Blackball (pool) number "8" (a holdover from kelly pool), though numberless variants are not unknown. British pool tables come in 6 × 3 foot (1.8 × 0.9 m) or 7 × 3.5 ft (2.12 × 1.06 m) varieties, with 7 feet being the regulation size for league play. The table has pockets just larger than the balls and rounded, as in the game of snooker, whereas the international-style (or "American-style") table has pockets significantly wider, with pointed . Tournament rules may require the presence of more than one type of (mechanical bridge), as in snooker. There are two competing standards bodies that
Snooker balls. The game developed its own identity in 1884 when its first set of rules was finalised by Sir Neville Chamberlain, an English officer who helped develop and popularise the game at Stone House in Ooty on a table built by Burroughes & Watts that was brought over by boat. The word "snooker" was a slang term for first-year cadets and inexperienced military personnel, but Chamberlain would often use it to describe the inept performance of one of his fellow officers at the table. The name instantly stuck with the players. In 1887, snooker was given its first definite reference