Correct answer: Rf51...e3[a] 2.Q:d3#[A] 1...N:e5/[б]/ 2.Rd2#[C] 1...a6 2.Nb6# 1...Ne1/Nf2/Nf4/Nc1/Nc5/Nb2/Nb4 2.Rc5#[Б] 1...Nc6+/N:d7/Na6