Correct answer: Nd81...Ke4[a] 2.Qe6#[A] 1.Bg4? (2.Qe6#[A]) 1...Ke4[a] 2.Qd4#[Б] 1...Kc4 2.Qb3# but 1...e5! 1.Na5?? zz 1...Ke4[a] 2.Qe6#[A] 1.