ChessPuzzle.net

問題 939735: 白 が 終盤を勝つとするために

FM Erik Obgolts (2376) - IM Ivan Aldokhin (2413)
Titled Tuesday 14th July chess.com INT (8), 2020.07.14
  2. 1.d4
  3. Nf6
  4. 2.Nf3
  5. g6
  6. 3.g3
  7. Bg7
  8. 4.Bg2
  9. O-O
  10. 5.O-O
  11. d6
  12. 6.c4
  13. c6
  14. 7.Nc3
  15. Bf5
  16. 8.Ne1
  17. Na6
  18. 9.e4
  19. Bg4
  20. 10.f3
  21. Bd7
  22. 11.Be3
  23. b5
  24. 12.cxb5
  25. cxb5
  26. 13.e5
  27. Ne8
  28. 14.f4
  29. b4
  30. 15.Ne4
  31. Bb5
  32. 16.Rf2
  33. Nec7
  34. 17.Rc1
  35. Nd5
  36. 18.Bd2
  37. dxe5
  38. 19.fxe5
  39. Qb6
  40. 20.Nc5
  41. Rad8
  42. 21.Qb3
  43. e6
  44. 22.Nf3
  45. Rc8
  46. 23.Ne4
  47. Rxc1+
  48. 24.Bxc1
  49. Rc8
  50. 25.Rc2
  51. Rc6
  52. 26.Rxc6
  53. Qxc6
  54. 27.Bd2
  55. Bc4
  56. 28.Qc2
  57. Bf8
  58. 29.Bf1
  59. Nb6
  60. 30.b3
  61. Bd5
  62. 31.Qxc6
  63. Bxc6
  64. 32.Nf6+
  65. Kg7
  66. 33.Bxa6
  67. Bxf3
  68. 34.Kf2
  69. Bc6
  70. 35.Bc4
  71. Be7
  72. 36.Ke3
  73. Bxf6
  74. 37.exf6+
  75. Kxf6
  76. 38.Kd3
  77. Nd5
  78. 39.Bxd5
  79. exd5
  80. 40.Bxb4
  81. Bb5+
  82. 41.Ke3
  83. Kf5
  84. 42.Bc5
  85. Bf1
  86. 43.Bxa7
  87. Kg4
  88. 44.Bb8
  89. Kh3
  90. 45.Kf2
  91. Bd3
  92. 46.Ke3
  93. Bb1
  94. 47.a4
  95. Bc2
  96. 48.a5
  97. Bxb3
  98. 49.a6
  99. Ba4
  100. 50.a7
  101. Bc6
  102. 51.Kf4
  103. f6
  104. 52.g4
  105. Kxh2
  106. 53.g5
  107. fxg5+
  108. 54.Kxg5+
  109. Kh3
  110. 55.Kh6
  111. Kh4
  112. 56.Kxh7
  113. g5
  114. 57.Kg6
  115. g4
  116. 58.Kf6
  117. g3
  118. 59.Ke7
  119. g2
  120. 60.Bh2
  121. Kg4
  122. 61.Kd6
  123. Ba8
  124. 62.Kc7
  125. Kf3
  126. 63.Bg1
  127. Ke2
  128. 64.Kb8
  129. Bc6
  130. 65.a8=Q
  131. Bxa8
  132. 66.Kxa8
  133. Kf1
  134. 67.Bh2
  135. g1=Q
  136. 68.Bxg1
  137. Kxg1
  138. 69.Kb7
  139. Kf2
  140. 70.Kc6
  141. Ke3
    1. 解決策:70...Ke3
    2. 71.Kxd5 白のキングが、マス c4を守っていた黒のポーンを取ります。
    3. Kd3
    4. 72.Ke5
      1. 72.Kc5
      2. Ke4
      3. 73.d5
        1. 73.Kc4
        2. Ke3
        3. 74.d5
          1. 74.Kc3
          2. Ke4
          3. 75.Kc4
          4. Ke3
            1. 75...Kf5 with a winning endgame, for example:
            2. 76.Kd5
            3. Kf6
            4. 77.Kd6
            5. Kf5
            6. 78.d5
            7. Kf6
            8. 79.Kc6
            9. Ke5
            10. 80.d6
            11. Ke6
            12. 81.d7
            13. Ke7
            14. 82.Kc7
            15. Ke6
            16. 83.d8=Q
            1. 75...Kf4 with a winning endgame, for example:
            2. 76.d5
            3. Ke4
            4. 77.d6
            5. Ke5
            6. 78.d7
            7. Kd6
            8. 79.d8=Q+
          1. 74.Kc5
          2. Ke4
          1. 74.Kd5
          2. Kd3
        5. 74...Ke4
          1. 74...Kf4 with a winning endgame, for example:
          2. 75.d6
          3. Ke5
          4. 76.d7
          5. Kd6
          6. 77.d8=Q+
        7. 75.d6
          1. 75.Kc5
          2. Ke5
          3. 76.d6
            1. 76.Kc6
            2. Kd4
            3. 77.d6
              1. 77.Kd6
              2. Kc4
                1. 77...Ke4
                2. 78.Ke6
                3. Kd4
                4. 79.d6
                5. Kc5
              4. 78.Ke6
                1. 78.Kc6
                2. Kd4
                1. 78.Ke5
                2. Kc5
                3. 79.d6
                  1. 79.Ke6
                  2. Kc4
                  3. 80.d6
                    1. 80.Kd6
                    2. Kd4
                    3. 81.Ke6
                      1. 81.Kc6
                      2. Ke5
                      3. 82.d6
                        1. 82.Kc5
                        2. Ke4 with a winning endgame, for example:
                        3. 83.d6
                        4. Ke5
                        5. 84.d7
                        6. Ke6
                        7. 85.d8=Q
                      5. 82...Ke6
                      6. 83.d7
                        1. 83.Kc7
                        2. Kd5
                          1. 83...Ke5
                          2. 84.d7
                          3. Kd4
                          4. 85.d8=Q+
                        4. 84.d7
                          1. 84.Kd7
                          2. Ke5
                            1. 84...Kc5
                            2. 85.Kc7
                            3. Kd5
                          4. 85.Ke7
                            1. 85.Kc6
                            2. Ke6
                            1. 85.Kc7
                            2. Kd5
                          6. 85...Kd5
                          7. 86.d7
                            1. 86.Kd7
                            2. Ke5
                          9. 86...Kc6
                            1. 86...Ke5
                            2. 87.d8=Q
                          11. 87.d8=Q
                            1. 87.d8=R
                        6. 84...Ke6
                          1. 84...Kc5
                          2. 85.d8=Q
                        8. 85.d8=Q
                          1. 85.d8=R
                      8. 83...Ke7
                      9. 84.Kc7
                      10. Ke6
                      11. 85.d8=Q
                        1. 85.d8=R
                    5. 81...Kc5
                    6. 82.d6
                      1. 82.Ke5
                      2. Kc4
                      3. 83.d6
                        1. 83.Kd6
                        2. Kd4
                        1. 83.Ke4
                        2. Kc5
                        3. 84.Ke5
                        4. Kc4
                          1. 84...Kb5 with a winning endgame, for example:
                          2. 85.d6
                          3. Kb6
                          4. 86.Ke6
                          5. Kc6
                          6. 87.d7
                          7. Kc7
                          8. 88.Ke7
                          9. Kc6
                          10. 89.d8=Q
                          1. 84...Kb6 with a winning endgame, for example:
                          2. 85.d6
                          3. Kb7
                          4. 86.Ke6
                          5. Kb6
                          6. 87.d7
                          7. Kc7
                          8. 88.Ke7
                          9. Kc6
                          10. 89.d8=Q
                        1. 83.Ke6
                        2. Kc5
                      5. 83...Kc5
                        1. 83...Kb5 with a winning endgame, for example:
                        2. 84.d7
                        3. Kc5
                        4. 85.d8=Q
                      7. 84.d7
                        1. 84.Ke6
                        2. Kc6
                        3. 85.d7
                          1. 85.Ke7
                          2. Kd5
                            1. 85...Kc5
                            2. 86.d7
                            3. Kd5
                            4. 87.d8=Q+
                          4. 86.d7
                            1. 86.Kd7
                            2. Ke5
                              1. 86...Kc5
                              2. 87.Kc7
                              3. Kd5
                              4. 88.d7
                              5. Ke6
                              6. 89.d8=Q
                            4. 87.Ke7
                              1. 87.Kc6
                              2. Ke6
                              3. 88.d7
                                1. 88.Kc7
                                2. Kd5
                                  1. 88...Ke5
                                  2. 89.d7
                                  3. Kd4
                                  4. 90.d8=Q+
                                4. 89.d7
                                  1. 89.Kd7
                                  2. Ke5
                                6. 89...Ke6
                                  1. 89...Kc5
                                  2. 90.d8=Q
                                8. 90.d8=Q
                                  1. 90.d8=R
                              5. 88...Ke7
                              6. 89.Kc7
                              7. Ke6
                              8. 90.d8=Q
                                1. 90.d8=R
                              1. 87.Kc7
                              2. Kd5
                              3. 88.d7
                                1. 88.Kd7
                                2. Ke5
                              5. 88...Ke6
                                1. 88...Kc5
                                2. 89.d8=Q
                              7. 89.d8=Q
                                1. 89.d8=R
                            6. 87...Kd5
                          6. 86...Kc6
                            1. 86...Ke5
                            2. 87.d8=Q
                          8. 87.d8=Q
                            1. 87.d8=R
                        5. 85...Kc7
                        6. 86.Ke7
                        7. Kc6
                        8. 87.d8=Q
                          1. 87.d8=R
                      9. 84...Kc6
                      10. 85.d8=Q
                        1. 85.d8=R
                    8. 82...Kc6
                    9. 83.d7
                      1. 83.Ke7
                      2. Kd5
                        1. 83...Kc5
                        2. 84.d7
                        3. Kd5
                        4. 85.d8=Q+
                      4. 84.d7
                        1. 84.Kd7
                        2. Ke5
                          1. 84...Kc5
                          2. 85.Kc7
                          3. Kd5
                          4. 86.d7
                          5. Ke6
                          6. 87.d8=Q
                        4. 85.Ke7
                          1. 85.Kc6
                          2. Ke6
                          3. 86.d7
                            1. 86.Kc7
                            2. Kd5
                              1. 86...Ke5
                              2. 87.d7
                              3. Kd4
                              4. 88.d8=Q+
                            4. 87.d7
                              1. 87.Kd7
                              2. Ke5
                            6. 87...Ke6
                              1. 87...Kc5
                              2. 88.d8=Q
                            8. 88.d8=Q
                              1. 88.d8=R
                          5. 86...Ke7
                          6. 87.Kc7
                          7. Ke6
                          8. 88.d8=Q
                            1. 88.d8=R
                          1. 85.Kc7
                          2. Kd5
                          3. 86.d7
                            1. 86.Kd7
                            2. Ke5
                          5. 86...Ke6
                            1. 86...Kc5
                            2. 87.d8=Q
                          7. 87.d8=Q
                            1. 87.d8=R
                        6. 85...Kd5
                      6. 84...Kc6
                        1. 84...Ke5
                        2. 85.d8=Q
                      8. 85.d8=Q
                        1. 85.d8=R
                    11. 83...Kc7
                    12. 84.Ke7
                    13. Kc6
                    14. 85.d8=Q
                      1. 85.d8=R
                    1. 80.Ke5
                    2. Kc5
                  5. 80...Kc5
                5. 79...Kc6
                6. 80.Ke6
                7. Kc5
                8. 81.d7
                  1. 81.Kd7
                  2. Kd5
                  3. 82.Ke7
                    1. 82.Kc7
                    2. Ke6
                      1. 82...Kc5
                      2. 83.d7
                      3. Kd5
                      4. 84.d8=Q+
                    4. 83.d7
                      1. 83.Kc6
                      2. Ke5 with a winning endgame, for example:
                      3. 84.d7
                      4. Ke6
                      5. 85.d8=Q
                    6. 83...Ke7
                    7. 84.d8=Q+
                      1. 84.d8=R
                  5. 82...Kc6
                    1. 82...Ke5
                    2. 83.d7
                    3. Kd5
                    4. 84.d8=Q+
                    1. 82...Kc5
                    2. 83.d7
                    3. Kd5
                    4. 84.d8=Q+
                  7. 83.d7
                    1. 83.Ke6
                    2. Kc5
                      1. 83...Kb7 with a winning endgame, for example:
                      2. 84.d7
                      3. Kc7
                      4. 85.Ke7
                      5. Kc6
                      6. 86.d8=Q
                      1. 83...Kb6 with a winning endgame, for example:
                      2. 84.d7
                      3. Kc7
                      4. 85.Ke7
                      5. Kc6
                      6. 86.d8=Q
                  9. 83...Kc7
                  10. 84.d8=Q+
                    1. 84.d8=R
                  1. 81.Ke5
                  2. Kc6
                  1. 81.Ke7
                  2. Kc6
                10. 81...Kc6
                  1. 81...Kb6
                  2. 82.d8=Q+
                12. 82.d8=Q
                  1. 82.d8=R
              6. 78...Kc5
              7. 79.d6
                1. 79.Ke5
                2. Kc4
                3. 80.d6
                  1. 80.Kd6
                  2. Kd4
                  1. 80.Ke4
                  2. Kc5
                  3. 81.Ke5
                  4. Kc4
                    1. 81...Kb5 with a winning endgame, for example:
                    2. 82.d6
                    3. Kb6
                    4. 83.Ke6
                    5. Kc6
                    6. 84.d7
                    7. Kc7
                    8. 85.Ke7
                    9. Kc6
                    10. 86.d8=Q
                    1. 81...Kb6 with a winning endgame, for example:
                    2. 82.d6
                    3. Kb7
                    4. 83.Ke6
                    5. Kb6
                    6. 84.d7
                    7. Kc7
                    8. 85.Ke7
                    9. Kc6
                    10. 86.d8=Q
                  1. 80.Ke6
                  2. Kc5
                5. 80...Kc5
                  1. 80...Kb5 with a winning endgame, for example:
                  2. 81.d7
                  3. Kc5
                  4. 82.d8=Q
                7. 81.d7
                  1. 81.Ke6
                  2. Kc6
                  3. 82.d7
                    1. 82.Ke7
                    2. Kd5
                      1. 82...Kc5
                      2. 83.d7
                      3. Kd5
                      4. 84.d8=Q+
                    4. 83.d7
                      1. 83.Kd7
                      2. Ke5
                        1. 83...Kc5
                        2. 84.Kc7
                        3. Kd5
                        4. 85.d7
                        5. Ke6
                        6. 86.d8=Q
                      4. 84.Ke7
                        1. 84.Kc6
                        2. Ke6
                        3. 85.d7
                          1. 85.Kc7
                          2. Kd5
                            1. 85...Ke5
                            2. 86.d7
                            3. Kd4
                            4. 87.d8=Q+
                          4. 86.d7
                            1. 86.Kd7
                            2. Ke5
                          6. 86...Ke6
                            1. 86...Kc5
                            2. 87.d8=Q
                          8. 87.d8=Q
                            1. 87.d8=R
                        5. 85...Ke7
                        6. 86.Kc7
                        7. Ke6
                        8. 87.d8=Q
                          1. 87.d8=R
                        1. 84.Kc7
                        2. Kd5
                        3. 85.d7
                          1. 85.Kd7
                          2. Ke5
                        5. 85...Ke6
                          1. 85...Kc5
                          2. 86.d8=Q
                        7. 86.d8=Q
                          1. 86.d8=R
                      6. 84...Kd5
                    6. 83...Kc6
                      1. 83...Ke5
                      2. 84.d8=Q
                    8. 84.d8=Q
                      1. 84.d8=R
                  5. 82...Kc7
                  6. 83.Ke7
                  7. Kc6
                  8. 84.d8=Q
                    1. 84.d8=R
                9. 81...Kc6
                10. 82.d8=Q
                  1. 82.d8=R
              9. 79...Kc6
              10. 80.d7
                1. 80.Ke7
                2. Kd5
                  1. 80...Kc5
                  2. 81.d7
                  3. Kd5
                  4. 82.d8=Q+
                4. 81.d7
                  1. 81.Kd7
                  2. Ke5
                    1. 81...Kc5
                    2. 82.Kc7
                    3. Kd5
                    4. 83.d7
                    5. Ke6
                    6. 84.d8=Q
                  4. 82.Ke7
                    1. 82.Kc6
                    2. Ke6
                    3. 83.d7
                      1. 83.Kc7
                      2. Kd5
                        1. 83...Ke5
                        2. 84.d7
                        3. Kd4
                        4. 85.d8=Q+
                      4. 84.d7
                        1. 84.Kd7
                        2. Ke5
                      6. 84...Ke6
                        1. 84...Kc5
                        2. 85.d8=Q
                      8. 85.d8=Q
                        1. 85.d8=R
                    5. 83...Ke7
                    6. 84.Kc7
                    7. Ke6
                    8. 85.d8=Q
                      1. 85.d8=R
                    1. 82.Kc7
                    2. Kd5
                    3. 83.d7
                      1. 83.Kd7
                      2. Ke5
                    5. 83...Ke6
                      1. 83...Kc5
                      2. 84.d8=Q
                    7. 84.d8=Q
                      1. 84.d8=R
                  6. 82...Kd5
                6. 81...Kc6
                  1. 81...Ke5
                  2. 82.d8=Q
                8. 82.d8=Q
                  1. 82.d8=R
              12. 80...Kc7
              13. 81.Ke7
              14. Kc6
              15. 82.d8=Q
                1. 82.d8=R
            5. 77...Ke5 with a winning endgame, for example:
            6. 78.d7
            7. Ke6
            8. 79.d8=Q
          5. 76...Ke6
          6. 77.Kc6
          7. Ke5 with a winning endgame, for example:
          8. 78.d7
          9. Ke6
          10. 79.d8=Q
        9. 75...Ke5
        10. 76.d7
          1. 76.Kc5
          2. Ke6
          3. 77.Kc6
          4. Ke5 with a winning endgame, for example:
          5. 78.d7
          6. Ke6
          7. 79.d8=Q
        12. 76...Kd6
          1. 76...Kf6
          2. 77.d8=Q+
          1. 76...Ke6
          2. 77.d8=Q
        14. 77.d8=Q+
          1. 77.d8=R+
      5. 73...Ke5
    6. 72...Kc4
    7. 73.Ke4
      1. 73.d5
      2. Kc5
    9. 73...Kc3 with a winning endgame, for example:
      1. 73...Kb5
      2. 74.Kd5
      3. Kb6
      4. 75.Kd6
      5. Ka5
      6. 76.d5
      7. Kb4 with a winning endgame, for example:
      8. 77.Ke6
      9. Kb5
      10. 78.d6
      11. Kb6
      12. 79.d7
      13. Kc7
      14. 80.Ke7
      15. Kc6
      16. 81.d8=Q
      1. 73...Kb4
      2. 74.d5
    11. 74.d5
    12. Kb4
    13. 75.d6
    14. Kc4
    15. 76.d7
    16. Kc5
    17. 77.d8=Q
  143. 71.Kxd5
  144. Kd3
  145. 72.Ke5
1-0
次の問題 ? ヘルプ