Correct answer: Qe31.B:c5?? zz 1...a4 2.Qb4# but 1...K:c5! 1.Qf7?? (2.Qb3#) 1...c4 2.Qd7#/Qe8# but 1...a4! 1.Qe4?? zz 1...c4 2.Qe8#/Qc6# but 1...a4!
