The chessboard blazes with tension, with the Red army facing the blade of a deadly trap. The Black Rook is ready to pounce like a tiger, the Black Cannon lurks from afar, and the Black General hides behind the solid wall of Advisors and Elephants. But don't panic! With just one ingenious move by the Red Cannon, the entire formation will reverse in an instant. This is where you need 'Cannon thrusting the back' - a tactic that makes opponents exclaim: 'How could this be?!' Discover the secrets behind this classic formation, where every piece is a crucial puzzle to turn the tide.