Correct answer: Ng81...R:e8[a] 2.Qc4#[A] 1...Nc3/[б]//N:c7/[б]//Nd4/[б]//Nd6/[б]//Na3/[б]//Na7 2.Nd6#[Б] 1.Q:b5? (2.Nd6#[Б]) 1...R:e8[a] 2.Qc4#[A]