Correct answer: Qg11.Qc2+? 1...K:f3[a] 2.Qf5#[A] 1...Kd5/[б]/ 2.Qc6#[Б] but 1...Kf4! 1.Qa4+?? 1...Kd5/[б]/ 2.Qd4#[C]/Qc6#[Б] 1...Kf5 2.Qg4#