Correct answer: Qd71...N:d4[a] 2.Re5#[A] 1...Ne3/[б]/ 2.Nf6#[Б] 1...B:d5[c] 2.Nd6#[C] 1.Nf2+[D]?? 1...K:d5 2.Qd7# but 1...Ke3! 1.Q:e2+?? 1...N