Решение шахматной задачи №72990
Мат в 4 хода |
1.Qa7-b7 ! zugzwang.
1...Kc4-d4
2.Ka5-b4 zugzwang.
2...Kd4-d3
3.Qb7-d5 +
3...Kd3-e2
4.Qd5-d2 #
3...Kd3-c2
4.Qd5-b3 #
2...Kd4-e5
3.Kb4-c5 threat:
4.Qb7-d5 #
1...Kc4-c5
2.Qb7-e4 threat:
3.Bg5-e7 #
2...Kc5-d6
3.Ka5-b6 zugzwang.
3...Kd6-d7
4.Qe4-c6 #
1...Kc4-c3
2.Qb7-b4 +
2...Kc3-d3
3.Ka5-a4 zugzwang.
3...Kd3-c2
4.Qb4-b3 #
3...Kd3-e2
4.Qb4-d2 #
2...Kc3-c2
3.Ka5-b5 zugzwang.
3...Kc2-d3
4.Qb4-c4 #
3...Kc2-d1
4.Qb4-d2 #
1...Kc4-d3
2.Qb7-b4 threat:
3.Ka5-a4 zugzwang.
3...Kd3-c2
4.Qb4-b3 #
3...Kd3-e2
4.Qb4-d2 #
2...Kd3-c2
3.Ka5-b5 zugzwang.
3...Kc2-d3
4.Qb4-c4 #
3...Kc2-d1
4.Qb4-d2 # |