Correct answer: Q:c51...B:e4 2.Qb2# 1.d:e6? (2.Qf5#) 1...f:e6[a] 2.Q:c5#[A] but 1...B:e4! 1.d6[Б]? (2.Q:c5#[A]) 1...B:e4 2.Qb2# but 1...e:d6! 1.Q:c5[A]!