Correct answer: Nc31...R:d4[a] 2.R:d4#[A] 1...R:d6/[б]//Re5/Rf5/Rg5/Rh5 2.N:c2#[Б] 1...Rc3 2.Q:c3# 1...R:b2 2.R:d5# 1...Rd2 2.R:d5#/Qc3#