Correct answer: Qh31.Qe1? (2.Be7#[A]) 1...Qe6 2.Qb4# 1...N:e5 2.Q:e5# but 1...b:c6[a]! 1.Qf3? (2.Nc8#[Б]) 1...Qe6 2.Nb5# 1...b:c6 2.Q:c6# 1