Correct answer: N:b5+1...Ke6[a] 2.B:f7# 1.Nf5+? 1...Ke6[a] 2.Ng7#[Б] 1...Ke4/[б]/ 2.Ng3#[A] 1...Kc4 2.B:f7# but 1...Kc6! 1.N:f7+? 1...K