Correct answer: Ba41...Nb4/Nb8/Nc7 2.Q:c5# 1...b4 2.Qc4#[A] 1...Rb1/Rb4/Rd2 2.Qd2#[Б] 1...Rb3 2.Qd2#[Б]/Q:b3#[C] 1...Ra2/Re2 2.Qb3#[C]