Correct answer: Nd41.Ne1? (2.Nc2#[A]) but 1...Nb4! 1.Nd2? (2.Nb3#[Б]) but 1...Nc5! 1.Nd4! (2.Nc2#[A]/Nb3#[Б]) 1...Nb4 2.Nb3#[Б] 1...Nc5