Решение шахматной задачи №91450
Мат в 4 хода |
1.Rf1-a1 ! threat:
2.Ra1*a3 zugzwang.
2...Kb2-b1
3.Ra4-b4 +
3...Kb1-c1
4.Ra3-a1 #
3.Kd3-c3 threat:
4.Ra3-a1 #
3.Ra3-b3 +
3...Kb1-c1
4.Ra4-a1 #
2...Kb2-c1
3.Ra3-b3 threat:
4.Ra4-a1 #
3.Ra4-b4 threat:
4.Ra3-a1 #
1...Kb2-b3
2.Ra1-a2 zugzwang.
2...Kb3*a4
3.Kd3-c4 zugzwang.
3...Ka4*a5
4.Ra2*a3 #
2...Kb3*a2
3.Kd3-c2 zugzwang.
3...Ka2-a1
4.Ra4*a3 #
1...Kb2*a1
2.Kd3-c3 zugzwang.
2...Ka1-b1
3.Ra4*a3 zugzwang.
3...Kb1-c1
4.Ra3-a1 #
2...Ka1-a2
3.Kc3-c2 zugzwang.
3...Ka2-a1
4.Ra4*a3 #
2...a3-a2
3.Ra4-e4 threat:
4.Re4-e1 #
1...a3-a2
2.Ra4*a2 +
2...Kb2-b3
3.Kd3-d4 zugzwang.
3...Kb3-b4
4.Ra2-b2 #
4.Ra1-b1 # |