Correct answer: Rf51...Bb1/Bb3 2.Qb3# 1...Bd5 2.Bd7#[A] 1...Be1/Be3/Bg5/Bc1 2.Qd6#/Bd5#[Б]/Bd7#[A] 1...Bf4 2.Bd5#[Б]/Bd7#[A] 1...B