Correct answer: c51...R:g2/Rh1[a] 2.Rh1#[A] 1...Qf3+/[б]/ 2.R:f3#[Б] 1...Qf4[c] 2.R:f4#[C] 1...b1Q+/b1R/b1B+/b1N 2.Q:b1# 1...Q:f5 2.Q:f5# 1