The position ‘2B1K4/9/b8/8R/9/9/4r3P/4B3C/9/3AKA3’ is a deadly trap if you fail to recognize the ‘Silent Cannon’ (Cannon on file 3 attacks straight to the Black Elephant on file 10). The expert decodes three fatal mistakes of the Red player, the counterattack method using ‘Rook Thrust’ (Rook on file 7 attacks straight to the Black General), and the trick ‘Pawn Deception’ (Pawn on file 4 feints an attack on the Black Elephant) to reverse the board. Detailed guidance for beginners and advanced players seeking tactical defense optimization.