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Puzzle 954863: Nero a pareggiare

GM Iv Saric (2668) - GM Thai Dai Van Nguyen (2634)
ECo-C Extraliga 2022-23 Czech Republic CZE, 2022.10.16
  2. 1.e4
  3. e5
  4. 2.Cf3
  5. Cf6
  6. 3.d4
  7. Cxe4
  8. 4.Ad3
  9. d5
  10. 5.Cxe5
  11. Cd7
  12. 6.Cc3
  13. Cxc3
  14. 7.bxc3
  15. Cxe5
  16. 8.dxe5
  17. Ac5
  18. 9.Dh5
  19. Ae6
  20. 10.Tb1
  21. Dd7
  22. 11.O-O
  23. O-O-O
  24. 12.Df3
  25. Rb8
  26. 13.Ae3
  27. Axe3
  28. 14.Dxe3
  29. d4
  30. 15.cxd4
  31. Dxd4
  32. 16.Txb7+
  33. Rxb7
  34. 17.Tb1+
  35. Db6
  36. 18.Txb6+
  37. axb6
  38. 19.a3
  39. Ra7
  40. 20.h4
  41. h5
  42. 21.Ae4
  43. Td1+
  44. 22.Rh2
  45. Thd8
  46. 23.a4
  47. Ad5
  48. 24.Ad3
  49. Ae6
  50. 25.a5
  51. c5
  52. 26.Df3
  53. T1xd3
  54. 27.cxd3
  55. bxa5
  56. 28.Dxh5
  57. a4
  58. 29.Dg5
  59. Txd3
  60. 30.f4
  61. g6
  62. 31.h5
  63. gxh5
  64. 32.f5
  65. Ad5
  66. 33.De7+
  67. Rb6
  68. 34.Dd8+
  69. Rb5
  70. 35.e6
  71. fxe6
  72. 36.fxe6
  73. Rc4
  74. 37.e7
  75. Ac6
  76. 38.Dg8+
  77. Td5
  78. 39.De6
  79. Ab5
  80. 40.De4+
  81. Td4
  82. 41.De2+
  83. Rb4
  84. 42.Db2+
  85. Rc4
  86. 43.Dxb5+
  87. Rxb5
  88. 44.e8=Q+
  89. Rb4
  90. 45.Dxh5
  91. a3
  92. 46.Df7
  93. Td3
  94. 47.Db7+
  95. Rc3
  96. 48.Da6
  97. Rc2
  98. 49.Dc4+
  99. Tc3
  100. 50.Da2+
  101. Rd1
  102. 51.Da1+
  103. Rc2
  104. 52.g4
  105. Rb3
  106. 53.Db1+
  107. Ra4
  108. 54.g5
  109. Tb3
  110. 55.De4+
  111. Tb4
  112. 56.Dc2+
  113. Rb5
  114. 57.Dd3+
  115. Ra4
  116. 58.Da6+
  117. Rb3
  118. 59.g6
  119. c4
  120. 60.g7
  121. Tb8
  122. 61.Dd6
  123. Tg8
  124. 62.Db6+
  125. Rc2
  126. 63.Df2+
  127. Rb3
  128. 64.Df7
  129. Txg7
  130. 65.Dxg7
  131. c3
  132. 66.Db7+
  133. Rc2
  134. 67.Da7
  135. Rb2
  136. 68.Db6+
  137. Ra1
  138. 69.Rg2
    1. Soluzione:69.Rg2
    2. a2
    3. 70.Rh3
      1. 70.Dd4
      2. Rb2
      3. 71.Db6+ with a drawn endgame, for example:
      4. Rc2
      5. 72.Da5
      6. Rb3
      7. 73.Dd5+
      8. Rb2
      9. 74.Db5+
      10. Ra3
      11. 75.Da6+
      12. Rb2
      13. 76.Da5
      14. a1=Q
      15. 77.Db5+
      1. 70.Dg1+
      2. Rb2
      3. 71.Db6+ with a drawn endgame, for example:
      4. Rc2
      5. 72.Da5
      6. Rb3
      7. 73.Dd5+
      8. Rb2
      9. 74.Db5+
      10. Ra3
      11. 75.Da6+
      12. Rb2
      13. 76.Da5
      14. a1=Q
      15. 77.Db5+
      1. 70.Rf2
      2. c2
      3. 71.Df6+
      4. Rb1
      5. 72.Db6+
      6. Rc1
      7. 73.Da7
      8. Rb1
      9. 74.Db8+
      10. Ra1
      11. 75.Dc8
      12. Rb2
      13. 76.Db7+ with a drawn endgame, for example:
      14. Rc1
      15. 77.Da6
      16. Rb2
      17. 78.Db6+
      18. Ra1
      19. 79.Dd4+
      20. Rb1
      21. 80.Db4+
      22. Ra1
      23. 81.Dc3+
      24. Rb1
      25. 82.Db3+
      26. Ra1
      27. 83.Da3
      28. Rb1
      29. 84.Db3+
      30. Ra1
      31. 85.De3
      32. Rb1
      33. 86.Db3+
    5. 70...c2
    6. 71.Dd4+
    7. Rb1
    8. 72.Db4+
    9. Rc1
      1. 72...Ra1
      2. 73.Da3
        1. 73.De1+
        2. Rb2
        3. 74.Db4+
        4. Ra1 Patta per ripetizione
        1. 73.Dd4+
        2. Rb1
        3. 74.Db4+ Patta per ripetizione
      4. 73...Rb1
      5. 74.Db4+
        1. 74.Db3+
        2. Rc1
        3. 75.Da3+ with a drawn endgame, for example:
        4. Rb1
      7. 74...Rc1
        1. 74...Ra1
        2. 75.Dd4+
          1. 75.De1+
          2. Rb2
          3. 76.Db4+
          4. Ra1 Patta per ripetizione
          1. 75.Da3
          2. Rb1
          3. 76.Db3+
          4. Rc1
          5. 77.Da3+ with a drawn endgame, for example:
          6. Rb1
        4. 75...Rb1
        5. 76.Db4+ Patta per ripetizione
      9. 75.De1+
      10. Rb2
      11. 76.Db4+
      12. Rc1
        1. 76...Ra1 Patta per ripetizione
      14. 77.De1+
      15. Rb2
      16. 78.Db4+
      17. Rc1 Patta per ripetizione
        1. 78...Ra1 Patta per ripetizione
    11. 73.De1+
    12. Rb2
    13. 74.Db4+
    14. Rc1
      1. 74...Ra1
      2. 75.Dd4+
        1. 75.De1+
        2. Rb2
        3. 76.Db4+
        4. Ra1 Patta per ripetizione
        1. 75.Da3
        2. Rb1
        3. 76.Db3+
        4. Rc1
        5. 77.Da3+ with a drawn endgame, for example:
        6. Rb1
      4. 75...Rb1
      5. 76.Db4+ Patta per ripetizione
    16. 75.De1+
    17. Rb2
    18. 76.Db4+
    19. Rc1 Patta per ripetizione
      1. 76...Ra1 Patta per ripetizione
  140. 69...a2
  141. 70.Rf2
  142. c2
  143. 71.Dd4+
  144. Rb1
  145. 72.Db4+
  146. Ra1
  147. 73.Dc3+
  148. Rb1
  149. 74.Db3+
  150. Ra1
  151. 75.Dxc2 stalemate
1/2-1/2
Avanti ? Aiuto