Решение шахматной задачи №74677
Мат в 4 хода |
1.Qb2-g2 ! threat:
2.b6-b7 threat:
3.b7-b8=S threat:
4.Qg2-c6 #
4.Qg2-g5 #
3...Kc5-b5
4.Qg2-c6 #
2.Qg2-a8 zugzwang.
2...Kc5-b5
3.Qa8-c8 zugzwang.
3...Kb5-a4
4.Qc8-a6 #
4.Qc8-d7 #
4.Qc8-c6 #
4.Qc8-e8 #
2.Qg2-b7 zugzwang.
2...Kc5-b5
3.Qb7-c8 zugzwang.
3...Kb5-a4
4.Qc8-a6 #
4.Qc8-d7 #
4.Qc8-c6 #
4.Qc8-e8 #
1...Kc5-b5
2.b6-b7 threat:
3.b7-b8=Q +
3...Kb5-a6
4.Qb8-b6 #
4.Qb8-b7 #
4.Qg2-a8 #
4.Qg2-b7 #
4.Qg2-c6 #
4.Qg2-a2 #
4.Qg2-g6 #
3...Kb5-c5
4.Qb8-e5 #
4.Qb8-b4 #
4.Qb8-b6 #
3...Kb5-a4
4.Qb8-b3 #
4.Qb8-b4 #
4.Qb8-e8 #
4.Qg2-a8 #
4.Qg2-c6 #
4.Qg2-a2 #
4.Qg2-c2 #
3.b7-b8=S threat:
4.Qg2-c6 #
2...Kb5-c5
3.b7-b8=S threat:
4.Qg2-c6 #
4.Qg2-g5 #
3...Kc5-b5
4.Qg2-c6 #
2...Kb5-a6
3.b7-b8=R threat:
4.Qg2-a8 #
4.Qg2-b7 #
4.Qg2-a2 #
3...Ka6-a7
4.Rb8-a8 #
4.Qg2-a8 #
4.Qg2-b7 # |