This is the conclusion of an endgame study by Yuri Dorogov (Targoviste 1982).
White to play. What result would you expect, and why?
I took this from Master Your Chess With Judit Polgar by Judit Polgar and Andras Toth (Chessable): my review will be published on British Chess News very shortly. Judit, like many top players and coaches, considers solving endgame studies to be an excellent way of improving your chess.
Have a go at this position and see how you get on!