Решение шахматной задачи №70821
Мат в 4 хода |
1.Qg7-g5 ! threat:
2.Kb7-c7 zugzwang.
2...Ke6-f7
3.Kc7-d7 threat:
4.Qg5-g7 #
2.Kb7-c6 zugzwang.
2...Ke6-f7
3.Kc6-d7 threat:
4.Qg5-g7 #
3.Qg5-g7 +
3...Kf7-e8
4.Qg7-e7 #
4.Qg7-g8 #
3...Kf7-e6
4.Qg7-e7 #
1...Ke6-d6
2.f6-f7 threat:
3.f7-f8=Q +
3...Kd6-e6
4.Qf8-e7 #
4.Qg5-f5 #
3...Kd6-d7
4.Qg5-f5 #
4.Qf8-e7 #
4.Qg5-e7 #
4.Qg5-d5 #
3.f7-f8=B +
3...Kd6-e6
4.Qg5-f5 #
3...Kd6-d7
4.Qg5-e7 #
3.Qg5-f5 threat:
4.f7-f8=Q #
4.f7-f8=B #
3...Kd6-e7
4.f7-f8=Q #
2...Kd6-e6
3.f7-f8=Q threat:
4.Qf8-e7 #
4.Qg5-f5 #
3.Qg5-f5 +
3...Ke6-e7
4.f7-f8=Q #
3...Ke6-d6
4.f7-f8=Q #
4.f7-f8=B #
1...Ke6-f7
2.Qg5-e5 threat:
3.Qe5-e7 +
3...Kf7-g8
4.Qe7-g7 #
3...Kf7-g6
4.Qe7-g7 # |