Correct answer: Qg51...R:d6+[a] 2.N:d6# 1.Qd8? zz 1...R:d6+[a] 2.Q:d6#[C] 1...R:e5/[б]/ 2.B:e5#[A] 1...R:e7[c] 2.B:e7#[Б] but 1...R:f6! 1.c8N? zz