One of the central teachings of the elder Chinese tactician, Sun Tzu, is to employ deception when dealing with your enemies.

Leave them guessing as to your capabilities, your mindset, your next move.

Employ ruses, false flags, non-moves.

Use the terrain to your advantage. Force your enemy into a disadvantageous position.

If your enemy takes a step forward, take a step back.

If your enemy expects you to swerve left, swerve right.

Most important of all, the true battle is not of the fist, but of the mind.

Know this tenet, know yourself, know your enemy.

The rest will fall into place.