Challenge: Red General: The Trickery of the Red Horse Against the Black Advisor in the Battle of Xich Bi - Can you solve it?

This formation showcases the 'Empty Cannon' tactic from the Battle of Xich Bi, where the Red side uses a Horse at file 7, rank 7 to deceive the Black Advisor at files 5-9, creating a 'Killing Move' with the Red Cannon at file 8, rank 2. Carefully analyze the subtleties to uncover the Red's strategy!