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Puzzle 616531: Albul remizează finalul

WFM Nadezhda Antonova (1842) - Robert Sanchez (1970)
Titled Tuesday 9th Nov chess.com INT (10), 2021.11.09
  2. 1.d4
  3. Cf6
  4. 2.Cf3
  5. e6
  6. 3.Cbd2
  7. c5
  8. 4.c3
  9. b6
  10. 5.e4
  11. cxd4
  12. 6.cxd4
  13. Nb7
  14. 7.Nd3
  15. d6
  16. 8.O-O
  17. Cbd7
  18. 9.Te1
  19. Ne7
  20. 10.a3
  21. O-O
  22. 11.b4
  23. Tc8
  24. 12.Nb2
  25. Te8
  26. 13.De2
  27. Cf8
  28. 14.Tac1
  29. Cg6
  30. 15.g3
  31. Dd7
  32. 16.Nb5
  33. Nc6
  34. 17.Na6
  35. Tc7
  36. 18.Tc2
  37. Nb7
  38. 19.Nb5
  39. Txc2
  40. 20.Nxd7
  41. Cxd7
  42. 21.Tb1
  43. Tec8
  44. 22.Ce1
  45. T2c7
  46. 23.f3
  47. e5
  48. 24.d5
  49. Ng5
  50. 25.h4
  51. Nh6
  52. 26.Rg2
  53. Ce7
  54. 27.Dd1
  55. f5
  56. 28.Tc1
  57. Txc1
  58. 29.Nxc1
  59. fxe4
  60. 30.fxe4
  61. Cf6
  62. 31.Cef3
  63. Cxe4
  64. 32.Cxe4
  65. Txc1
  66. 33.Da4
  67. Rf8
  68. 34.Cxd6
  69. Cc6
  70. 35.dxc6
  71. Nxc6
  72. 36.Dxa7
  73. Tc2+
  74. 37.Rh3
  75. Nd5
  76. 38.Db8+
  77. Re7
  78. 39.Cf5+
  79. Rf6
  80. 40.Cxh6
  81. Nxf3
  82. 41.Cg4+
  83. Rf5
  84. 42.Dxe5+
  85. Rg6
  86. 43.Dg5+
  87. Rf7
  88. 44.Df4+
  89. Re7
  90. 45.Dxf3
  91. Tc3
  92. 46.Dxc3
  93. Rd6
  94. 47.Dc7+
  95. Rxc7
  96. 48.Ce5
  97. Rd6
  98. 49.Cd3
  99. Rc6
  100. 50.a4
  101. Rd5
  102. 51.Rg4
  103. Rc4
  104. 52.Cf4
  105. Rxb4
  106. 53.Rf5
  107. Rxa4
  108. 54.Cd5
  109. b5
  110. 55.Re5
  111. Rb3
  112. 56.Rd4
  113. Rc2
  114. 57.g4
  115. Rd2
  116. 58.h5
  117. Re2
  118. 59.g5
  119. Rf3
  120. 60.Re5
  121. Rg4
  122. 61.h6
  123. gxh6
  124. 62.gxh6
  125. Rh5
  126. 63.Rf6
  127. Rxh6
  128. 64.Rf5
  129. Rh5
  130. 65.Cf4+
  131. Rh4
  132. 66.Cd5
  133. Rg3
  134. 67.Rg5
  135. Rf3
  136. 68.Rh6
  137. Re4
  138. 69.Cb6
  139. Rd4
  140. 70.Rxh7
  141. b4
  142. 71.Ca4
  143. b3
  144. 72.Cb2
  145. Rc3
  146. 73.Ca4+
  147. Rb4
    1. Soluţie:73...Rb4
    2. 74.Cb2
    3. Rc3
      1. 74...Rc5 with a drawn endgame, for example:
      2. 75.Rh6
      3. Rd4
      4. 76.Rg6
      5. Rc3
      6. 77.Ca4+
      7. Rb4
      8. 78.Cb2
      9. Rc3
      10. 79.Ca4+
      11. Rb4
      12. 80.Cb2
      13. Rc3
      1. 74...Ra3 with a drawn endgame, for example:
      2. 75.Cd3
      3. Ra4
      4. 76.Cc5+
      5. Rb5
      6. 77.Cxb3
      1. 74...Ra5 with a drawn endgame, for example:
      2. 75.Rg7
      3. Rb4
      4. 76.Rg6
      5. Rc3
      6. 77.Ca4+
      7. Rb4
      8. 78.Cb2
      9. Rc3
      10. 79.Ca4+
      11. Rb4
      12. 80.Cb2
    5. 75.Cd1+ Remiză prin repetiție
      1. 75.Ca4+
      2. Rb4
        1. 75...Rd2 with a drawn endgame, for example:
        2. 76.Rh6
        3. Re3
        4. 77.Rg6
        5. Rd2
        6. 78.Rf5
        7. Rd3
        8. 79.Cc5+
        9. Rd4
        10. 80.Cxb3+
      4. 76.Cb2
      5. Rc3
        1. 76...Rc5 with a drawn endgame, for example:
        2. 77.Rh6
        3. Rd4
        4. 78.Rg6
        5. Rc3
        6. 79.Ca4+
        7. Rb4
        8. 80.Cb2
        9. Rc3
        10. 81.Ca4+
        11. Rb4
        12. 82.Cb2
        13. Rc3
        1. 76...Ra3 with a drawn endgame, for example:
        2. 77.Cd3
        3. Ra4
        4. 78.Cc5+
        5. Rb5
        6. 79.Cxb3
        1. 76...Ra5 with a drawn endgame, for example:
        2. 77.Rg7
        3. Rb4
        4. 78.Rg6
        5. Rc3
        6. 79.Ca4+
        7. Rb4
        8. 80.Cb2
        9. Rc3
        10. 81.Ca4+
        11. Rb4
        12. 82.Cb2
      7. 77.Cd1+
        1. 77.Ca4+
        2. Rd2 with a drawn endgame, for example:
        3. 78.Rh6
        4. Re3
        5. 79.Rg6
        6. Rd2
        7. 80.Rf5
        8. Rd3
        9. 81.Cc5+
        10. Rd4
        11. 82.Cxb3+
      9. 77...Rc2
        1. 77...Rd2
        2. 78.Cb2
        3. Rc2
        4. 79.Ca4
        5. Rd2 with a drawn endgame, for example:
        6. 80.Rh6
        7. Re3
        8. 81.Rg6
        9. Rd2
        10. 82.Rf5
        11. Rd3
        12. 83.Cc5+
        13. Rd4
        14. 84.Cxb3+
        1. 77...Rb4 with a drawn endgame, for example:
        2. 78.Rh8
        3. Ra3
        4. 79.Rg8
        5. Ra2
        6. 80.Rf7
        7. Rb1
        8. 81.Ce3
        9. Rb2
        10. 82.Re6
        11. Rc1
        12. 83.Cc4
        13. Rc2
        14. 84.Rd6
        15. Rd3
        16. 85.Rd5
        17. Rc3
        18. 86.Rc5
        19. Rd3
        20. 87.Rb4
        21. Re4
        22. 88.Rxb3
      11. 78.Ce3+
      12. Rd3
        1. 78...Rc3 with a drawn endgame, for example:
        2. 79.Rg8
        3. Rd2
        4. 80.Cc4+
        5. Rd3
        6. 81.Cb2+
        7. Rd2
        8. 82.Rf7
        9. Rc3
        10. 83.Cd1+
        11. Rd2
        12. 84.Cb2
        13. Rc3
        14. 85.Cd1+
        15. Rd2
        16. 86.Cb2
      14. 79.Cd1
      15. Rc4 with a drawn endgame, for example:
        1. 79...Rd2
        2. 80.Cb2
        3. Rc2
        4. 81.Ca4
        5. Rd2 with a drawn endgame, for example:
        6. 82.Rh6
        7. Re3
        8. 83.Rg6
        9. Rd2
        10. 84.Rf5
        11. Rd3
        12. 85.Cc5+
        13. Rd4
        14. 86.Cxb3+
        1. 79...Rc2
        2. 80.Ce3+
        3. Rc3 with a drawn endgame, for example:
        4. 81.Rg8
        5. Rd2
        6. 82.Cc4+
        7. Rd3
        8. 83.Cb2+
        9. Rd2
        10. 84.Rf7
        11. Rc3
        12. 85.Cd1+
        13. Rd2
        14. 86.Cb2
        15. Rc3
        16. 87.Cd1+
        17. Rd2
        18. 88.Cb2
      17. 80.Cb2+
      18. Rc3
  149. 74.Cb2
  150. Ra3
  151. 75.Cd3
  152. Ra2
  153. 76.Rg6
  154. Rb1
  155. 77.Rf5
  156. Rc2
  157. 78.Re4
  158. Rc3
  159. 79.Re3
  160. Rc2
  161. 80.Rd4
  162. Rd2
  163. 81.Rc4
  164. Rc2
  165. 82.Cb4+
  166. Rb2
  167. 83.Cd3+
  168. Rc2
  169. 84.Cb4+
  170. Rb2
  171. 85.Cd3+
  172. Ra2
  173. 86.Rc3
  174. b2
  175. 87.Cxb2
1/2-1/2

This puzzle is part of the following Puzzle Academy skills:
  • Knight versus Pawn: Drawing against knight pawn
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