Gligoric's use of the most common central pawn "weaknesses" in the following two games is amazing, and as Grandmaster Bojkov explains - Gligoric uses them to launch a couple of ruthless kingside attacks that his strong opponent's could not endure. First we see how an IQP can turn into a kingside assault quickly, then we see the last time the Paul Keres was ever checkmated in a tournament game.