Challenge: Xiangqi Super Difficult: Red Captures File 4, Black is 'Trapped' - Defensive Counterattack Strategy - Can you solve it?

A precarious position where the Black Chariot on files 2 and 7 faces off against the Red Horse on file 4. The Black Cannon on file 6 and the Black Advisor on file 4 exert pressure, while the Red General on file 6 remains safe. Let's analyze how Red reverses the tide from a 'trapped' position to secure victory.