Correct answer: Rf41...Nc7/Nd4[a]/Na3/Na7 2.Re4#[A] 1.Ne3? (2.Nf3#[Б]/Re4#[A]) 1...Nd4[a] 2.Re4#[A] 1...Nd6/[б]/ 2.Nf3#[Б] but 1...B:e3!