In this chess position, Red is trapped by Black's 'double elephant' strategy, while Red's cannon at 6th rank, 1st file remains untapped. We will explore how to counter Black's attack using the 'empty cannon' technique, turning a defensive position into a stunning comeback. The key lies in controlling the chariot at 7th rank, 5th file and the horse at 7th rank, 9th file as sharp weapons, while utilizing Black's elephant at 5th rank, 8th file to create a 'pin trap'.