答え
1.Сh4-f6 ! угроза:
2.Фh7-c2 цугцванг.
2...Крa1*a2
3.Лe5-a5 #
2...b2-b1=Ф
3.Лe5-e1 #
2...b2-b1=К
3.Лe5-e1 #
2...b2-b1=Л
3.Лe5-e1 #
2...b2-b1=С
3.Лe5-e1 #
3.Лe5-e2 #
3.Лe5-e3 #
3.Лe5-e4 #
3.Лe5-a5 #
3.Лe5-b5 #
3.Лe5-c5 #
3.Лe5-d5 #
3.Лe5-e8 #
3.Лe5-e7 #
3.Лe5-e6 #
3.Лe5-h5 #
3.Лe5-g5 #
3.Лe5-f5 #
1...b2-b1=Ф
2.Лe5-a5 +
2...Фb1-b2
3.Фh7-h1 #
1...b2-b1=К
2.Лe5-e2 +
2...Кb1-c3
3.Фh7-h1 #
1...b2-b1=Л
2.Лe5-a5 +
2...Лb1-b2
3.Фh7-h1 #