Решение шахматной задачи №64073
Мат в 4 хода |
1.f7-f8=R ! zugzwang.
1...Rh8-g8
2.Rf8*g8 threat:
3.Rg8-a8 threat:
4.Ra7-a1 #
2...c5-c4
3.Rg8-g5 zugzwang.
3...Kb1*c1
4.Rg5-g1 #
1...c5-c4
2.b2-b3 threat:
3.b3*c4 #
2...Kb1-b2
3.Ra7-a2 +
3...Kb2-b1
4.b3*c4 #
3...Kb2*c3
4.Rf8-f3 #
3.Bh6-d2 threat:
4.b3*c4 #
3...c4*b3
4.Rb6*b3 #
2...c4*b3
3.Rb6*b3 #
1...Rh8*f8
2.e7*f8=Q threat:
3.Qf8-a8 threat:
4.Ra7-a1 #
2...c5-c4
3.Rb6-a6 zugzwang.
3...Kb1*b2
4.Qf8-b4 #
3.Rb6*e6 zugzwang.
3...Kb1*b2
4.Qf8-b4 #
3.Rb6-c6 zugzwang.
3...Kb1*b2
4.Qf8-b4 #
2.e7*f8=R threat:
3.Rf8-a8 threat:
4.Ra7-a1 #
2...c5-c4
3.Rf8-f4 zugzwang.
3...Kb1*c1
4.Rf4-f1 #
1.e7-e8=Q ! zugzwang.
1...Rh8-g8
2.f7*g8=R threat:
3.Qe8-a8 threat:
4.Ra7-a1 #
2...c5-c4
3.Rg8-g5 zugzwang.
3...Kb1*c1
4.Rg5-g1 #
1...c5-c4
2.b2-b3 threat:
3.b3*c4 #
2...Kb1-b2
3.Qe8*h8 zugzwang.
3...Kb2*c3
4.Ke5*e6 #
3...Kb2-b1
4.b3*c4 #
3...c4*b3
4.Rb6*b3 #
3.Bh6-d2 threat:
4.b3*c4 #
3...c4*b3
4.Rb6*b3 #
2...c4*b3
3.Rb6*b3 #
1...Rh8*e8
2.d7*e8=B zugzwang.
2...c5-c4
3.Be8-a4 zugzwang.
3...Kb1-a1
4.Ba4*c2 #
1...Rh8-f8
2.Qe8*f8 threat:
3.Qf8-a8 threat:
4.Ra7-a1 #
2...c5-c4
3.Rb6-a6 zugzwang.
3...Kb1*b2
4.Qf8-b4 #
3.Rb6*e6 zugzwang.
3...Kb1*b2
4.Qf8-b4 #
3.Rb6-c6 zugzwang.
3...Kb1*b2
4.Qf8-b4 #
1.d7-d8=Q ! zugzwang.
1...Rh8-f8
2.e7*f8=Q threat:
3.Qd8-a8 threat:
4.Ra7-a1 #
2...c5-c4
3.Rb6-a6 zugzwang.
3...Kb1*b2
4.Qf8-b4 #
3.Rb6*e6 zugzwang.
3...Kb1*b2
4.Qf8-b4 #
3.Rb6-c6 zugzwang.
3...Kb1*b2
4.Qf8-b4 #
1...c5-c4
2.b2-b3 threat:
3.b3*c4 #
2...Kb1-b2
3.b3*c4 +
3...Kb2*c3
4.Qd8-d3 #
4.Qd8-d4 #
3.Qd8*h8 zugzwang.
3...Kb2*c3
4.Ke5*e6 |