Решение шахматной задачи №69930
Мат в 4 хода |
1.Bf7-b3 ! zugzwang.
1...Sa3-b5
2.Bb3-a4 zugzwang.
2...Sb5-c7
3.Se5-f7 #
2...Sb5-a3
3.Se5-f7 #
2...Sb5-c3
3.Se5-f7 #
2...Sb5-d4
3.Se5-f7 #
2...Sb5-d6
3.Ba4-c6 zugzwang.
3...Sd6-b5
4.Se5-f7 #
3...Sd6-c4
4.Se5-f7 #
3...Sd6-e4
4.Se5-f7 #
3...Sd6-f5
4.Se5-f7 #
3...Sd6-f7
4.Se5*f7 #
3...Sd6-e8
4.Se5-f7 #
3...Sd6-c8
4.Se5-f7 #
3...Sd6-b7
4.Se5-f7 #
2...Sb5-a7
3.Se5-f7 #
2...Kd8-e8
3.Ba4*b5 +
3...Ke8-d8
4.Se5-f7 #
1...Sa3-b1
2.Bb3-a4 threat:
3.Se5-f7 #
1...Sa3-c2
2.Bb3-a4 threat:
3.Se5-f7 #
1...Sa3-c4
2.Bb3*c4 zugzwang.
2...Kd8-e8
3.Bc4-b5 +
3...Ke8-d8
4.Se5-f7 #
1...Kd8-e8
2.Kb8-c8 threat:
3.Bb3-f7 #
2...Sa3-c4
3.Bb3-a4 # |