Challenge: Red Side: *King Bạch Đằng* Pierces the *Cannon and Drum Crowd* – The 'Eight Elders' Strategy of the Time Army! (Play Like a Historical Battle) - Can you solve it?

This position is not an ordinary chessboard—it is a **tactical masterpiece** from the days when *Hùng Vương thứ nhất* shattered the *Xích Bích army's frontline*. Red has only four pieces, yet they face a chance to **disrupt the formation** in a certain way? How to avoid being **copied like a fish falling into a trap**? Let's explore the **hidden** and **deceptive** moves of players as if they were ancient generals!