Correct answer: Ne31...b2[a] 2.Qe3#[A] 1...Ng1/Nd4/[б]//Nc1 2.Re4#[Б] 1...Nf8 2.Q:f8# 1.Nd6? (2.Ne6#) 1...b2[a] 2.Qe3#[A] 1...Nd4/[б]/ 2.Re4#[Б]