Challenge: Counterattack Theory: Exploiting the Black Soldier in 'Encircling' - Can you solve it?

When the Red Rook clings to the Black General, the Red Cannon waits for a killing move. Taking advantage of the gap on File 2, the Black Horse can break the formation with a 'Horizontal Horse Strike'. However, if the Red General retreats, the Black Soldier will counterattack immediately. Let's analyze spatial tactics and winning moves in this position!