Correct answer: N:d41...B:c6+[a] 2.Q:c6#[A] 1...c3/[б]/ 2.Bd3#[Б] 1.Bb5? zz 1...B:c6+[a] 2.B:c6#[C] 1...c3/[б]/ 2.Bd3#[Б] but 1...d3! 1.Qb5? zz 1...B:c6+[a] 2