Billiard table all six pockets), with rounded entrances and nearly parallel sides, like those on a snooker table. One tactical consequence of this design difference is that the jaws of the WPA-type pocket are often used exactly like a horizontal version of the backboard of a basketball goal, to rebound the ball into the pocket; this technique does not work on blackball tables, and even shots down the cushion into a corner pocket are more difficult. For tournament competition under WPA world-standardized rules (and league play under derived rulesets), the bed of the pocket billiard table must be made of slate no
Billiard table billiards. A recent table marking convention, in European nine-ball, is the . Pocketless carom billiards tables are used for such games as three-cushion billiards, straight rail, balkline, artistic billiards and cushion caroms. Regulation 10 × 5 foot carom billiards tables have a playing surface (measured between the noses of the cushions) of 2.84 meters by 1.42 meters (9.32 × 4.65 feet) with a 5 millimeter allowance. The standard height range of the table, measured from the playing surface to the ground is between 75 and 80 centimeters. The slate bed of a carom billiard table must have a minimum thickness