Решение шахматной задачи №76806
Мат в 4 хода |
1.Ke4-e5 ! zugzwang.
1...Kc8-d7
2.a6-a7 zugzwang.
2...Kd7-d8
3.a7-a8=Q +
3...Kd8-d7
4.Ra5-a7 #
3.Ke5-e6 threat:
4.a7-a8=Q #
4.a7-a8=R #
3...Kd8-c8
4.a7-a8=Q #
2...Kd7-c8
3.a7-a8=Q +
3...Kc8-d7
4.Ra5-a7 #
2...Kd7-e8
3.a7-a8=Q +
3...Ke8-f7
4.Ra5-a7 #
3...Ke8-d7
4.Ra5-a7 #
2...Kd7-c6
3.a7-a8=Q +
3...Kc6-b6
4.Qa8-a6 #
3...Kc6-d7
4.Ra5-a7 #
1...Kc8-d8
2.Ke5-e6 threat:
3.a6-a7 threat:
4.a7-a8=Q #
4.a7-a8=R #
3...Kd8-c8
4.a7-a8=Q #
3.Ra5-g5 threat:
4.Rg5-g8 #
3.Ra5-c5 zugzwang.
3...Kd8-e8
4.Rc5-c8 #
2...Kd8-e8
3.Ra5-f5 zugzwang.
3...Ke8-d8
4.Rf5-f8 #
2...Kd8-c8
3.Ra5-b5 zugzwang.
3...Kc8-d8
4.Rb5-b8 #
1...Kc8-b8
2.a6-a7 +
2...Kb8-c8
3.a7-a8=Q +
3...Kc8-d7
4.Ra5-a7 #
2...Kb8-a8
3.Ra5-a6 zugzwang.
3...Ka8-b7
4.a7-a8=Q #
2...Kb8-b7
3.a7-a8=Q +
3...Kb7-b6
4.Qa8-a6 # |