Billiard balls vary from game to game, in size, design and number. Carom billiards balls are larger than pool balls, and come as a set of two cue balls (one colored or marked) and an object ball (or two object balls in the case of the game four-ball also known as yotsudama). American-style pool balls, used in any pool game and found throughout the world, come in sets of two suits of object balls, seven solids and seven stripes, an 8 ball and a cue ball; the balls are racked differently for different games (some of which do not use the entire ball set).
Blackball (English-style eight-ball) sets are similar, but have unmarked groups of red (or blue) and yellow balls instead of solids and stripes, and are smaller than the American-style; they are used principally in the Britain, Ireland, and some British Commonwealth countries, though not exclusively, since they are unsuited for playing nine-ball. Snooker balls are also smaller than American-style pool balls, and come in sets of 22 (fifteen reds, 6 "colours", and a cue ball). Other games also have custom ball sets, such as Russian pyramid and bumper pool.
Billiard balls have been made from many different materials since the start of the game, including clay, bakelite, celluloid, crystalite, ivory, plastic, steel and wood. The dominant material from 1627 until the early to mid 1900s was ivory. The search for a substitute for ivory use was not for environmental concerns but based on economic motivation and fear of danger for elephant hunters.
It was in part spurred on by a New York billiard table manufacturer who announced a prize of $10,000 for a substitute material. The first viable substitute was celluloid, invented by John Wesley Hyatt in 1868, but the material was volatile, sometimes exploding during manufacture and was highly flammable.
There are many sizes and styles of pool and billiard tables. Generally, tables are rectangles twice as long as they are wide. Most pool tables are known as 7-, 8-, or 9-footers, referring to the length of the table's long side. Full-size snooker and English billiard tables are 12 feet long on the longest side. Pool halls tend to have 9-foot tables and cater to the serious pool player. Pubs will typically use 7-foot tables which are often coin-operated. Formerly, 10-foot tables were common, but such tables are now considered antique collectors items; a few, usually from the late 1800s, can be found in pool halls from time to time. Ten-foot tables remain the standard size for carom billiard games.
The slates on modern carom tables are usually heated to stave off moisture and provide a consistent playing surface.
The length of the pool table will typically be a function of space, with many homeowners purchasing an 8-foot table as a compromise. High quality tables are mostly 4.5 by 9 ft. (interior dimensions), with a bed made of three pieces of thick slate to prevent warping and changes due to humidity. Smaller bar tables are most commonly made with a single piece of slate. Pocket billiards tables normally have six pockets, three on each side (four corner pockets, and two side pockets).
A pocket billiards game originated by British officers stationed in India during the 19th century. The name of the game became generalized to also describe one of its prime strategies: to "snooker" the opposing player by causing that player to foul or leave an opening to be exploited .
In the United Kingdom, snooker is by far the most popular cue sport at the competitive level. It is played in many other countries as well. Snooker is far rarer in the U.S., where pool games such as eight-ball and nine-ball dominate.
In the United States, the most commonly-played game is eight-ball. On the professional scene, eight-ball players who are on the International Pool Tour (IPT) are the highest paid players in the world. In the United Kingdom the game is commonly played in pubs, and it is competitively played in leagues on both sides of the Atlantic.
The most prestigious tournaments including the World Open are sponsored and sanctioned by the International Pool Tour. Rules vary widely from place to place. Pool halls in North America are increasingly settling upon the International Standardized Rules. But tavern eight-ball, typically played on smaller, coin-operated tables and in a "winner controls the table" manner, can differ significantly even between two venues in the same city. The growth of local, regional and national amateur leagues may alleviate this confusion eventually.
The goal of eight-ball, which is played with a full rack of fifteen balls and the cue ball, is to claim a suit (commonly stripes or solids in the US, and reds or yellows in the UK), pocket all of them, then legally pocket the 8 ball, while denying one's opponent opportunities to do the same with their suit, and without sinking the 8 ball early by accident.
Blackball (English-style eight-ball) sets are similar, but have unmarked groups of red (or blue) and yellow balls instead of solids and stripes, and are smaller than the American-style; they are used principally in the Britain, Ireland, and some British Commonwealth countries, though not exclusively, since they are unsuited for playing nine-ball. Snooker balls are also smaller than American-style pool balls, and come in sets of 22 (fifteen reds, 6 "colours", and a cue ball). Other games also have custom ball sets, such as Russian pyramid and bumper pool.
Billiard balls have been made from many different materials since the start of the game, including clay, bakelite, celluloid, crystalite, ivory, plastic, steel and wood. The dominant material from 1627 until the early to mid 1900s was ivory. The search for a substitute for ivory use was not for environmental concerns but based on economic motivation and fear of danger for elephant hunters.
It was in part spurred on by a New York billiard table manufacturer who announced a prize of $10,000 for a substitute material. The first viable substitute was celluloid, invented by John Wesley Hyatt in 1868, but the material was volatile, sometimes exploding during manufacture and was highly flammable.
There are many sizes and styles of pool and billiard tables. Generally, tables are rectangles twice as long as they are wide. Most pool tables are known as 7-, 8-, or 9-footers, referring to the length of the table's long side. Full-size snooker and English billiard tables are 12 feet long on the longest side. Pool halls tend to have 9-foot tables and cater to the serious pool player. Pubs will typically use 7-foot tables which are often coin-operated. Formerly, 10-foot tables were common, but such tables are now considered antique collectors items; a few, usually from the late 1800s, can be found in pool halls from time to time. Ten-foot tables remain the standard size for carom billiard games.
The slates on modern carom tables are usually heated to stave off moisture and provide a consistent playing surface.
The length of the pool table will typically be a function of space, with many homeowners purchasing an 8-foot table as a compromise. High quality tables are mostly 4.5 by 9 ft. (interior dimensions), with a bed made of three pieces of thick slate to prevent warping and changes due to humidity. Smaller bar tables are most commonly made with a single piece of slate. Pocket billiards tables normally have six pockets, three on each side (four corner pockets, and two side pockets).
A pocket billiards game originated by British officers stationed in India during the 19th century. The name of the game became generalized to also describe one of its prime strategies: to "snooker" the opposing player by causing that player to foul or leave an opening to be exploited .
In the United Kingdom, snooker is by far the most popular cue sport at the competitive level. It is played in many other countries as well. Snooker is far rarer in the U.S., where pool games such as eight-ball and nine-ball dominate.
In the United States, the most commonly-played game is eight-ball. On the professional scene, eight-ball players who are on the International Pool Tour (IPT) are the highest paid players in the world. In the United Kingdom the game is commonly played in pubs, and it is competitively played in leagues on both sides of the Atlantic.
The most prestigious tournaments including the World Open are sponsored and sanctioned by the International Pool Tour. Rules vary widely from place to place. Pool halls in North America are increasingly settling upon the International Standardized Rules. But tavern eight-ball, typically played on smaller, coin-operated tables and in a "winner controls the table" manner, can differ significantly even between two venues in the same city. The growth of local, regional and national amateur leagues may alleviate this confusion eventually.
The goal of eight-ball, which is played with a full rack of fifteen balls and the cue ball, is to claim a suit (commonly stripes or solids in the US, and reds or yellows in the UK), pocket all of them, then legally pocket the 8 ball, while denying one's opponent opportunities to do the same with their suit, and without sinking the 8 ball early by accident.




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