Correct answer: Ba51.Bb6+?? 1...Ke5 2.Qe7# but 1...Kc4! 1.Qc3+?? 1...Ke3 2.Bb6# but 1...K:c3! 1.Qb4+?? 1...Ke3 2.Bb6# but 1...Ke5!
