Correct answer: Nf51...Nh6[a] 2.Q:h6#[A] 1...Nh5/[б]/ 2.Qf5#[Б] 1...Bf8/Bd8 2.N:f8# 1...d5 2.Ne5# 1...Ng4/Nh7/Ne4/Ne8/Nd5/N:d7 2.Qh7#