Correct answer: Ra11...Ra1[a] 2.Q:a1#[A]/R:a1#[Б] 1.Qa1[A]? zz 1...R:a1[a] 2.R:a1#[Б] 1...Ra6/[б]/ 2.Q:a6#[C] 1...Ra5[c] 2.Q:a5#[D] 1...Ra4[d] 2.