Решение шахматной задачи №77989
Мат в 4 хода |
1.Ra4-g4 ! zugzwang.
1...c5-c4
2.d3-d4 +
2...Ke5-f5
3.Bb7-c8 #
1...Ke5-f5
2.Bb7-c8 +
2...Kf5-e5
3.Bc8-e6 threat:
4.Rg4-e4 #
1...c7-c6
2.Bb7-c8 threat:
3.Bc8-e6 threat:
4.Rg4-e4 #
3.Rg4-e4 +
3...Ke5-d5
4.Bc8-e6 #
2...c5-c4
3.d3-d4 +
3...Ke5-d5
4.Bc8-e6 #
2...Ke5-d5
3.Bc8-e6 +
3...Kd5-e5
4.Rg4-e4 # |