Challenge: The Secret Move in the 'Black Horse Threatens the General' Strategy: When Red Uses the Cannon to Capture the Black General Like a Reversed Battle of Red Cliffs - Can you solve it?

The position seems like Black's General is exposed, and Black's Cannon is ready to counterattack, but Red has a tragic move: Cannon opens at 2-7, forcing Black's General into a 'death triangle' trap like Cao Cao trapped at Red Cliffs. Can Red finish off the opponent with Horse and Pawn, or will Black counter with the 'borrowed knife' tactic? Let's analyze this dangerous position, where every move is a lesson in tactics and defense.