Correct answer: Nf61...Ke6[a] 2.Bc8#[A] 1...Rf4/[б]/ 2.Qd7#[Б] 1.Bc8+[A]?? 1...Kf4 2.Qg4# but 1...K:e4! 1.Qf8+?? 1...Ke6[a] 2.Bc8#[A]/Nc5# b
