It is a trick that occures a lot in games and give the player who used it a usualy better position.

It consists in a series of moves where a knight is sacrificed for a centre pawn, knowing that it can be recovered by a pawn fork and the enemy's central pawn structure will be destroyed by doing so.

The Centre Fork Trick is a series of moves where a KT is sacrificed for a centre PA, knowing that it can be recovered by a PA fork and the enemy’s central PA structure will be destroyed by doing so.