Correct answer: Ng31...N:e3[a] 2.Q:e6#[A] 1...Nd4/[б]/ 2.Q:d4#[Б] 1...Ne7/N:b4/Nb6 2.Qd4#[Б]/Qf4#/Q:e6#[A]/R:e6#[C] 1...Nf4/Na3/Na7 2.Qd4#[