Correct answer: Nd41...Nd3[a] 2.Kd6#[A] 1...Bd4/[б]/ 2.Nd6#[Б] 1...Nc7 2.K:c7# 1...Bd2/Bc5 2.Kc5# 1.Q:a8?? (2.Kc7#) 1...Bd4/[б]/ 2.Nd6#[Б]