Challenge: The 'Black Rook - Red Cannon' Position in the Historic Battle: The Defense Strategy of the Black General - Can you solve it?

Analyzing the chess position with the Black Rook on file 6 rank 8 and the Red Cannon on file 1 rank 4, showcasing the refined defensive strategy of the Black General in the historic battle. Understand how to utilize double cannons, rook thrusts, and quick counterattacks to secure victory.