Correct answer: Qg11.Qg6? zz 1...b4[a] 2.R:c5#[A] 1...c4/[б]/ 2.Ra6#[Б] but 1...Kb4! 1.B:c5?? (2.Qa8#) but 1...b4[a]! 1.Qg5?? zz 1...b4[a] 2.Q:c5#[C] 1...K