Correct answer: Nb71...Kd3/e5 2.Q:c4#[A] 1...Bd5 2.Qc3# 1.Ndf5+? 1...Kd3 2.Q:c4#[A] 1...Ke5 2.Qd6#[Б] but 1...e:f5! 1.Nb5+? 1...Kd3 2.Q:c