Karpov doesn't play often anymore, but he lives on through GM Leonid Kritz. Here, our video author stifles every pawn push, thwarts every attack, and makes life generally miserable for his opponent. Instead of improving his own position, Kritz's plays only to stop all counterplay. Eventually his opponent cracks with the seemingly innocuous ...h6. Amazingly, this is all Kritz needs to break through!