Solution
1.Фg7? zz
1...c:d6[a] 2.Фb7#[Б]
1...Крa7/[б]/ 2.Фa1#[A]
но 1...Сa7!
1.Фe4?? zz
1...Крa7/[б]/ 2.Фa4#
1...Сa7 2.Кр:c7#
но 1...c:d6[a]!
1.Фh8?? zz
1...Крa7/[б]/ 2.Фa1#[A]
но 1...c:d6[a]!
1.Фb6?? (2.Фb7#[Б])
но 1...c:b6!
1.Фd5! zz
1...c:d6[a] 2.Крb6#[D]
1...Крa7/[б]/ 2.Фa2#[C]
1...Сa7 2.Кр:c7#