Correct answer: Qg61...Ng6 2.N:f7# 1.Kc6? zz 1...e:f6[a] 2.e7#[A] 1...f:e6/[б]/ 2.Rf8#[Б] 1...Ng6 2.N:f7# but 1...Nb6! 1.R:f7?? (2.Rf8#[Б]) 1...N:f7