Решение шахматной задачи №73670
Мат в 4 хода |
1.Sf7-d8 ! zugzwang.
1...Sb7*a5
2.c7-c8=Q +
2...Sa5-b7
3.Qc8*b7 #
2...Ka6*b6
3.Qc8-c5 +
3...Kb6-a6
4.Qc5*a5 #
1...Sb7-c5
2.c7-c8=Q +
2...Sc5-b7
3.Qc8*b7 #
3.Qc8-c4 #
3.Qc8-a8 #
2.c7-c8=B +
2...Sc5-b7
3.Bc8*b7 #
1...Sb7-d6
2.b6-b7 threat:
3.b7-b8=Q threat:
4.Qb8-b6 #
4.Qb8-a8 #
3...Sd6-b5
4.Qb8-b6 #
4.Qb8-b7 #
4.c7-c8=Q #
4.c7-c8=B #
3...Sd6-c4
4.Qb8-b7 #
4.Qb8-a8 #
4.c7-c8=Q #
4.c7-c8=B #
3...Sd6-c8
4.Qb8-b7 #
3...Sd6-b7
4.Qb8*b7 #
4.Qb8-a8 #
2...Sd6-c4
3.c7-c8=S threat:
4.b7-b8=S #
2...Sd6*b7
3.c7-c8=Q threat:
4.Qc8*b7 #
4.Qc8-a8 #
3...Ka6-a7
4.Qc8*b7 #
1...Sb7*d8
2.c7-c8=Q +
2...Sd8-b7
3.Qc8-c4 #
3.Qc8-a8 # |