Respuesta
1.Лe4-a4 ! угроза:
2.Лa4-a8 +
2...Сe5-b8
3.Лa8*b8 #
1...Сe5-b8
2.Крf5-g4 цугцванг.
2...Сb8-e5
3.Лa4-a8 +
3...Сe5-b8
4.Лa8*b8 #
2...Сb8-a7
3.Лa4-f4 угроза:
4.Лf4-f8 #
2...Сb8-h2
3.Лa4-a8 +
3...Сh2-b8
4.Лa8*b8 #
2...Сb8-g3
3.Лa4-a8 +
3...Сg3-b8
4.Лa8*b8 #
2...Сb8-f4
3.Лa4-a8 +
3...Сf4-b8
4.Лa8*b8 #
2...Сb8-d6
3.Лa4-a8 +
3...Сd6-b8
4.Лa8*b8 #
2...Сb8-c7
3.Лa4-a8 +
3...Сc7-d8
4.Лa8*d8 #
4.e7*d8=Ф #
4.e7*d8=Л #
3...Сc7-b8
4.Лa8*b8 #