問題 958212: 白が終盤で引き分けとするために

FM Jens E Ingebretsen (2325) - FM Vilmos Balint (2283)
Titled Tue 28th Jun Late chess.com INT (3), 2022.06.28 FM Jens E Ingebretsen (2325) - FM Vilmos Balint (2283)
Titled Tue 28th Jun Late chess.com INT (3), 2022.06.28

1.g3
g6
2.Bg2
Bg7
3.c4
f5
4.Nc3
Nf6
5.d3
O-O
6.e4
d6
7.Nge2
Nc6
8.O-O
e5
9.h3
Be6
10.Be3
Qd7
11.exf5
Bxf5
12.g4
Be6
13.f4
exf4
14.Nxf4
Bf7
15.Ncd5
Ne5
16.Nxf6+
Bxf6
17.Nd5
Bg7
18.Bh6
Bxd5
19.Bxd5+
Kh8
20.Qd2
c6
21.Bg2
Bxh6
22.Qxh6
Qg7
23.Qxg7+
Kxg7
24.Be4
b6
25.b3
Rac8
26.d4
Nd7
27.Rxf8
Nxf8
28.Kf2
Ne6
29.Ke3
c5
30.dxc5
dxc5
31.Bd5
Nd4
32.Rf1
Rc7
33.h4
Re7+
34.Kd3
h6
35.g5
h5
36.Be4
Re6
37.b4
Nc2
38.bxc5
Nb4+
39.Ke3
bxc5
40.Rd1
Re7
41.Kf4
Rf7+
42.Kg3
Re7
43.Kf3
Rf7+
44.Ke3
Nxa2
45.Rd6
Nc3
46.Rxg6+
Kf8
47.Rc6
Re7
48.Rc8+
Kg7
49.Rxc5
Nxe4
50.Ra5
Nxg5+
51.Kf4
Ne4
52.Rxh5
Nd6
53.c5
Ne8
54.Rg5+
Kf7
55.Rf5+
Nf6
56.c6
Ke6
57.Re5+
Kd6
58.Rxe7
Kxe7
59.c7
Kd7
60.Kf5
Ne8
61.Kg6
a5
62.h5
Nxc7
1. 解決策:62...Nxc7
2. 63.h6
3. Ne6
4. 64.Kf6
5. 1. 64.Kf5
  2. Nf8
  3. 1. 64...Nd8 with a drawn endgame, for example:
    2. 65.Ke5
    3. Nf7+
    4. 66.Kd5
    5. Nxh6
    6. 67.Kc5
    7. Nf7
    8. 68.Kb5
    9. Kd6
    10. 69.Kxa5
  4. 65.Ke5
  5. 1. 65.Ke4
    2. Kc7 with a drawn endgame, for example:
    3. 1. 65...Kc6 with a drawn endgame, for example:
      2. 66.Kd4
      3. Kb5
      4. 67.Kc3
      5. Nh7
      6. 68.Kb3
      7. Nf6
      8. 69.Ka3
      9. Kc6
      10. 70.Kb3
      11. Kb6
      12. 71.Kc4
      13. Nh7
      14. 72.Kc3
      15. Kc6
      16. 73.Kb2
      17. Nf6
      18. 74.Ka2
      19. Kb6
      20. 75.Kb2
      21. Kb5
      22. 76.Kb1
      23. Ka6
      24. 77.Kc2
      25. Kb6
      26. 78.Kb2
      27. Kc5
      28. 79.Kb3
      29. Nh7
      30. 80.Ka4
      31. Kb6
      32. 81.Kb3
      33. Kb5
      34. 82.Kb2
      35. Ka4
      36. 83.Ka2
      37. Ng5
      38. 84.Kb2
      39. Kb4
      40. 85.Ka2
      41. Kc4
      42. 86.Ka3
      43. Kc5
      44. 87.Ka4
      45. Kb6
      46. 88.Kb3
      47. Kb5
      48. 89.Ka3
      49. Nh7
      50. 90.Kb3
      51. a4+
      52. 91.Ka3
      53. Ng5
      54. 92.Ka2
      55. Ka5
      56. 93.Kb1
      57. Kb5
      58. 94.Ka1
      59. Kc5
      60. 95.Kb1
      61. Nh7
      62. 96.Kb2
      63. Ng5
      64. 97.Ka3
      65. Nf7
      66. 98.Kxa4
      67. Nxh6
      1. 65...Ke6
      2. 66.Kd4
      3. Kd6 with a drawn endgame, for example:
      4. 67.Kc3
      5. Kc6
      6. 68.Kb2
      7. Kb5
      8. 69.Kb3
      9. a4+
      10. 70.Ka3
      11. Nh7
      12. 71.Kb2
      13. Kb4
      14. 72.Ka2
      15. Nf6
      16. 73.Kb2
      17. Kc5
      18. 74.Ka3
      19. Kb5
      20. 75.Kb2
      21. Kb4
      22. 76.Ka2
      23. Nh7
      24. 77.Kb2
      25. Ka5
      26. 78.Kc1
      27. Kb4
      28. 79.Kb2
      29. a3+
      30. 80.Ka2
      31. Nf6
      32. 81.Kb1
      33. Kb3
      34. 82.Ka1
      35. Kb4
      36. 83.Ka2
      37. Ka4
      38. 84.Kb1
      39. Nh7
      40. 85.Ka2
      41. Nf8
      42. 86.Kb1
      43. Kb4
      44. 87.Ka2
      45. Nh7
      46. 88.Ka1
      47. Ka5
      48. 89.Kb1
      49. Kb4
      50. 90.Ka2
      51. Nf8
      52. 91.Kb1
      53. Kc3
      54. 92.Ka2
      55. Nh7
      56. 93.Kxa3
      57. Nf8
      58. 94.Ka4
      59. Kc4
      60. 95.Ka5
      61. Kc5
      62. 96.Ka6
      63. Kc6
      64. 97.Ka7
      65. Kc7
      66. 98.Ka8
      67. Nh7
      68. 99.Ka7
      69. Nf6
      70. 100.Ka6
      71. Kc6
      72. 101.Ka7
      73. Nh7
      74. 102.Kb8
      75. Ng5
      76. 103.Kc8
      77. Nh7
      78. 104.Kd8
      79. Kd6
      80. 105.Ke8
      81. Ke6
      82. 106.Kd8
      83. Kf6
      84. 107.Kd7
      85. Kg6
      86. 108.Ke6
      87. Kxh6
    4. 66.Kd4
    5. Kb6
    6. 67.Kc3
    7. Nh7
    8. 68.Kb2
    9. Kb5
    10. 69.Ka2
    11. Ka4
    12. 70.Kb2
    13. Kb4
    14. 71.Ka2
    15. Ng5
    16. 72.Kb2
    17. a4
    18. 73.Ka2
    19. Kb5
    20. 74.Kb1
    21. Kb4
    22. 75.Ka2
    23. Nh7
    24. 76.Kb2
    25. Nf6
    26. 77.Ka2
    27. Kc4
    28. 78.Ka3
    29. Kb5
    30. 79.Kb2
    31. Ka5
    32. 80.Kc1
    33. Nh7
    34. 81.Kb1
    35. a3
    36. 82.Ka2
    37. Ka4
    38. 83.Ka1
    39. Ng5
    40. 84.Kb1
    41. Ka5
    42. 85.Ka1
    43. Nh7
    44. 86.Kb1
    45. Kb4
    46. 87.Ka2
    47. Nf6
    48. 88.Kb1
    49. Kb3
    50. 89.Ka1
    51. Kb4
    52. 90.Ka2
    53. Ka4
    54. 91.Kb1
    55. Nh7
    56. 92.Ka2
    57. Nf8
    58. 93.Kb1
    59. Kb4
    60. 94.Ka2
    61. Nh7
    62. 95.Ka1
    63. Ng5
    64. 96.Kb1
    65. Ka4
    66. 97.Kc2
    67. Kb4
    68. 98.Kb1
    69. Kb3
    70. 99.Ka1
    71. Nf7
    72. 100.h7
    73. Nh8
    74. 101.Kb1
    75. Nf7
    76. 102.Ka1
    77. Ka4
    78. 103.Ka2
    79. Kb4
    80. 104.Kb1
    81. Kc5
    82. 105.Ka2
    83. Kd4
    84. 106.Kxa3
    85. Ke5
    86. 107.Kb2
    87. Kf6
    88. 108.Kb3
    89. Kg7
    90. 109.Kc4
    91. Kxh7
  6. 65...Kc8 with a drawn endgame, for example:
  7. 1. 65...Kc7 with a drawn endgame, for example:
    2. 66.Kf6
    3. a4
    4. 67.Kf7
    5. Nh7
    6. 68.Kg6
    7. Nf8+
    8. 69.Kf7
    9. a3
    10. 70.Kxf8
    11. a2
    1. 65...Kc6 with a drawn endgame, for example:
    2. 66.Kf6
    3. a4
    4. 67.Kf7
    5. Nh7
    6. 68.Kg6
    7. Nf8+
    8. 69.Kf7
    9. Nh7
    10. 70.Kg6
    11. Nf8+
    12. 71.Kf7
  8. 66.Ke4
  9. Kb7
  10. 67.Kd5
  11. Kb6
  12. 68.Ke5
  13. Kc5
  14. 69.Kf6
  15. a4
  16. 70.Kf7
  17. Nh7
  18. 71.Kg6
  19. Nf8+
  20. 72.Kf7
  21. a3
  22. 73.Kxf8
  23. a2
6. 64...Nf8
7. 65.Kf7
8. 1. 65.Ke5 反復による引き分け
9. 65...Nh7
10. 1. 65...Ne6
  2. 66.Kf6
  3. Nf8
  4. 67.Ke5 反復による引き分け
11. 66.Kg6
12. Nf8+
13. 67.Kf7
14. Ne6
15. 1. 67...Nh7
  2. 68.Kg6
  3. Nf8+
  4. 69.Kf7 反復による引き分け
16. 68.Kf6
17. Nf8
18. 69.Kf7 反復による引き分け
19. 1. 69.Ke5 反復による引き分け
63.h6
Ne6
64.Kf6
Nf8
65.Kf7
Nh7
66.Kg7
a4
67.Kxh7
a3
68.Kg8
a2
69.h7
a1=Q
70.h8=Q
Qa8+
71.Kh7
Qxh8+
72.Kxh8

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問題 958212: 白 が 終盤で引き分けとするために

問題 958212: 白 が 終盤で引き分けとするために

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問題 958212: 白が終盤で引き分けとするために

問題 958212: 白が終盤で引き分けとするために