Correct answer: Be71...Ke5[a] 2.Qc5#[A] 1...c3/[б]/ 2.Qd6#[Б] 1...g6 2.Bf6# 1.Bg6?? zz 1...c3/[б]/ 2.Qd6#[Б] but 1...Ke5[a]! 1.Bc2?? zz 1...c3/[б]/ 2.Qd6#[Б]