Correct answer: Kb31...Kf6[a] 2.Qa1#[A] 1...K:d6 2.Q:f4#[Б] 1.Rg6? (2.Qa1#[A]) but 1...Kd4/[б]/! 1.Rg5+? 1...Kf6[a] 2.Q:f4#[Б] 1...Kd4/[б]/ 2.Q