In this study, white can only move the rook once in the entire game. So the king has to do most of the work. I apologize for the sound in the video being out of synch. I need to find a new free software on Windows to capture my screen. This one sucks.
I remember this problem from Dvoretsky's endgame manual, good one
I like these shorts this how my grandad tried to teach me when I was a kid