Correct answer: Qb51...Nb5 2.Bb1# 1...Qa7/Qa8/Qd6/Qb5/Qc4/Qb7/Qc8 2.Nd6#[A] 1...Rf6/Re5/Rd5/Rc5/Rb5/Rg5/Rh5 2.N:f6#[Б]