問題 316396: 白が終盤で引き分けとするために

WFM Darya Trapeznikova (2065) - IM Jaroslav Ulko (2437)
Titled Tuesday 2nd Mar chess.com INT (7), 2021.03.02 WFM Darya Trapeznikova (2065) - IM Jaroslav Ulko (2437)
Titled Tuesday 2nd Mar chess.com INT (7), 2021.03.02

1.e4
e5
2.Nf3
d6
3.d4
exd4
4.Nxd4
Nf6
5.Nc3
Be7
6.Bc4
O-O
7.O-O
Re8
8.h3
Bf8
9.Re1
c6
10.Bd3
Nbd7
11.Bg5
h6
12.Bh4
Ne5
13.Nf5
Bxf5
14.exf5
d5
15.Qd2
Ned7
16.Rxe8
Qxe8
17.Re1
Qd8
18.Ne2
Qb6
19.c3
Re8
20.b3
Ne4
21.Bxe4
Rxe4
22.Bg3
Nf6
23.Kh2
Bc5
24.f3
Re8
25.Nf4
Rxe1
26.Qxe1
Bd6
27.Ne2
Qc7
28.Bxd6
Qxd6+
29.Qg3
Qxg3+
30.Kxg3
Kf8
31.Kf4
Ke7
32.Ke5
Nd7+
33.Kd4
Kd6
34.f4
c5+
35.Kd3
Nf6
36.g4
Ne4
37.Ke3
b5
38.h4
f6
39.c4
a6
40.a4
bxa4
41.bxa4
a5
42.h5
Kc6
43.cxd5+
Kxd5
44.Nc1
c4
45.g5
hxg5
46.fxg5
Nxg5
47.Ne2
Ke5
48.Ng3
Nf7
49.Kd2
Nd6
50.Kc3
Ne4+
51.Nxe4
Kxe4
52.Kxc4
Kxf5
53.Kb5
Ke5
54.Kxa5
f5
55.Kb6
f4
56.a5
f3
57.a6
f2
58.a7
f1=Q
59.a8=Q
Qb1+
60.Kc5
Qc2+
61.Kb4
Qb2+
62.Kc4
Qd4+
63.Kb3
Qd5+
1. 解決策:63...Qd5+
2. 64.Qxd5+
3. Kxd5
4. 65.Kc2
5. 1. 65.Kc3
  2. Ke4
  3. 66.Kd2
6. 65...Ke4
7. 66.Kd1
8. 1. 66.Kd2
  2. Kf4
  3. 67.h6
  4. gxh6
  5. 68.Ke1
  6. 1. 68.Ke2
    2. Kg5 with a drawn endgame, for example:
    3. 1. 68...Kg4 with a drawn endgame, for example:
      2. 69.Kf2
      3. h5
      4. 70.Kg2
      5. Kh4
      6. 71.Kh2
      7. Kg4
      8. 72.Kg2
      9. h4
      10. 73.Kh2
      11. h3
      12. 74.Kh1
      13. Kg3
      14. 75.Kg1
      15. h2+
      16. 76.Kh1
      17. Kh3 stalemate
    4. 69.Kf3
    5. Kh5
    6. 70.Kg3
    7. Kg6
    8. 71.Kg4
    9. h5+
    10. 72.Kh4
    11. Kh6
    12. 73.Kh3
    13. Kg5
    14. 74.Kg3
    15. h4+
    16. 75.Kh3
    17. Kh5
    18. 76.Kg2
    19. Kg4
    20. 77.Kh2
    21. h3
    22. 78.Kh1
    23. Kg3
    24. 79.Kg1
    25. h2+
    26. 80.Kh1
    27. Kh3 stalemate
  7. 68...Ke3
  8. 1. 68...Kg5 with a drawn endgame, for example:
    2. 69.Kf2
    3. h5
    4. 70.Kg3
    5. h4+
    6. 71.Kh3
    7. Kh5
    8. 72.Kg2
    9. Kg4
    10. 73.Kh2
    11. h3
    12. 74.Kh1
    13. Kg3
    14. 75.Kg1
    15. h2+
    16. 76.Kh1
    17. Kh3 stalemate
    1. 68...Kg4 with a drawn endgame, for example:
    2. 69.Kf2
    3. h5
    4. 70.Kg2
    5. Kh4
    6. 71.Kh2
    7. Kg4
    8. 72.Kg2
    9. h4
    10. 73.Kh2
    11. h3
    12. 74.Kh1
    13. Kg3
    14. 75.Kg1
    15. h2+
    16. 76.Kh1
    17. Kh3 stalemate
9. 66...Kf4
10. 1. 66...Kf5
  2. 67.h6
  3. gxh6 with a drawn endgame, for example:
  4. 68.Ke2
  5. Kg4
  6. 69.Kf2
  7. h5
  8. 70.Kg2
  9. Kh4
  10. 71.Kh2
  11. Kg4
  12. 72.Kg2
  13. h4
  14. 73.Kh2
  15. h3
  16. 74.Kh1
  17. Kg3
  18. 75.Kg1
  19. h2+
  20. 76.Kh1
  21. Kh3 stalemate
11. 67.h6
12. gxh6
13. 68.Ke1
14. 1. 68.Ke2
  2. Kg5 with a drawn endgame, for example:
  3. 1. 68...Kg4 with a drawn endgame, for example:
    2. 69.Kf2
    3. h5
    4. 70.Kg2
    5. Kh4
    6. 71.Kh2
    7. Kg4
    8. 72.Kg2
    9. h4
    10. 73.Kh2
    11. h3
    12. 74.Kh1
    13. Kg3
    14. 75.Kg1
    15. h2+
    16. 76.Kh1
    17. Kh3 stalemate
  4. 69.Kf3
  5. Kh5
  6. 70.Kg3
  7. Kg6
  8. 71.Kg4
  9. h5+
  10. 72.Kh4
  11. Kh6
  12. 73.Kh3
  13. Kg5
  14. 74.Kg3
  15. h4+
  16. 75.Kh3
  17. Kh5
  18. 76.Kg2
  19. Kg4
  20. 77.Kh2
  21. h3
  22. 78.Kh1
  23. Kg3
  24. 79.Kg1
  25. h2+
  26. 80.Kh1
  27. Kh3 stalemate
15. 68...Kg5 with a drawn endgame, for example:
16. 69.Kf2
17. h5
18. 70.Kg3
19. h4+
20. 71.Kh3
21. Kh5
22. 72.Kg2
23. Kg4
24. 73.Kh2
25. h3
26. 74.Kh1
27. Kg3
28. 75.Kg1
29. h2+
30. 76.Kh1
31. Kh3 stalemate
64.Qxd5+
Kxd5
65.Kc3
Ke4
66.Kc4
Kf4
67.Kd4
Kg5
68.Ke4
Kxh5
69.Kf3
Kg5
70.Kg3
g6
71.Kg2
Kg4
72.Kf2
Kh3
73.Kg1
g5
74.Kh1
g4
75.Kg1
Kg3
76.Kh1
Kf2
77.Kh2
g3+
78.Kh1
g2+

0-1

Solution explained by GM Daniel King

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問題 316396: 白 が 終盤で引き分けとするために

問題 316396: 白 が 終盤で引き分けとするために

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問題 316396: 白が終盤で引き分けとするために

問題 316396: 白が終盤で引き分けとするために