. 16.Dxh6
  33. Tfd8
  34. 17.b3
  35. Txd3
  36. 18.Txd3
  37. Td8
  38. 19.Dd2
  39. Txd3
  40. 20.Dxd3
  41. Dd7
  42. 21.Dxd7
  43. Nxd7
  44. 22.f3
  45. f6
  46. 23.Rf2
  47. Rf7
  48. 24.Re3
  49. Re6
  50. 25.h4
  51. h6
  52. 26.a4
  53. a5
  54. 27.g3
  55. Rd6
  56. 28.f4
  57. Rc5
  58. 29.Rd3
  59. Ne6
  60. 30.Re3
  61. Nd7
  62. 31.Rd3
  63. Ne6
  64. 32.Re3
  65. b5
  66. 33.Rd3
  67. exf4
  68. 34.gxf4
  69. g5
  70. 35.hxg5
  71. hxg5
  72. 36.e5
  73. Nf5+
  74. 37.Rd2
  75. gxf4
  76. 38.exf6
  77. Ng6
  78. 39.Ce4+
  79. Rb4
  80. 40.axb5
  81. cxb5
  82. 41.Cg5
  83. a4
  84. 42.bxa4
  85. bxa4
  86. 43.f7
  87. Nxf7
  88. 44.Cxf7
  89. a3
  90. 45.Rc1
  91. f3
  92. 46.Ce5
  93. Rc3
  94. 47.Cd3
  95. a2
  96. 48.Rd1
  97. a1=Q+
  98. 49.Cc1
  99. Dxc1+
  100. 50.Rxc1
    1. Soluţie:50.Rxc1
    2. f2 Plasa de mat
    3. 51.Rb1
      1. 51.Rd1
      2. f1=Q#
    5. 51...f1=R+
      1. 51...f1=Q+
      2. 52.Ra2 with a winning endgame, for example:
      3. Rxc2
    7. 52.Ra2 with a winning endgame, for example:
    8. Rxc2
  102. 50...f2
  103. 51.Rb1
  104. f1=Q+
  105. 52.Ra2
  106. Rxc2
  107. 53.Ra3
  108. Df4
  109. 54.Ra2
  110. Da4#
0-1
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