Correct answer: Ne81...R:e6[a] 2.Q:e6#[A] 1.Nb5? zz 1...R:e6[a] 2.Q:e6#[A] 1...Nd:e7[c]/Nf4[c]/Nf6[c]/Nc3[d]/Nc7[c]/Nb4[c]/Nb6[c] 2.Nc3#[C]