The decisive battle when the **Black Cannon on file 2, rank 9** hides like a sleeping tiger, waiting for the **Red Chariot on file 8, rank 7** to march straight into the trap. A sophisticated defensive strategy involving an **empty cannon**, **chariot thrust**, and counterattack with a **bishop's diagonal cut** is revealed in detail. Specific guidance on how to neutralize the attack, maintain balance, and transition to a counterattack when the opponent is careless.