Correct answer: Kb81...Bf5[a] 2.Ng5#[A] 1...Nd5/[б]/ 2.Nc5#[Б] 1...Bg2/Bf1/Bg4 2.Bg4# 1...Nc4/Nc8/Na4/Na8 2.B:c4# 1.Bf3? (2.Nc5#[Б])