Решение шахматной задачи №72380
Мат в 4 хода |
1.b6-b7 ! zugzwang.
1...Kb2*a3
2.b7-b8=Q zugzwang.
2...Ka3-a4
3.Sf3-d4 zugzwang.
3...Ka4-a5
4.Qb8-b5 #
3...Ka4-a3
4.Qb8-b3 #
2...Ka3-a2
3.Sf3-d2 zugzwang.
3...Ka2-a3
4.Qb8-b3 #
3...Ka2-a1
4.Qb8-b1 #
1...Kb2-c2
2.b7-b8=Q threat:
3.Qb8-b3 +
3...Kc2-c1
4.Ra3-a1 #
2...Kc2-c1
3.Ra3-a2 zugzwang.
3...Kc1-d1
4.Qb8-b1 #
2...Kc2-d1
3.Qb8-b1 +
3...Kd1-e2
4.Qb1-e1 #
1...Kb2-b1
2.b7-b8=Q +
2...Kb1-c1
3.Ra3-a2 zugzwang.
3...Kc1-d1
4.Qb8-b1 #
2...Kb1-c2
3.Qb8-b3 +
3...Kc2-c1
4.Ra3-a1 #
1...Kb2-c1
2.b7-b8=Q threat:
3.Ra3-a2 zugzwang.
3...Kc1-d1
4.Qb8-b1 #
2...Kc1-d1
3.Qb8-b1 +
3...Kd1-e2
4.Qb1-e1 #
2...Kc1-c2
3.Qb8-b3 +
3...Kc2-c1
4.Ra3-a1 # |