Решение шахматной задачи №71175
Мат в 4 хода |
1.b6-b7 ! threat:
2.b7-b8=Q threat:
3.Qb8-d6 #
3.Qb8-b7 #
2...Kc6-d5
3.Bc8-b7 #
2.b7-b8=B zugzwang.
2...Kc6-d5
3.Bc8-b7 #
1...Kc6-c7
2.Kb4-b5 zugzwang.
2...Kc7-b8
3.Bc5-d6 +
3...Kb8-a7
4.b7-b8=Q #
2...Kc7-d8
3.b7-b8=Q threat:
4.Bc8-e6 #
1...Kc6-d5
2.b7-b8=Q threat:
3.Bc8-b7 #
2...Kd5-c6
3.Qb8-d6 #
3.Qb8-b7 #
2...Kd5-e4
3.Qb8-g3 zugzwang.
3...Ke4-d5
4.Bc8-b7 # |