Correct answer: N:b31...R:b5[a] 2.R:b5#[Б] 1...Bb4/[б]/ 2.R:e5#[D] 1...a3 2.Q:b3#[A] 1...R:d4 2.Q:d4#[C] 1...Bc3/Bb6/Bc7/Bd8 2.Q:c3# 1.N:b3!