Correct answer: Qb71...Kd4[a] 2.Qc4#[A] 1...e2/[б]/ 2.Qg6#[Б] 1.Kg3?? zz 1...Kd4[a] 2.Qc4#[A] 1...e2/[б]/ 2.Qg6#[Б] but 1...Kf5! 1.b4?? zz 1...e2/[б]/ 2.Qg6#[
