Correct answer: Rc51...Rg6/R:g5[a]/Rg8 2.B:f7#[A] 1...d5/[б]/ 2.Nc5#[Б] 1...Nfg3[c]/Nh4[c]/N:h6[c]/Ne3[d]/Ne7[e]/Nd4[f] 2.Re7#[C] 1...Bd7 2.B:d7#