'''Open Game''' is a common [[chess]] opening, also called "Double King's Pawn Opening," in which both sides advance their king's pawns by two spaces. It is represented in chess notation as: e4 e5. | '''Open Game''' is a common [[chess]] opening, also called "Double King's Pawn Opening," in which both sides advance their king's pawns by two spaces. It is represented in chess notation as: e4 e5. |