Решение шахматной задачи №69592
Мат в 4 хода |
1.Sc3-d5 ! zugzwang.
1...Ka7-a8
2.Sd5-c7 +
2...Ka8-a7
3.a5-a6 threat:
4.Rb5-b7 #
2.a5-a6 threat:
3.Sd5-c7 +
3...Ka8-a7
4.Rb5-b7 #
3.Rb5-b7 threat:
4.Sd5-c7 #
4.Sd5-b6 #
2...d7-d6
3.Sd5-c7 +
3...Ka8-a7
4.Rb5-b7 #
2...Ka8-a7
3.Sd5-c7 threat:
4.Rb5-b7 #
1...Ka7-a6
2.Sd5-c7 +
2...Ka6-a7
3.a5-a6 threat:
4.Rb5-b7 #
1...d7-d6
2.Sd5-b4 threat:
3.Sb4-c6 +
3...Ka7-a8
4.Rb5-b8 #
3...Ka7-a6
4.Rb5-b6 # |