Решение шахматной задачи №71867
Мат в 4 хода |
1.Bb5-c6 ! threat:
2.Sb8-a6 threat:
3.Bd8-b6 +
3...Ka7*a6
4.b7-b8=S #
3.b7-b8=Q +
3...Ka7*a6
4.Qb8-b6 #
4.Qb8-b7 #
4.Qb8-a8 #
4.Bc6-b5 #
4.Sa4-c5 #
3.b7-b8=R threat:
4.Rb8-a8 #
3.b7-b8=B +
3...Ka7*a6
4.Sa4-c5 #
2...Ka7*a6
3.b7-b8=R threat:
4.Rb8-a8 #
2.Sb8-d7 threat:
3.b7-b8=Q +
3...Ka7-a6
4.Qb8-b6 #
4.Qb8-b7 #
4.Qb8-a8 #
4.Sd7-c5 #
4.Bc6-b5 #
4.Sa4-c5 #
3.b7-b8=R threat:
4.Rb8-a8 #
3.b7-b8=B +
3...Ka7-a6
4.Sd7-c5 #
4.Sa4-c5 #
3.Bd8-b6 +
3...Ka7-a6
4.Sa4-c5 #
4.Sd7-c5 #
4.Sd7-b8 #
4.b7-b8=S #
2...Ka7-a6
3.b7-b8=S +
3...Ka6-a7
4.Bd8-b6 #
3.b7-b8=R threat:
4.Rb8-a8 #
3.Sa4-c5 +
3...Ka6-a7
4.b7-b8=Q #
4.b7-b8=B #
4.Bd8-b6 #
1...Ka7*b8
2.Sa4-c3 zugzwang.
2...Kb8-a7
3.Sc3-b5 +
3...Ka7-b8
4.Bd8-c7 #
3...Ka7-a6
4.b7-b8=S # |