Solution
1.Лe7-g7 ! угроза:
2.Лg7-g6 #
2.Фg4-g6 #
2.Фg4-g5 #
1...Сf1-d3
2.Фg4-g5 #
1...Лh1-g1
2.Лg7-g6 #
2.Фg4-h4 #
1...Лh1-h5
2.Лg7-g6 #
2.Фg4-g6 #
1...Кc5-e4
2.Лg7-g6 #
2.Фg4-g6 #
1...Кc5-e6
2.Лg7-g6 #
2.Фg4-g6 #
1...Кc7-e6
2.Лg7-g6 #
2.Фg4-g6 #
1...Фa8-g2
2.Лg7-g6 #
1...Фa8-e4
2.Фg4-g5 #
1...Фa8-d5
2.Лg7-g6 #
2.Фg4-g6 #
1...Фa8-c6
2.Фg4-g5 #
1...Фa8-a1
2.Фg4-g5 #
2.Фg4-g6 #
1...Фa8-a6
2.Фg4-g5 #
1...Сb8-a7 +
2.Лg7-g8 угроза:
3.Фg4-g6 #
3.Фg4-g5 #
2...Сf1-d3
3.Фg4-g5 #
2...Лh1-g1
3.Фg4-h4 #
2...Лh1-h5
3.Фg4-g7 #
3.Фg4-g6 #
2...Кc5-e4
3.Фg4-g6 #
2...Кc5-e6
3.Фg4-g6 #
2...Кc7-e6
3.Фg4-g6 #
2...Фa8-g2
3.Лg8-g6 #
2...Фa8-e4
3.Фg4-g5 #
2...Фa8-d5
3.Лg8-g6 #
3.Фg4-g6 #
2...Фa8-c6
3.Фg4-g5 #
2...Фa8*g8 +
3.h7*g8=К #
2...Фa8-e8
3.Фg4-g5 #
2...Фa8-d8
3.Фg4-g6 #