The Double King's Pawn Opening is a chess opening that begins with the moves 1.e4 e5 2.Nf3 Nc6. This opening is popular among players because it allows for quick development of pieces and control of the center of the board. The pawns on e4 and e5 create a strong presence, while the knights on f3 and c6 support further development. This opening can lead to various well-known variations, such as the Ruy Lopez and the Italian Game. It is favored by both beginners and experienced players, as it offers opportunities for tactical play and strategic positioning early in the game.