Решение шахматной задачи №62829
Мат в 4 хода |
a)
1.h7-h8=Q ! threat:
2.Qh8-h7 threat:
3.Qh7-c2 threat:
4.Rb5-a5 #
1...Ka2-b1
2.Qh8-c3 zugzwang.
2...Kb1-a1
3.Qc3-c2 threat:
4.Rb5-a5 #
2...Kb1-a2
3.Qc3-c2 threat:
4.Rb5-a5 #
b) wPb2-->g7
1.Kg8-h8 ! threat:
2.g7-g8=Q +
2...Ka2-a3
3.Qg8-a8 #
3.Qg8-b3 #
2...Ka2-a1
3.Qg8-a8 #
2.g7-g8=R threat:
3.Rg8-a8 #
1...Ka2-a3
2.g7-g8=Q threat:
3.Qg8-b3 #
3.Qg8-a8 #
2...Ka3-a4
3.Qg8-b3 #
1...Ka2-a1
2.g7-g8=R threat:
3.Rg8-a8 #
1.Kg8-f8 ! threat:
2.g7-g8=Q +
2...Ka2-a3
3.Qg8-b3 #
2...Ka2-a1
3.h7-h8=Q #
3.h7-h8=B #
1...Ka2-a1
2.g7-g8=S threat:
3.h7-h8=Q +
3...Ka1-a2
4.Qh8-b2 #
2.g7-g8=R threat:
3.h7-h8=Q +
3...Ka1-a2
4.Qh8-b2 #
3.Rg8-g4 threat:
4.Rg4-a4 #
3.Rg8-g6 threat:
4.Rg6-a6 #
3.Rg8-g7 threat:
4.Rg7-a7 #
3.Kf8-f7 threat:
4.Rg8-a8 #
3.Kf8-g7 threat:
4.Rg8-a8 #
3.Kf8-e7 threat:
4.Rg8-a8 #
2...Ka1-a2
3.Rg8-g1 zugzwang.
3...Ka2-a3
4.Rg1-a1 #
3.Rg8-g3 zugzwang.
3...Ka2-a1
4.Rg3-a3 #
3.Rg8-g6 threat:
4.Rg6-a6 #
3.Rg8-g7 threat:
4.Rg7-a7 #
3.Kf8-f7 threat:
4.Rg8-a8 #
3.Kf8-g7 threat:
4.Rg8-a8 #
3.Kf8-e7 threat:
4.Rg8-a8 #
3.h7-h8=Q threat:
4.Qh8-b2 #
3...Ka2-a3
4.Qh8-a1 #
2.Kf8-e8 zugzwang.
2...Ka1-a2
3.g7-g8=Q +
3...Ka2-a3
4.Qg8-b3 #
3...Ka2-a1
4.h7-h8=Q #
4.h7-h8=B #
2.Kf8-f7 threat:
3.h7-h8=Q threat:
4.Qh8-a8 #
3.h7-h8=R threat:
4.Rh8-a8 #
3.g7-g8=Q threat:
4.Qg8-a8 #
3.g7-g8=R threat:
4.Rg8-a8 #
2.Kf8-e7 threat:
3.g7-g8=R threat:
4.Rg8-a8 #
3.h7-h8=Q threat:
4.Qh8-a8 #
4.g7-g8=Q #
4.g7-g8=B #
3...Ka1-a2
4.Qh8-a8 #
3.h7-h8=R threat:
4.Rh8-a8 #
2.h7-h8=Q threat:
3.g7-g8=Q #
3.g7-g8=B #
2...Ka1-a2
3.g7-g8=Q +
3...Ka2-a3
4.Qh8-a1 #
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