Correct answer: Nb21...Nf6 2.K:f6# 1...Nf8 2.K:f8# 1...Bd8+/Bb8 2.K:d8#[A] 1...Bb6/Ba5 2.K:d6#[Б] 1...Bb7/Ba6 2.K:d7#[C] 1...Nf7 2.K:f7
