Ratkaise 415889: Musta voittaa loppupelin

IM Sergey Sergienko (2337) - Ronaldo Alonso Moreira (2088)
Titled Tuesday 2nd Nov chess.com INT (4), 2021.11.02
  1. 1.e4
  2. e6
  3. 2.d4
  4. d5
  5. 3.Rc3
  6. Rf6
  7. 4.Lg5
  8. dxe4
  9. 5.Rxe4
  10. Le7
  11. 6.Lxf6
  12. gxf6
  13. 7.Rf3
  14. f5
  15. 8.Rc3
  16. a6
  17. 9.g3
  18. b5
  19. 10.Lg2
  20. Lb7
  21. 11.O-O
  22. Dd6
  23. 12.Te1
  24. Rd7
  25. 13.Re5
  26. Lxg2
  27. 14.Kxg2
  28. Rxe5
  29. 15.dxe5
  30. Dxd1
  31. 16.Taxd1
  32. Td8
  33. 17.f4
  34. Lb4
  35. 18.Kf3
  36. Lxc3
  37. 19.bxc3
  38. Ke7
  39. 20.Ke3
  40. c5
  41. 21.a4
  42. Txd1
  43. 22.Txd1
  44. Td8
  45. 23.Ta1
  46. h5
  47. 24.axb5
  48. axb5
  49. 25.Ta5
  50. Tb8
  51. 26.Ta7+
  52. Kf8
  53. 27.Tc7
  54. c4
  55. 28.Td7
  56. Ke8
  57. 29.Ta7
  58. b4
  59. 30.cxb4
  60. Txb4
  61. 31.Kd4
  62. Tb2
  63. 32.Kc3
  64. Tb1
  65. 33.Kxc4
  66. Th1
  67. 34.Ta3
  68. Txh2
  69. 35.Tc3
  70. h4
  71. 36.gxh4
  72. Txh4
  73. 37.Kc5
  74. Txf4
  75. 38.Kd6
  76. Kf8
  77. 39.Tc8+
  78. Kg7
  79. 40.c4
  80. Td4+
  81. 41.Ke7
  82. Te4
  83. 42.Tf8
  84. Txe5
  85. 43.Txf7+
  86. Kg6
  87. 44.Tf6+
  88. Kg5
  89. 45.Txe6
  90. Txe6+
  91. 46.Kxe6
    1. Ratkaisu:46.Kxe6
    2. f4
    3. 47.c5
      1. 47.Kd7
      2. f3
      3. 48.c5
      4. f2
      5. 49.c6
      6. f1=Q
      7. 50.c7 with a winning endgame, for example:
      8. Db5+
      9. 51.Kd8
      10. Db6
      11. 52.Kd7
      12. Db7
      13. 53.Kd8
      14. Kf6
      15. 54.c8=Q
      16. De7#
    4. 47...f3
    5. 48.Ke7
      1. 48.c6
      2. f2
      3. 49.c7
      4. f1=Q
      5. 50.Kd7 with a winning endgame, for example:
      6. Db5+
      7. 51.Kd8
      8. Db6
      9. 52.Kd7
      10. Db7
      11. 53.Kd8
      12. Kf6
      13. 54.c8=Q
      14. De7#
      1. 48.Kd7
      2. f2
      3. 49.c6
      4. f1=Q
      5. 50.c7 with a winning endgame, for example:
      6. Db5+
      7. 51.Kd8
      8. Db6
      9. 52.Kd7
      10. Db7
      11. 53.Kd8
      12. Kf6
      13. 54.c8=Q
      14. De7#
    6. 48...f2
    7. 49.c6
      1. 49.Kd7 with a winning endgame, for example:
      2. f1=Q
      1. 49.Kd8 with a winning endgame, for example:
      2. f1=Q
    8. 49...f1=Q
    9. 50.Kd7 with a winning endgame, for example:
      1. 50.c7 with a winning endgame, for example:
      2. Da6
      3. 51.Kd7
      4. Db7
      5. 52.Kd8
      6. Kf6
      7. 53.c8=Q
      8. De7#
      1. 50.Kd8 with a winning endgame, for example:
      2. Kf6
      3. 51.c7
      4. Dd3+
      5. 52.Ke8
      6. Dd6
      7. 53.c8=Q
      8. De7#
    10. 50...Db5
    11. 51.Kd6
    12. Db6
    13. 52.Kd7
    14. Kf6
    15. 53.c7
    16. De6+
    17. 54.Kd8
    18. Dd5+
    19. 55.Ke8
    20. Dd6
    21. 56.c8=Q
    22. De7#
  92. 46...f4
  93. 47.c5
  94. f3
  95. 48.c6
  96. f2
  97. 49.c7
  98. f1=Q
  99. 50.Kd7
  100. Df5+
  101. 51.Kd8
  102. Dd5+
  103. 52.Ke7
  104. Dc6
  105. 53.Kd8
  106. Dd6+
  107. 54.Kc8
  108. Kf6
  109. 55.Kb7
  110. Db4+
  111. 56.Ka7
  112. Da5+
  113. 57.Kb7
  114. Db5+
  115. 58.Ka7
  116. Dc6
  117. 59.Kb8
  118. Db6+
  119. 60.Ka8
  120. Da6+
  121. 61.Kb8
  122. Db6+
  123. 62.Ka8
  124. Da6+
  125. 63.Kb8
  126. Db6+
1/2-1/2
Seuraava ? Apua