Решение шахматной задачи №71811
Мат в 4 хода |
1.Sc6-d4 ! threat:
2.Kf7-e7 zugzwang.
2...Kc8-b8
3.Sd4-b5 zugzwang.
3...Kb8-c8
4.Ra7-a8 #
2.Kf7-e8 zugzwang.
2...Kc8-b8
3.Sd4-b5 zugzwang.
3...Kb8-c8
4.Ra7-a8 #
2.Kf7-e6 zugzwang.
2...Kc8-b8
3.Sd4-b5 zugzwang.
3...Kb8-c8
4.Ra7-a8 #
2...Kc8-d8
3.Sd4-b5 threat:
4.Ra7-a8 #
2.Ra7-b7 zugzwang.
2...Kc8-d8
3.a6-a7 threat:
4.a7-a8=Q #
4.a7-a8=R #
3...Kd8-c8
4.a7-a8=Q #
2.Sd4-b5 zugzwang.
2...Kc8-b8
3.Kf7-e7 zugzwang.
3...Kb8-c8
4.Ra7-a8 #
3.Kf7-e8 zugzwang.
3...Kb8-c8
4.Ra7-a8 #
3.Kf7-e6 zugzwang.
3...Kb8-c8
4.Ra7-a8 #
3.Ra7-c7 zugzwang.
3...Kb8-a8
4.Rc7-c8 #
2...Kc8-d8
3.Kf7-e6 threat:
4.Ra7-a8 #
1...Kc8-d8
2.Ra7-e7 threat:
3.a6-a7 threat:
4.a7-a8=Q #
4.a7-a8=R #
1...Kc8-b8
2.Ra7-e7 zugzwang.
2...Kb8-a8
3.Sd4-b5 threat:
4.Re7-e8 #
2...Kb8-c8
3.a6-a7 threat:
4.a7-a8=Q #
4.a7-a8=R # |