The King's Indian Defense is a popular chess opening that arises after the moves 1.d4 Nf6 2.c4 g6. It is characterized by Black's intention to develop pieces behind a solid pawn structure while allowing White to occupy the center. This setup often leads to dynamic and complex positions, where Black aims to counterattack. In the King's Indian Defense, Black typically fianchettoes the king's bishop and prepares to challenge White's center with moves like ...e5 or ...d5. This opening is favored by many players for its rich tactical possibilities and the potential for counterplay against White's central pawns.