Решение шахматной задачи №64810
Мат в 4 хода |
a)
1.Sh1-f2 ! zugzwang.
1...Ke8-d8
2.Sf2-d3 zugzwang.
2...Kd8-e8
3.Sd3-e5 zugzwang.
3...Ke8-f8
4.Qh7-f7 #
3...Ke8-d8
4.Qh7-d7 #
2...Kd8-c8
3.Sd3-c5 zugzwang.
3...Kc8-d8
4.Qh7-d7 #
3...Kc8-b8
4.Qh7-b7 #
1...Ke8-f8
2.Sf2-d3 zugzwang.
2...Kf8-e8
3.Sd3-e5 zugzwang.
3...Ke8-f8
4.Qh7-f7 #
3...Ke8-d8
4.Qh7-d7 #
b) bKe8-->b8
1.Sh1-g3 ! threat:
2.Sg3-e4 threat:
3.Se4-d6 threat:
4.Qh7-b7 #
2...Kb8-c8
3.Se4-c5 zugzwang.
3...Kc8-b8
4.Qh7-b7 #
3...Kc8-d8
4.Qh7-d7 #
1...Kb8-c8
2.Sg3-f5 zugzwang.
2...Kc8-b8
3.Sf5-d6 threat:
4.Qh7-b7 #
2...Kc8-d8
3.Qh7-b7 zugzwang.
3...Kd8-e8
4.Qb7-e7 # |