Correct answer: K:c21...Ra4[a] 2.Q:a4#[A] 1...Ra5/[б]/ 2.Q:a5#[Б] 1...Ra7[c] 2.Q:a7#[C] 1...Ra8[d] 2.Q:a8#[D] 1...Ra3 2.Q:a3# 1...Ra6 2.Q:a6# 1...R