Correct answer: Ne51.Qa5+?? 1...K:c4 2.Rc3# 1...K:c6 2.Qc7# but 1...K:d6! 1.Qa4?? zz 1...Kb6 2.Qb5# but 1...K:d6! 1.Qb8?? zz 1...K:c