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Puzzle 633111: Zwart naar winst in het eindspel

IM Roman Vidonyak (2442) - GM Nikita1 Maiorov (2474)
Titled Tue 28th Jun Early chess.com INT (3), 2022.06.28
  2. 1.d4
  3. Nf6
  4. 2.c4
  5. e6
  6. 3.Nc3
  7. d5
  8. 4.cxd5
  9. exd5
  10. 5.Bg5
  11. c6
  12. 6.e3
  13. Be7
  14. 7.Bd3
  15. Nbd7
  16. 8.Nge2
  17. Nf8
  18. 9.Qc2
  19. Ne6
  20. 10.Bh4
  21. g6
  22. 11.O-O
  23. O-O
  24. 12.f3
  25. b6
  26. 13.Nf4
  27. Ng7
  28. 14.Rae1
  29. Nf5
  30. 15.Bf2
  31. Bd6
  32. 16.g4
  33. Nxd4
  34. 17.exd4
  35. Bxf4
  36. 18.Ne2
  37. Bd6
  38. 19.Qxc6
  39. Rb8
  40. 20.Qc2
  41. Bxg4
  42. 21.fxg4
  43. Nxg4
  44. 22.Bg3
  45. Ne3
  46. 23.Qd2
  47. Nxf1
  48. 24.Rxf1
  49. Bxg3
  50. 25.Nxg3
  51. Qh4
  52. 26.Qf2
  53. Rbe8
  54. 27.Bb5
  55. Re6
  56. 28.Bd7
  57. Re7
  58. 29.Bc6
  59. Rd8
  60. 30.Kh1
  61. Rd6
  62. 31.Bb5
  63. f5
  64. 32.Bd3
  65. Kh8
  66. 33.Rc1
  67. Rd8
  68. 34.Rf1
  69. Rde8
  70. 35.Bb5
  71. Rc8
  72. 36.Ba6
  73. Rcc7
  74. 37.Bd3
  75. Re6
  76. 38.a3
  77. Rec6
  78. 39.Qe3
  79. Qe7
  80. 40.Qd2
  81. Re6
  82. 41.Qf2
  83. Re3
  84. 42.Bb1
  85. Re6
  86. 43.Qf4
  87. Qd6
  88. 44.Qf2
  89. Rf7
  90. 45.Ba2
  91. f4
  92. 46.Ne2
  93. Qe7
  94. 47.Nc3
  95. Re3
  96. 48.Nxd5
  97. Qe4+
  98. 49.Qg2
  99. f3
  100. 50.Qf2
  101. Re2
  102. 51.Qg3
  103. Rg2
  104. 52.Qb8+
  105. Kg7
  106. 53.Qe5+
  107. Qxe5
  108. 54.dxe5
  109. Rxb2
  110. 55.Bc4
  111. Rc2
  112. 56.e6
  113. Rf8
  114. 57.e7
  115. Re8
  116. 58.Bb5
  117. Kf7
  118. 59.Bxe8+
  119. Kxe8
  120. 60.Nf4
  121. f2
  122. 61.Kg2
  123. Kxe7
  124. 62.Rxf2
  125. Rc4
  126. 63.Re2+
  127. Kf7
  128. 64.Nd3
  129. Rc3
  130. 65.Ne5+
  131. Kg7
  132. 66.Ng4
  133. Rxa3
  134. 67.Re7+
  135. Kf8
  136. 68.Rxh7
  137. a5
  138. 69.Ra7
  139. a4
  140. 70.Ne5
  141. g5
  142. 71.Ng6+
  143. Ke8
  144. 72.Ne5
  145. b5
  146. 73.Nc6
  147. Ra2+
  148. 74.Kg3
  149. a3
  150. 75.Nb4
  151. Ra1
  152. 76.Ra5
  153. Rb1
  154. 77.Rxb5
  155. a2
  156. 78.Ra5
  157. Rb3+
  158. 79.Kg4
  159. Rxb4+
  160. 80.Kxg5
  161. Rb2
  162. 81.h4
    1. Oplossing:81.h4
    2. Rb5+ De zwarte toren leidt de toren van wit af, weg van de bescherming van het veld a1.
    3. 82.Rxb5
      1. 82.Kf4
      2. Rxa5
      1. 82.Kf6
      2. Rxa5
      1. 82.Kg4
      2. Rxa5
      1. 82.Kg6
      2. Rxa5
      1. 82.Kh6
      2. Rxa5
    5. 82...a1=Q
    6. 83.Rb8+
    7. Kd7
      1. 83...Ke7
      2. 84.Rb7+ with a winning endgame, for example:
        1. 84.Kf4 with a winning endgame, for example:
        2. Qf6+
        3. 85.Kg4
        4. Qg6+
        5. 86.Kf3
        6. Qf5+
        7. 87.Kg2
        8. Qg4+
        9. 88.Kh1
        10. Qxh4+
        1. 84.Kg6 with a winning endgame, for example:
        2. Qf6+
        3. 85.Kh5
        4. Qe5+
        5. 86.Kg4
        6. Qxb8
      4. 84...Ke8
      5. 85.Rb8+
      6. Kd7
      7. 86.Rb7+
      8. Kc6
      9. 87.Rf7
      10. Kd6
      11. 88.Rf6+
      12. Ke5
      13. 89.Rf5+
      14. Ke6
      15. 90.Rf3
      16. Qe5+
      17. 91.Kg4
      18. Qe4+
      19. 92.Kg3
      20. Ke5
      21. 93.h5
      22. Qe1+
      23. 94.Kh3
      24. Ke4
      25. 95.Rf7
      26. Qd1
      27. 96.Re7+
      28. Kf5
      29. 97.Rf7+
      30. Kg5
      31. 98.Rh7
      32. Qd3+
      33. 99.Kh2
      34. Qxh7
      1. 83...Kf7
      2. 84.Rb7+ with a winning endgame, for example:
        1. 84.Kf4 with a winning endgame, for example:
        2. Qd4+
        3. 85.Kg3
        4. Qd6+
        5. 86.Kg4
        6. Qxb8
        1. 84.Kh6 with a winning endgame, for example:
        2. Qf6+
        3. 85.Kh5
        4. Qg6#
      4. 84...Ke8
      5. 85.Rb8+
      6. Kd7
      7. 86.Rb7+
      8. Kc6
      9. 87.Rf7
      10. Kd6
      11. 88.Rf6+
      12. Ke5
      13. 89.Rf5+
      14. Ke6
      15. 90.Rf3
      16. Qe5+
      17. 91.Kg4
      18. Qe4+
      19. 92.Kg3
      20. Ke5
      21. 93.h5
      22. Qe1+
      23. 94.Kh3
      24. Ke4
      25. 95.Rf7
      26. Qd1
      27. 96.Re7+
      28. Kf5
      29. 97.Rf7+
      30. Kg5
      31. 98.Rh7
      32. Qd3+
      33. 99.Kh2
      34. Qxh7
    9. 84.Rb7+ with a winning endgame, for example:
      1. 84.Rb5 with a winning endgame, for example:
      2. Qc1+
      3. 85.Kh5
      4. Qd1+
      5. 86.Kh6
      6. Qd4
      7. 87.Rh5
      8. Ke6
      9. 88.Kg5
      10. Kf7
      11. 89.Rh7+
      12. Kg8
      13. 90.Rh6
      14. Qe5+
      15. 91.Kg4
      16. Kg7
      17. 92.Rb6
      18. Qd4+
      19. 93.Kf5
      20. Qxb6
      1. 84.Kg6 with a winning endgame, for example:
      2. Qa6+
      3. 85.Kg7
      4. Ke7
      5. 86.Rg8
      6. Qf6+
      7. 87.Kh7
      8. Qxh4+
    11. 84...Kc6
    12. 85.Rf7
    13. Kd6
    14. 86.Rf6+
    15. Ke5
    16. 87.Rf5+
    17. Ke6
    18. 88.Rf3
    19. Qe5+
    20. 89.Kg4
    21. Qe4+
    22. 90.Kg3
    23. Ke5
    24. 91.h5
    25. Qe1+
    26. 92.Kh3
    27. Ke4
    28. 93.Rf7
    29. Qd1
    30. 94.Re7+
    31. Kf5
    32. 95.Rf7+
    33. Kg5
    34. 96.Rh7
    35. Qd3+
    36. 97.Kh2
    37. Qxh7
  164. 81...Rg2+
  165. 82.Kh5
  166. Kf8
  167. 83.Kh6
  168. Ke8
  169. 84.h5
  170. Kd7
  171. 85.Kh7
  172. Kc7
  173. 86.h6
  174. Kb6
  175. 87.Ra8
  176. Kb7
  177. 88.Ra3
  178. Kb6
  179. 89.Kh8
  180. Kb7
  181. 90.h7
  182. Kb6
  183. 91.Ra8
  184. Kb7
  185. 92.Ra3
  186. Kb6
  187. 93.Ra8
  188. Kb7
  189. 94.Ra3
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