Correct answer: Rb11...Bf3[a] 2.Bd3#[A] 1...Bg5/[б]//Bh4/Bg7/Bh8/Be7/Bd8 2.Q:f5#[Б] 1...Nd4[c] 2.Re3#[C] 1...Bg2 2.B:g2# 1...N:d5 2.Q:d5#