Rules of snooker satisfied that the player was only positioning the ball, and not playing a shot or preparing to play one. When a player commits a foul, the opponent receives penalty points equal to the value of the ball "on", the value of the highest valued ball involved in the foul, or 4 points, whichever is greatest. When multiple fouls are made in one shot, only the most highly valued foul is counted. Penalty points are therefore at least 4 points and at most 7. Not hitting the ball "on" first is the most common foul. A common defensive tactic is to
Rules of snooker as the result of a foul committed by the opponent. The snooker is considered illegitimate in this case, and the affected player is allowed to nullify it by nominating any object ball as being "on" for the first shot of his turn. Once the free ball shot is taken legally, the game continues normally; however, if the player who committed the foul is asked to play again, a free ball is not granted. For example, as illustrated in the provided picture, if the ball on is the final red, but is snookered by the black due to a foul, the