Correct answer: Be5a) 1.Bf7?? zz 1...Ka4 2.Qb4# but 1...Kc4! 1.Ba4+?? 1...K:a4 2.Qb4# but 1...Kc4! 1.Bc5?? zz 1...Kc4 2.Qc2# but 1...e5!