Correct answer: Nb41...d:e5 2.Qc6#[A] 1...d5 2.Qc8#/Qc6#[A] 1...Nf7 2.Nf8#[Б] 1...Rf4/R:f3/Rf6/Rf7 2.N:g5# 1...Rf8 2.N:g5#/N:f8#[Б] 1...R:e5 2