A chess position like *a black-and-white painting* of the Battle of Changping, where the **Black Cannon at 2-10** sets up a deadly trap, and the **Red General at 4-1** faces the threat of being *swept by chariot and cannon*. But in the shadows of the board, there is a secret path for **Red to reverse the tide** like *Liang Qi's victory over Song* – just one careful move. This is not only a lesson in defense but also a *miracle of salvation* when all pieces are cornered. Discover how **Red turns an unfavorable position into an opportunity** through the art of *counterattacking from weakness*.