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Puzzle 836834: Albul câștigă finalul

GM Viktor Gazik (2555) - FM Christopher Shen (2327)
Pan-Am Intercollegiate Seattle USA (5), 2023.01.07
  2. 1.e4
  3. c5
  4. 2.Cf3
  5. e6
  6. 3.d3
  7. Cc6
  8. 4.g3
  9. g6
  10. 5.Ng2
  11. Ng7
  12. 6.O-O
  13. Cge7
  14. 7.Te1
  15. d6
  16. 8.c3
  17. e5
  18. 9.a3
  19. O-O
  20. 10.b4
  21. h6
  22. 11.Nb2
  23. Ne6
  24. 12.b5
  25. Ca5
  26. 13.c4
  27. b6
  28. 14.a4
  29. Dd7
  30. 15.Ta2
  31. f5
  32. 16.exf5
  33. Cxf5
  34. 17.Cc3
  35. Tae8
  36. 18.Cd2
  37. Cd4
  38. 19.Cd5
  39. Ng4
  40. 20.Db1
  41. Rh8
  42. 21.Nxd4
  43. cxd4
  44. 22.Ce4
  45. Tf7
  46. 23.f4
  47. exf4
  48. 24.Cxf4
  49. g5
  50. 25.Cd5
  51. Tef8
  52. 26.Tf2
  53. Ne5
  54. 27.Cb4
  55. Txf2
  56. 28.Cxf2
  57. Nf3
  58. 29.Ce4
  59. g4
  60. 30.Tf1
  61. Tf5
  62. 31.Tf2
  63. Df7
  64. 32.Cd2
  65. h5
  66. 33.Nxf3
  67. gxf3
  68. 34.Df1
  69. h4
  70. 35.Txf3
  71. Txf3
  72. 36.Dxf3
  73. Dxf3
  74. 37.Cxf3
  75. hxg3
  76. 38.hxg3
  77. Nxg3
  78. 39.Cxd4
  79. Cb7
  80. 40.Cb3
  81. Rg7
  82. 41.Rg2
  83. Ne1
  84. 42.Cc6
  85. Rf6
  86. 43.Rf3
  87. d5
  88. 44.cxd5
  89. Cd6
  90. 45.Re2
  91. Ng3
  92. 46.Cd2
  93. Rf5
  94. 47.Rf3
  95. Ne1
  96. 48.Cc4
  97. Cc8
  98. 49.d4
  99. Nc3
  100. 50.Re3
  101. Ne1
  102. 51.d6
  103. Re6
  104. 52.d5+
  105. Rd7
  106. 53.Cb8+
  107. Rd8
  108. 54.d7
  109. Ce7
  110. 55.d6
  111. Cg6
  112. 56.Re4
  113. Ng3
  114. 57.Rf5
  115. Cf8
  116. 58.Ce5
  117. Nxe5
  118. 59.Rxe5
  119. Cg6+
  120. 60.Rd5
  121. Cf4+
  122. 61.Rd4
  123. Ce6+
  124. 62.Rc4
  125. Cc5
  126. 63.a5
  127. Cb7
  128. 64.Rd5
  129. bxa5
  130. 65.Rc6
  131. a4
  132. 66.Rxb7
  133. a3
  134. 67.Cc6+
  135. Rxd7
  136. 68.Cb4
  137. Rxd6
  138. 69.Rxa7
  139. Rc5
  140. 70.b6
  141. Rxb4
  142. 71.b7
  143. a2
    1. Soluţie:71...a2
    2. 72.b8=Q+
    3. Rc3
      1. 72...Ra3
      2. 73.De5
      3. Rb3 with a winning endgame, for example:
      4. 74.Da1
      1. 72...Ra4 with a winning endgame, for example:
      2. 73.Db2
      3. a1=Q
      4. 74.Dxa1+
    5. 73.Dh8+
      1. 73.De5+
      2. Rb4 with a winning endgame, for example:
        1. 73...Rb3 with a winning endgame, for example:
        2. 74.Da1
        1. 73...Rc2
        2. 74.Da1
      4. 74.Db2+
      5. Rc4
      6. 75.Dxa2+
    7. 73...Rb4 with a winning endgame, for example:
      1. 73...Rb3 with a winning endgame, for example:
      2. 74.Da1
      1. 73...Rc2
      2. 74.Da1
    9. 74.Db2+
    10. Rc4
    11. 75.Dxa2+
  145. 72.b8=Q+
1-0
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