6. Make a sound in the east, then strike in the west
In any battle the element of surprise can provide an overwhelming advantage. Even when face to face with an enemy, surprise can still be employed by attacking where he least expects it.
The idea here is to get the enemy to focus his forces on one location, and then attack a weakly defended spot. In boxing feinting is a body movement or an incomplete attack used primarily to create a certain reaction from the opponent. The idea is to create an opening or to draw the opponent into responding so you may anticipate and counter with a prepared attack. In order for feints to be successful they must make the opponent believe that a real punch is coming.
In 205 bce Wei Bao, the King of Wei suddenly ...