Correct answer: Nf61...Rf3 2.Ng2#[A] 1.Ng5? (2.Qe4#) 1...Qa8/[б]//Qe5[c] 2.Qe5#[Б] 1...Re3[d] 2.Ng2#[A] 1...Q:d4 2.R:d4# but 1...R:h4[a]! 1