Correct answer: Ra11...b:a3 2.Rh4# 1.Ka6?? zz 1...b:a3 2.Rh4# but 1...b3! 1.Rh5?? (2.Ra5#) 1...b:a3 2.Rh4# but 1...K:a3! 1.Rh7?? (2.Ra7#) 1...b:a3 2.R