Correct answer: Rhg11...K:f3 2.O-O# 1.e5?? zz 1...K:f3 2.O-O# but 1...Kf5! 1.Rh5?? (2.Rf5#) but 1...K:f3! 1.Rh6?? (2.Rf6#) but 1...K:f3! 1.Rh7?? (2.<
