Решение шахматной задачи №74030
Мат в 4 хода |
1.c3-c4 ! zugzwang.
1...Kc7-b8
2.Qh1-c6 threat:
3.Qc6-b5 zugzwang.
3...Kb8-c7
4.b7-b8=Q #
3...Kb8-a7
4.b7-b8=Q #
3.Qc6-c8 +
3...Kb8-a7
4.b7-b8=Q #
2...Kb8-a7
3.Qc6-c7 zugzwang.
3...Ka7-a6
4.b7-b8=S #
1...Kc7-d7
2.b7-b8=Q threat:
3.Qh1-d5 +
3...Kd7-e7
4.Qb8-d8 #
3.Qh1-e1 threat:
4.Qe1-e8 #
2...Kd7-e7
3.Qh1-d5 threat:
4.Qb8-d8 #
3...Ke7-f6
4.Qb8-e5 #
4.Qb8-f8 #
2...Kd7-e6
3.Qh1-d5 +
3...Ke6-f6
4.Qb8-e5 #
4.Qb8-f8 #
3...Ke6-e7
4.Qb8-d8 #
1...Kc7-d8
2.b7-b8=Q +
2...Kd8-d7
3.Qh1-d5 +
3...Kd7-e7
4.Qb8-d8 #
3.Qh1-e1 threat:
4.Qe1-e8 #
2...Kd8-e7
3.Qh1-d5 threat:
4.Qb8-d8 #
3...Ke7-f6
4.Qb8-e5 #
4.Qb8-f8 #
1...Kc7-d6
2.b7-b8=Q +
2...Kd6-e6
3.Qh1-d5 +
3...Ke6-f6
4.Qb8-e5 #
4.Qb8-f8 #
3...Ke6-e7
4.Qb8-d8 #
2...Kd6-d7
3.Qh1-d5 +
3...Kd7-e7
4.Qb8-d8 #
3.Qh1-e1 threat:
4.Qe1-e8 #
2...Kd6-e7
3.Qh1-d5 threat:
4.Qb8-d8 #
3...Ke7-f6
4.Qb8-e5 #
4.Qb8-f8 #
1...Kc7-b6
2.b7-b8=Q +
2...Kb6-a6
3.Qh1-a8 #
3.Qh1-a1 #
2...Kb6-a5
3.Qh1-a1 #
3.Qb8-b5 #
3.Qh1-a8 # |