Challenge: The 'Red Horse L7 Strikes Empty Cannon' Formation: "How to Defend Against the Red General's Upstream Swim" - Can you solve it?

This is a chess formation that demands the Red player's sharpness and quick reflexes. The article analyzes how to counter the deadly attack with defensive counterattacking artistry, from the perspective of an outside observer, as if a student listening to a master teacher sharing tips from legendary players.