A mysterious formation where the Red Chariot tears through the Black Cannon's defenses with a Double Horse exchange, while the opponent's Empty Cannon remains a useless weapon. Discover how the Red Pawn advances like Southern Han troops invading the Bạch Đằng River, along with bold counterattacking moves from a master player. This lesson is not just for kings and generals, but a guide for all players aiming to conquer the peak of Xiangqi!