Correct answer: Nd61...Kf4[a] 2.Ne6#[A] 1...Kh4 2.Nf3# 1.Bb6? zz 1...Kf4[a] 2.Ne6#[A] 1...K:f6/[б]/ 2.Bd8#[C] 1...Kh4 2.Nf3# but 1...K:h6[c]!