Correct answer: Rd61...Rf4[a] 2.Ng3#[A] 1...Bd5/[б]/ 2.Nc5#[Б] 1...Rf6/Rfe8/Rg8/Rh8 2.N:f6# 1...Rd6/Rc8/Rb8/Ra8/Rde8 2.N:d6# 1.R