Correct answer: Qg21...K:f5 2.Qe4# 1.Qe8+?? 1...Kg7 2.Qf7#/Rh7#/Ne6# but 1...K:f5! 1.Qf8?? (2.Qf7#/Rh6#) but 1...K:h5! 1.Qg8+?? 1.
