Решение шахматной задачи №77250
Мат в 4 хода |
1.Kb5-c6 ! zugzwang.
1...Rb7*c7 +
2.b6*c7 threat:
3.c7-c8=Q +
3...Ka8-a7
4.Qc8-b7 #
2...Ka8-a7
3.c7-c8=R zugzwang.
3...Ka7-a6
4.Rc8-a8 #
1...Rb7*b6 +
2.Kc6*b6 threat:
3.Rc7-c8 #
2...Ka8-b8
3.Rc7-c1 zugzwang.
3...Kb8-a8
4.Rc1-c8 #
3.Rc7-c2 zugzwang.
3...Kb8-a8
4.Rc2-c8 #
3.Rc7-c3 zugzwang.
3...Kb8-a8
4.Rc3-c8 #
3.Rc7-c4 zugzwang.
3...Kb8-a8
4.Rc4-c8 #
3.Rc7-c5 zugzwang.
3...Kb8-a8
4.Rc5-c8 #
3.Rc7-c6 zugzwang.
3...Kb8-a8
4.Rc6-c8 #
1...Rb7-a7
2.Rc7-c8 #
1...Rb7-b8
2.Rc7-a7 #
1...Ka8-b8
2.Rc7*b7 +
2...Kb8-c8
3.Rb7-d7 zugzwang.
3...Kc8-b8
4.Rd7-d8 #
2...Kb8-a8
3.Rb7-d7 threat:
4.Rd7-d8 #
3.Rb7-h7 threat:
4.Rh7-h8 #
3.Rb7-g7 threat:
4.Rg7-g8 #
3.Rb7-f7 threat:
4.Rf7-f8 #
3.Rb7-e7 threat:
4.Re7-e8 # |