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Problem 193258: Hitam jalan menang di akhir permainan

IM G. B Harshavardhan (2397) - GM N. R Visakh (2516)
Titled Tuesday 15th Sept chess.com INT (10), 2020.09.15
  2. 1.d4
  3. Kf6
  4. 2.c4
  5. g6
  6. 3.Kc3
  7. d5
  8. 4.Kf3
  9. Gg7
  10. 5.cxd5
  11. Kxd5
  12. 6.Gd2
  13. O-O
  14. 7.e4
  15. Kxc3
  16. 8.Gxc3
  17. c5
  18. 9.d5
  19. e6
  20. 10.Gc4
  21. exd5
  22. 11.Gxd5
  23. Kd7
  24. 12.O-O
  25. Kf6
  26. 13.Gxf7+
  27. Rxf7
  28. 14.Mb3+
  29. Re8
  30. 15.Bad1
  31. Mb6
  32. 16.Mc2
  33. Ge6
  34. 17.Kg5
  35. Gg8
  36. 18.Ge5
  37. Bd8
  38. 19.Ma4+
  39. Re7
  40. 20.Gc3
  41. Mc6
  42. 21.Ma5
  43. h6
  44. 22.Kf3
  45. Mb6
  46. 23.Ma4
  47. Bxd1
  48. 24.Bxd1
  49. Bd8
  50. 25.Ke5
  51. Bxd1+
  52. 26.Mxd1
  53. Gf7
  54. 27.Kxf7
  55. Rxf7
  56. 28.e5
  57. Me6
  58. 29.exf6
  59. Gxf6
  60. 30.Mf3
  61. b6
  62. 31.h4
  63. h5
  64. 32.g3
  65. Rg7
  66. 33.Mb7+
  67. Mf7
  68. 34.Gxf6+
  69. Rxf6
  70. 35.Mf3+
  71. Rg7
  72. 36.Mxf7+
  73. Rxf7
  74. 37.f3
  75. Re6
  76. 38.Rf2
  77. Re5
  78. 39.Re3
  79. c4
  80. 40.Rd2
  81. Rd4
  82. 41.Re2
  83. b5
  84. 42.g4
  85. b4
  86. 43.Rd2
  87. a5
  88. 44.a3
  89. c3+
  90. 45.bxc3+
  91. bxc3+
  92. 46.Rc2
  93. Re3
  94. 47.gxh5
  95. gxh5
  96. 48.Rxc3
  97. Rxf3
  98. 49.Rd3
  99. Rg4
  100. 50.Re3
  101. Rxh4
  102. 51.Rf3
  103. a4
  104. 52.Rf4
  105. Rh3
  106. 53.Rf3
  107. h4
  108. 54.Rf2
  109. Rg4
  110. 55.Rg2
  111. Rf4
  112. 56.Rh3
  113. Rg5
  114. 57.Rh2
  115. Rg4
  116. 58.Rg2
  117. Rf4
  118. 59.Rh3
  119. Re3
  120. 60.Rxh4
  121. Rd3
  122. 61.Rg3
  123. Rc3
  124. 62.Rf2
  125. Rb3
  126. 63.Re2
    1. Jawaban:63.Re2
    2. Rxa3
    3. 64.Rd3
      1. 64.Rd1
      2. Rb2
      3. 65.Rd2
      4. a3
      5. 66.Rd1 with a winning endgame, for example:
      6. a2
      7. 67.Rd2
      8. a1=Q
      1. 64.Rd2
      2. Rb2
      3. 65.Rd3
      4. a3
      5. 66.Rc4 with a winning endgame, for example:
      6. a2
      7. 67.Rb4
      8. a1=Q
    5. 64...Rb2
      1. 64...Rb3
      2. 65.Rd2
      3. a3
        1. 65...Rb2
        2. 66.Rd3
        3. a3
          1. 66...Rb1
          2. 67.Rc3
            1. 67.Rc4
            2. a3
            3. 68.Rb3
            4. a2
            5. 69.Ra3
            6. a1=Q+
            1. 67.Rd2
            2. a3
            3. 68.Rc3
            4. a2
            5. 69.Rb3
            6. a1=Q
          4. 67...a3
          5. 68.Rb3
            1. 68.Rb4
            2. a2
            3. 69.Rc4
            4. a1=Q
          7. 68...a2
          8. 69.Ra3
          9. a1=Q+
            1. 69...a1=R+
          1. 66...Rb3
          2. 67.Rd2
        5. 67.Rc4 with a winning endgame, for example:
          1. 67.Rd2
          2. a2
          3. 68.Rd1
          4. a1=Q+
        7. 67...a2
        8. 68.Rb4
        9. a1=Q
      5. 66.Rc1
        1. 66.Rd3
        2. a2
        3. 67.Rd2
        4. a1=Q
      7. 66...a2
      8. 67.Rd2
        1. 67.Rd1
        2. a1=Q+
      10. 67...a1=Q
        1. 67...a1=R
    7. 65.Rc4
    8. a3
    9. 66.Rb4
      1. 66.Rb5 with a winning endgame, for example:
      2. a2
      3. 67.Rc4
      4. a1=Q
    11. 66...a2
      1. 66...Ra2
      2. 67.Ra4
      3. Rb2
      4. 68.Rb4
    13. 67.Ra4
    14. a1=Q+
      1. 67...a1=R+
  128. 63...Rxa3
  129. 64.Rd2
  130. Rb3
  131. 65.Rc1
1/2-1/2
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