Correct answer: Qe31...c6[a] 2.Nb3#[A] 1...b4/[б]/ 2.Q:c4#[Б] 1.Qg3? zz 1...c6[a] 2.Qd6#[D] 1...b4/[б]/ 2.Qe5#[C] 1...Kb4 2.Q:a3# 1...c3 2.Q:c3# but 1...K:d4!