The King's Indian Defense (1. d4 Nf6 2. c4 g6 3. Nc3 Bg7) is a sharp and beloved opening of dozens of outstanding chess players who created timeless masterpieces in it — Boleslavsky, Bronstein, Geller, Stein, Tal, Fischer, Kasparov, Gelfand, Topalov, and many others. Studying the best games of these masters in this opening will be both useful and enjoyable for any chess enthusiast. The positions are extremely dynamic, and understanding the subtleties is key to successful play.