Correct answer: Rh71...Kf5 2.Rh5# 1.Kd7?? zz 1...Kf5 2.Rh5# but 1...f5! 1.Kf7?? zz 1...Kf5 2.Rh5# but 1...f5! 1.Kd6?? zz 1...Kf5 2.Rh5# b
