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Cue sports are a wide variety of games of skill played with a
cue stick A cue stick (or simply cue, more specifically billiards cue, pool cue, or snooker cue) is an item of sporting equipment essential to the games of pool, snooker and carom billiards. It is used to strike a ball, usually the . Cues are tapered stic ...
, which is used to strike
billiard ball A billiard ball is a small, hard ball used in cue sports, such as carom billiards, pool, and snooker. The number, type, diameter, color, and pattern of the balls differ depending upon the specific game being played. Various particular ball pro ...
s and thereby cause them to move around a
cloth Textile is an umbrella term that includes various fiber-based materials, including fibers, yarns, filaments, threads, and different types of fabric. At first, the word "textiles" only referred to woven fabrics. However, weaving is n ...
-covered
table Table may refer to: * Table (database), how the table data arrangement is used within the databases * Table (furniture), a piece of furniture with a flat surface and one or more legs * Table (information), a data arrangement with rows and column ...
bounded by elastic bumpers known as . Cue sports, a category of stick sports, may collectively be referred to as billiards, though this term has more specific connotations in some
English dialects Dialects are linguistic varieties that may differ in pronunciation, vocabulary, spelling, and other aspects of grammar. For the classification of varieties of English in pronunciation only, see regional accents of English. Overview Dialect ...
. There are three major subdivisions of games within cue sports: * Carom billiards, played on tables without , typically ten feet in length, including straight rail, balkline, one-cushion carom,
three-cushion billiards Three-cushion billiards, also called three-cushion carom, is a form of carom billiards. The object of the game is to the off both while contacting the at least three times before contacting the second object ball. A point is scored for each s ...
, artistic billiards, and four-ball * Pocket billiards (or pool), played on six-pocket tables of seven, eight, nine, or ten-foot length, including among others
eight-ball Eight-ball (also spelled 8-ball or eightball, and sometimes called solids and stripes, spots and stripes, bigs and smalls, big ones and little ones, or rarely highs and lows) is a discipline of Pool (cue sports), pool played on a billiard tabl ...
(the world's most widely played cue sport),
nine-ball Nine-ball (sometimes written 9-ball) is a discipline of the cue sport pool. The game's origins are traceable to the 1920s in the United States. It is played on a rectangular billiard table with at each of the four corners and in the middle o ...
(the dominant professional game), ten-ball,
straight pool Straight pool, which is also called 14.1 continuous and 14.1 rack, is a Cue sports, cue sport in which two competing players attempt to as many s as possible without playing a . The game was the primary version of Pool (cue sports), pool play ...
(the formerly dominant pro game),
one-pocket One-pocket is a pool game. Only one pocket for each player is used in this game, unlike other games played on a pool table where any can be used to score . The object of the game is to score points. A point is made when a player pockets any obj ...
, and
bank pool Bank pool is a pool game that has as its most fundamental requirement that all scoring shots in the game must be made by a called ball off a and into a called pocket. While the game has multiple variations, the predominant version through much ...
*
Snooker Snooker (pronounced , ) is a cue sport played on a rectangular Billiard table#Snooker and English billiards tables, billiards table covered with a green cloth called baize, with six Billiard table#Pockets 2, pockets: one at each corner and ...
, English billiards, and Russian pyramid, played on a large, six-pocket table (dimensions just under 12 ft by 6 ft), all of which are classified separately from pool based on distinct development histories, player culture, rules, and terminology. Billiards has a long history from its inception in the 15th century, with many mentions in the works of
Shakespeare William Shakespeare ( 23 April 1564 – 23 April 1616) was an English playwright, poet and actor. He is widely regarded as the greatest writer in the English language and the world's pre-eminent dramatist. He is often called England's natio ...
, including the line "let's to billiards" in ''
Antony and Cleopatra ''Antony and Cleopatra'' is a tragedy by William Shakespeare. The play was first performed around 1607, by the King's Men at either the Blackfriars Theatre or the Globe Theatre. Its first appearance in print was in the First Folio published ...
'' (1606–07). Enthusiasts of the sport have included
Mozart Wolfgang Amadeus Mozart (27 January 1756 – 5 December 1791) was a prolific and influential composer of the Classical period (music), Classical period. Despite his short life, his rapid pace of composition and proficiency from an early age ...
,
Louis XIV of France LouisXIV (Louis-Dieudonné; 5 September 16381 September 1715), also known as Louis the Great () or the Sun King (), was King of France from 1643 until his death in 1715. His verified reign of 72 years and 110 days is the List of longest-reign ...
,
Marie Antoinette Marie Antoinette (; ; Maria Antonia Josefa Johanna; 2 November 1755 – 16 October 1793) was the last List of French royal consorts, queen of France before the French Revolution and the establishment of the French First Republic. She was the ...
,
Immanuel Kant Immanuel Kant (born Emanuel Kant; 22 April 1724 – 12 February 1804) was a German Philosophy, philosopher and one of the central Age of Enlightenment, Enlightenment thinkers. Born in Königsberg, Kant's comprehensive and systematic works ...
,
Napoleon Napoleon Bonaparte (born Napoleone di Buonaparte; 15 August 1769 – 5 May 1821), later known by his regnal name Napoleon I, was a French general and statesman who rose to prominence during the French Revolution and led Military career ...
,
Abraham Lincoln Abraham Lincoln (February 12, 1809 – April 15, 1865) was the 16th president of the United States, serving from 1861 until Assassination of Abraham Lincoln, his assassination in 1865. He led the United States through the American Civil War ...
,
Mark Twain Samuel Langhorne Clemens (November 30, 1835 – April 21, 1910), known by the pen name Mark Twain, was an American writer, humorist, and essayist. He was praised as the "greatest humorist the United States has produced," with William Fau ...
,
George Washington George Washington (, 1799) was a Founding Fathers of the United States, Founding Father and the first president of the United States, serving from 1789 to 1797. As commander of the Continental Army, Washington led Patriot (American Revoluti ...
, Jules Grévy,
Charles Dickens Charles John Huffam Dickens (; 7 February 1812 – 9 June 1870) was an English novelist, journalist, short story writer and Social criticism, social critic. He created some of literature's best-known fictional characters, and is regarded by ...
,
George Armstrong Custer George Armstrong Custer (December 5, 1839 – June 25, 1876) was a United States Army officer and cavalry commander in the American Civil War and the American Indian Wars. Custer graduated from the United States Military Academy at West Point ...
,
Theodore Roosevelt Theodore Roosevelt Jr. (October 27, 1858 – January 6, 1919), also known as Teddy or T.R., was the 26th president of the United States, serving from 1901 to 1909. Roosevelt previously was involved in New York (state), New York politics, incl ...
,
Lewis Carroll Charles Lutwidge Dodgson (27 January 1832 – 14 January 1898), better known by his pen name Lewis Carroll, was an English author, poet, mathematician, photographer and reluctant Anglicanism, Anglican deacon. His most notable works are ''Alice ...
, W. C. Fields,
Babe Ruth George Herman "Babe" Ruth (February 6, 1895 – August 16, 1948) was an American professional Baseball in the United States, baseball player whose career in Major League Baseball (MLB) spanned 22 seasons, from 1914 through 1935. Nickna ...
,
Bob Hope Leslie Townes "Bob" Hope (May 29, 1903 – July 27, 2003) was an American comedian, actor, entertainer and producer with a career that spanned nearly 80 years and achievements in vaudeville, network radio, television, and USO Tours. He appeared ...
, and
Jackie Gleason Herbert John Gleason (born Herbert Walton Gleason Jr.; February 26, 1916June 24, 1987), known as Jackie Gleason, was an American comedian, actor, writer, and composer also known as "The Great One". He developed a style and characters from growin ...
.


History

All cue sports are generally regarded to have evolved into indoor games from outdoor stick-and-ball lawn games, specifically those retroactively termed ground billiards, and as such to be related to the historical games jeu de mail and palle-malle, and modern trucco,
croquet Croquet ( or ) is a sport which involves hitting wooden, plastic, or composite balls with a mallet through hoops (often called Wicket, "wickets" in the United States) embedded in a grass playing court. Variations In all forms of croquet, in ...
, and
golf Golf is a club-and-ball sport in which players use various Golf club, clubs to hit a Golf ball, ball into a series of holes on a golf course, course in as few strokes as possible. Golf, unlike most ball games, cannot and does not use a standa ...
, and more distantly to the stickless
bocce (, or , ), sometimes anglicized as bocce ball, bocci, or boccie, is a ball sport belonging to the boules family. Developed into its present form in Italy, it is closely related to English bowls and French , with a common ancestry from anc ...
and
bowls Bowls, also known as lawn bowls or lawn bowling, is a sport in which players try to roll their ball (called a bowl) closest to a smaller ball (known as a "jack" or sometimes a "kitty"). The bowls are shaped (biased), so that they follow a curve ...
. The word ''billiard'' may have evolved from the French word or , meaning 'stick', in reference to the , an implement similar to a golf putter, and which was the forerunner to the modern cue; however, the term's origin could have been from French , meaning 'ball'. This is a revised version of ''The Story of Billiards and Snooker'' (1979). The modern term ''cue sports'' can be used to encompass the ancestral mace games, and even the modern cueless variants, such as finger billiards, for historical reasons. ''Cue'' itself came from , the French word for '
tail The tail is the elongated section at the rear end of a bilaterian animal's body; in general, the term refers to a distinct, flexible appendage extending backwards from the midline of the torso. In vertebrate animals that evolution, evolved to los ...
'. This refers to the early practice of using the tail or butt of the mace, instead of its club foot, to strike the ball when it lay against a . A recognizable form of billiards was played outdoors in the 1340s, and was reminiscent of croquet. King
Louis XI of France Louis XI (3 July 1423 – 30 August 1483), called "Louis the Prudent" (), was King of France from 1461 to 1483. He succeeded his father, Charles VII. Louis entered into open rebellion against his father in a short-lived revolt known as the ...
(1461–1483) had the first known indoor billiard table.
Louis XIV LouisXIV (Louis-Dieudonné; 5 September 16381 September 1715), also known as Louis the Great () or the Sun King (), was King of France from 1643 until his death in 1715. His verified reign of 72 years and 110 days is the List of longest-reign ...
further refined and popularized the game, and it swiftly spread among the French nobility. While the game had long been played on the ground, this version appears to have died out (aside from trucco) in the 17th century, in favor of croquet, golf and bowling games, even as table billiards had grown in popularity as an indoor activity.
James VI and I James VI and I (James Charles Stuart; 19 June 1566 – 27 March 1625) was King of Scotland as James VI from 24 July 1567 and King of England and King of Ireland, Ireland as James I from the union of the Scottish and English crowns on 24 M ...
had a "bilzeart burde" covered with green cloth at
Holyrood Palace The Palace of Holyroodhouse ( or ), commonly known as Holyrood Palace, is the official residence of the British monarch in Scotland. Located at the bottom of the Royal Mile in Edinburgh, at the opposite end to Edinburgh Castle, Holyrood has s ...
in 1581. The imprisoned
Mary, Queen of Scots Mary, Queen of Scots (8 December 1542 – 8 February 1587), also known as Mary Stuart or Mary I of Scotland, was List of Scottish monarchs, Queen of Scotland from 14 December 1542 until her forced abdication in 1567. The only surviving legit ...
, had a billiard table at
Tutbury Castle Tutbury Castle is a largely ruined medieval castle at Tutbury, Staffordshire, England, in the ownership of the Duchy of Lancaster and hence currently of King Charles III. It is a scheduled monument and a Grade I listed building. People who have ...
. She complained when her was taken away (by those who eventually became her executioners, who were to cover her body with the table's cloth). A 1588 inventory of the
Duke of Norfolk Duke of Norfolk is a title in the peerage of England. The premier non-royal peer, the Duke of Norfolk is additionally the premier duke and earl in the English peerage. The seat of the Duke of Norfolk is Arundel Castle in Sussex, although the t ...
's estate included a "billyard bord coered with a greene cloth ... three billyard sticks and 11 balls of yvery". Billiards grew to the extent that by 1727, it was being played in almost every Paris café. In England, the game was developing into a very popular activity for members of the gentry. By 1670, the thin butt end of the mace began to be used not only for shots under the cushion (which itself was originally only there as a preventative method to stop balls from rolling off), but players increasingly preferred it for other shots as well. The footless, straight cue as it is known today was finally developed by about 1800. Initially, the mace was used to push the balls, rather than strike them. The newly developed striking cue provided a new challenge. Cushions began to be stuffed with substances to allow the balls to rebound, in order to enhance the appeal of the game. After a transitional period where only the better players would use cues, the cue came to be the first choice of equipment. The demand for tables and other equipment was initially met in Europe by John Thurston and other furniture makers of the era. The early balls were made from wood and
clay Clay is a type of fine-grained natural soil material containing clay minerals (hydrous aluminium phyllosilicates, e.g. kaolinite, ). Most pure clay minerals are white or light-coloured, but natural clays show a variety of colours from impuriti ...
, but the rich preferred to use
ivory Ivory is a hard, white material from the tusks (traditionally from elephants) and Tooth, teeth of animals, that consists mainly of dentine, one of the physical structures of teeth and tusks. The chemical structure of the teeth and tusks of mamm ...
. Early billiard games involved various pieces of additional equipment, including the "arch" (related to the croquet hoop), "port" (a different hoop, often rectangular), and "king" (a pin or skittle near the arch) in the early 17th to late 18th century, but other game variants, relying on the cushions (and pockets cut into them), were being formed that would go on to play fundamental roles in the development of modern billiards. The early croquet-like games eventually led to the development of the carom billiards category. These games are played with three or sometimes four balls on a table without holes in which the goal is generally to strike one with a , then have the cue ball rebound off of one or more of the cushions and strike a second object ball. Variations include straight rail, balkline, one-cushion, three-cushion, five-pins, and four-ball, among others. One type of obstacle remained a feature of many tables, originally as a hazard and later as a target, in the form of pockets, or holes partly cut into the table bed and partly into the cushions, leading to the rise of pocket billiards, including "pool" games such as eight-ball, nine-ball, straight pool, and
one-pocket One-pocket is a pool game. Only one pocket for each player is used in this game, unlike other games played on a pool table where any can be used to score . The object of the game is to score points. A point is made when a player pockets any obj ...
; Russian pyramid;
snooker Snooker (pronounced , ) is a cue sport played on a rectangular Billiard table#Snooker and English billiards tables, billiards table covered with a green cloth called baize, with six Billiard table#Pockets 2, pockets: one at each corner and ...
; English billiards; and others. In the United States, pool and billiards had died out for a bit, but between 1878 and 1956 the games became very popular. Players in annual championships began to receive their own
cigarette card Cigarette cards are trading cards issued by tobacco industry, tobacco manufacturers to stiffen cigarette packaging and nicotine marketing, advertise cigarette brands. Between 1875 and the 1940s, cigarette companies often included collectible car ...
s. This was mainly due to the fact that it was a popular pastime for troops to take their minds off battle. However, by the end of World War II, pool and billiards began to die down once again. It was not until 1961 when the film ''The Hustler'' came out that sparked a new interest in the game. Now the game is generally well-known and has many players of all different skill levels.


As a sport

The games with regulated international professional competition, if not others, have been referred to as "sports" or "sporting" events, not simply "games", since 1893 at the latest. Quite a variety of particular games (i.e., sets of rules and equipment) are the subject of present-day competition, including many of those already mentioned, with competition being especially broad in nine-ball, snooker, three-cushion, and eight-ball. Snooker, though a pocket billiards variant and closely related in its equipment and origin to the game of English billiards, is a professional sport organized at an international level, and its rules bear little resemblance to those of modern pool, pyramid, and other such games. A "Billiards" category encompassing pool, snooker, and carom has been part of the World Games since
2001 The year's most prominent event was the September 11 attacks against the United States by al-Qaeda, which Casualties of the September 11 attacks, killed 2,977 people and instigated the global war on terror. The United States led a Participan ...
.


Equipment


Billiard balls

Billiard balls vary from game to game, in size, design and quantity. Russian pyramid and kaisa have a size of 68 mm ( in). In Russian pyramid there are 16 balls, as in pool, but 15 are white and numbered, and the is usually red. In kaisa, five balls are used: the yellow (called the ''kaisa'' in Finnish), two red object balls, and the two white cue balls (usually differentiated by one cue ball having a dot or other marking on it and each of which serves as an object ball for the opponent). Carom billiards balls are larger than pool balls, having a diameter of 61.5 mm ( in), 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). Standard pool balls are 57.15 mm ( in), are used in many pool games found throughout the world, come in sets of two of object balls, seven and seven , an and a ; 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 of and balls instead of solids and stripes, known as "casino" style. They are used principally in Britain, Ireland, and some
Commonwealth A commonwealth is a traditional English term for a political community founded for the common good. The noun "commonwealth", meaning "public welfare, general good or advantage", dates from the 15th century. Originally a phrase (the common-wealth ...
countries, though not exclusively, since they are unsuited for playing nine-ball. The diameter varies but is typically slightly smaller than that of standard solids-and-stripes sets. Snooker balls are smaller than American-style pool balls with a diameter of 52.5 mm ( in), and come in sets of 22 (15 reds, 6 "", and a cue ball). English billiard balls are the same size as snooker balls and come in sets of three balls (two cue balls and a red object ball). Other games, such as bumper pool, have custom ball sets. Billiard balls have been made from many different materials since the start of the game, including clay,
bakelite Bakelite ( ), formally , is a thermosetting polymer, thermosetting phenol formaldehyde resin, formed from a condensation reaction of phenol with formaldehyde. The first plastic made from synthetic components, it was developed by Belgian chemist ...
,
celluloid Celluloids are a class of materials produced by mixing nitrocellulose and camphor, often with added dyes and other agents. Once much more common for its use as photographic film before the advent of safer methods, celluloid's common present-day ...
,
crystallite A crystallite is a small or even microscopic crystal which forms, for example, during the cooling of many materials. Crystallites are also referred to as grains. Bacillite is a type of crystallite. It is rodlike with parallel Wikt:longulite ...
,
ivory Ivory is a hard, white material from the tusks (traditionally from elephants) and Tooth, teeth of animals, that consists mainly of dentine, one of the physical structures of teeth and tusks. The chemical structure of the teeth and tusks of mamm ...
, plastic, steel and wood. The dominant material from 1627 until the early 20th century 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 John Wesley Hyatt (November 28, 1837 – May 10, 1920) was an American inventor. He is known for simplifying the production of celluloid. Hyatt, a Perkin Medal recipient, is included in the National Inventors Hall of Fame. He had nearly 238 pat ...
in 1868, but the material was volatile, sometimes exploding during manufacture, and was highly flammable.The New York Times Company (September 16, 1875)
Explosive Teeth.
. Retrieved January 2, 2007.


Tables

There are many sizes and styles of billiard tables. Generally, tables are
rectangle In Euclidean geometry, Euclidean plane geometry, a rectangle is a Rectilinear polygon, rectilinear convex polygon or a quadrilateral with four right angles. It can also be defined as: an equiangular quadrilateral, since equiangular means that a ...
s twice as long as they are wide. Table sizes are typically referred to by the nominal length of their longer dimension. Full-size snooker tables are long. Carom billiards tables are typically . Regulation pool tables are , though pubs and other establishments catering to casual play will typically use tables which are often coin-operated, nicknamed . Formerly, ten-foot pool tables were common, but such tables are now considered antiques. High-quality tables have a made of thick slate, in three pieces to prevent warping and changes due to temperature and humidity. The slates on modern carom tables are usually heated to stave off moisture and provide a consistent playing surface. Smaller bar tables are most commonly made with a single piece of slate. Pocket billiards tables of all types normally have six pockets, three on each side (four corner pockets, and two side or middle pockets).


Cloth

All types of tables are covered with billiard cloth (often called "felt", but actually a woven wool or wool/nylon blend called baize). Cloth has been used to cover billiards tables since the 15th century. Bar or tavern tables, which get a lot of play, use "slower", more durable cloth. The cloth used in upscale pool (and snooker) halls and home billiard rooms is "faster" (i.e., provides less friction, allowing the balls to roll farther across the table ), and competition-quality pool cloth is made from 100% worsted wool. Snooker cloth traditionally has a nap (consistent fiber directionality) and balls behave differently when rolling against versus along with the nap. The cloth of the billiard table has traditionally been green, reflecting its origin (originally the grass of ancestral lawn games), and has been so colored since at least the 16th century, but it is also produced in other colors such as red and blue. Television broadcasting of pool as well as 3 Cushion billiards prefers a blue colored cloth which was chosen for better visibility and contrast against colored balls.


Rack

A rack is the name given to a frame (usually wood, plastic or aluminium) used to organize billiard balls at the beginning of a game. This is traditionally triangular in shape, but varies with the type of billiards played. There are two main types of racks; the more common triangular shape which is used for eight-ball and straight pool and the diamond-shaped rack used for nine-ball. There are several other types of less common rack types that are also used, based on a "template" to hold the billiard balls tightly together. Most commonly it is a thin plastic sheet with diamond-shaped cut-outs that hold the balls that is placed on the table with the balls set on top of the rack. The rack is used to set up the "break" and removed once the break has been completed and no balls are obstructing the template.


Cues

Billiards games are mostly played with a stick known as a cue. A cue is usually either a one-piece tapered stick or a two-piece stick divided in the middle by a joint of metal or phenolic resin. High-quality cues are generally two pieces and are made of a hardwood, generally maple for billiards and ash for snooker. The end of the cue is of larger circumference and is intended to be gripped by a player's hand. The of the cue is of smaller circumference, usually tapering to an terminus called a (usually made of fiberglass or brass in better cues), where a rounded leather is affixed, flush with the ferrule, to make final contact with balls. The tip, in conjunction with chalk, can be used to impart spin to the cue ball when it is not hit in its center. Cheap cues are generally made of pine, low-grade maple (and formerly often of ramin, which is now endangered), or other low-quality wood, with inferior plastic ferrules. A quality cue can be expensive and may be made of exotic woods and other expensive materials which are artfully inlaid in decorative patterns. Many modern cues are also made, like
golf club A golf club is a club used to hit a golf ball in a game of golf. Each club is composed of a shaft with a grip and a club head. Woods are mainly used for long-distance fairway or tee shots; irons, the most versatile class, are used for a variety o ...
s, with high-tech materials such as woven graphite. Recently,
carbon fiber Carbon fiber-reinforced polymers (American English), carbon-fibre-reinforced polymers ( Commonwealth English), carbon-fiber-reinforced plastics, carbon-fiber reinforced-thermoplastic (CFRP, CRP, CFRTP), also known as carbon fiber, carbon comp ...
woven composites have been developed and utilized by top professional players and amateurs. Advantages include less flexibility and no worry of nicks, scratches, or damages to the cue. Skilled players may use more than one cue during a game, including a separate cue with a hard phenolic resin tip for the opening break shot, and another, shorter cue with a special tip for .


Mechanical bridge

The mechanical bridge, sometimes called a "rake", "crutch", "bridge stick" or simply "bridge", and in the UK a "rest", is used to extend a player's reach on a shot where the cue ball is too far away for normal hand bridging. It consists of a stick with a grooved metal or plastic head which the cue slides on. Some players, especially current or former snooker players, use a screw-on cue butt extension instead of or in addition to the mechanical bridge. Bridge head design is varied, and not all designs (especially those with cue shaft-enclosing rings, or wheels on the bottom of the head), are broadly tournament-approved. In Italy, a longer, thicker cue is typically available for this kind of tricky shot. For snooker, bridges are normally available in three forms, their use depending on how the player is hampered; the standard rest is a simple cross, the 'spider' has a raised arch around 12 cm with three grooves to rest the cue in and for the most awkward of shots, the 'giraffe' (or 'swan' in England) which has a raised arch much like the 'spider' but with a slender arm reaching out around 15 cm with the groove.


Chalk

Chalk is applied to the tip of the cue stick, ideally before every shot, to increase the tip's friction coefficient so that when it impacts the cue ball on a non-center hit, no (unintentional slippage between the cue tip and the struck ball) occurs. Chalk is an important element to make good shots in pool or
snooker Snooker (pronounced , ) is a cue sport played on a rectangular Billiard table#Snooker and English billiards tables, billiards table covered with a green cloth called baize, with six Billiard table#Pockets 2, pockets: one at each corner and ...
. Cue tip chalk is not actually the substance typically referred to as "
chalk Chalk is a soft, white, porous, sedimentary carbonate rock. It is a form of limestone composed of the mineral calcite and originally formed deep under the sea by the compression of microscopic plankton that had settled to the sea floor. Ch ...
" (generally
calcium carbonate Calcium carbonate is a chemical compound with the chemical formula . It is a common substance found in Rock (geology), rocks as the minerals calcite and aragonite, most notably in chalk and limestone, eggshells, gastropod shells, shellfish skel ...
), but any of several proprietary compounds, with a
silicate A silicate is any member of a family of polyatomic anions consisting of silicon and oxygen, usually with the general formula , where . The family includes orthosilicate (), metasilicate (), and pyrosilicate (, ). The name is also used ...
base. Around the time of the
Industrial Revolution The Industrial Revolution, sometimes divided into the First Industrial Revolution and Second Industrial Revolution, was a transitional period of the global economy toward more widespread, efficient and stable manufacturing processes, succee ...
newer compounds started to be used that provided better grip for the ball. This is when the English began to experiment with side spin or applying curl to the ball. This was shortly introduced to the American players and is how the term "putting English on the ball" came to be. "Chalk" may also refer to a cone of fine, white ; like
talc Talc, or talcum, is a clay mineral composed of hydrated magnesium silicate, with the chemical formula . Talc in powdered form, often combined with corn starch, is used as baby powder. This mineral is used as a thickening agent and lubricant ...
(talcum powder) it can be used to reduce friction between the cue and bridge hand during shooting, for a smoother stroke. Some brands of hand chalk are made of compressed talc. (Tip chalk is not used for this purpose because it is abrasive, hand-staining and difficult to apply.) Many players prefer a slick pool glove over hand chalk or talc because of the messiness of these powders; buildup of particles on the cloth will affect ball behavior and necessitate more-frequent cloth cleaning. Cue tip chalk (invented in its modern form by straight rail billiard pro William A. Spinks and chemist William Hoskins in 1897)"The World's Most Tragic Man Is the One Who Never Starts"
, Clark, Neil M.; originally published in ''The American'' magazine, May 1927; republished in ''hotwire: The Newsletter of the Toaster Museum Foundation'', vol. 3, no. 3, online edition. Retrieved February 24, 2007. The piece is largely an interview of Hoskins.
, 9 March 1897 is made by crushing
silica Silicon dioxide, also known as silica, is an oxide of silicon with the chemical formula , commonly found in nature as quartz. In many parts of the world, silica is the major constituent of sand. Silica is one of the most complex and abundant f ...
and the abrasive substance
corundum Corundum is a crystalline form of aluminium oxide () typically containing traces of iron, titanium, vanadium, and chromium. It is a rock (geology), rock-forming mineral. It is a naturally transparency and translucency, transparent material, but ...
or aloxite (aluminium
oxide An oxide () is a chemical compound containing at least one oxygen atom and one other element in its chemical formula. "Oxide" itself is the dianion (anion bearing a net charge of −2) of oxygen, an O2− ion with oxygen in the oxidation st ...
),"Aloxite"
, ChemIndustry.com database. Retrieved February 24, 2007.
"Substance Summary: Aluminum Oxide"
''PubChem Database'',
National Library of Medicine The United States National Library of Medicine (NLM), operated by the United States federal government, is the world's largest medical library. Located in Bethesda, Maryland, the NLM is an institute within the National Institutes of Health. I ...
,
US National Institutes of Health The National Institutes of Health (NIH) is the primary agency of the United States government responsible for biomedical and public health research. It was founded in 1887 and is part of the United States Department of Health and Human Service ...
. Retrieved February 24, 2007.
into a powder. It is combined with dye (originally and most commonly green or blue-green, like traditional billiard cloth, but available today, like the cloth, in many colours) and a binder (glue). Each manufacturer's brand has different qualities, which can significantly affect play. High humidity can also impair the effectiveness of chalk. Harder, drier compounds are generally considered superior by most players.


Major games

There are two main varieties of billiard games: carom and pocket. The main carom billiards games are straight rail, balkline and three cushion billiards. All are played on a pocketless table with three balls; two cue balls and one object ball. In all, players shoot a cue ball so that it makes contact with the opponent's cue ball as well as the object ball. Others of multinational interest are four-ball and five-pins. The most globally popular of the large variety of pocket games are
pool Pool may refer to: Bodies of water * Swimming pool, usually an artificial structure containing a large body of water intended for swimming * Reflecting pool, a shallow pool designed to reflect a structure and its surroundings * Tide pool, a roc ...
and
snooker Snooker (pronounced , ) is a cue sport played on a rectangular Billiard table#Snooker and English billiards tables, billiards table covered with a green cloth called baize, with six Billiard table#Pockets 2, pockets: one at each corner and ...
. A third, English billiards, has some features of carom billiards. English billiards used to be one of the two most-competitive cue sports along with the carom game balkline, at the turn of the 20th century and is still enjoyed today in
Commonwealth A commonwealth is a traditional English term for a political community founded for the common good. The noun "commonwealth", meaning "public welfare, general good or advantage", dates from the 15th century. Originally a phrase (the common-wealth ...
countries. Another pocket game, Russian pyramid and its variants like kaisa are popular in the former
Eastern bloc The Eastern Bloc, also known as the Communist Bloc (Combloc), the Socialist Bloc, the Workers Bloc, and the Soviet Bloc, was an unofficial coalition of communist states of Central and Eastern Europe, Asia, Africa, and Latin America that were a ...
.


Games played on a carom billiards table


Straight rail

In straight rail, a player scores a point and may continue shooting each time his cue ball makes contact with both other balls. Some of the best players of straight billiards developed the skill to the balls in a corner or along the same rail for the purpose of playing a series of to score a seemingly limitless number of points. The first straight rail professional tournament was held in 1879 where Jacob Schaefer Sr. scored 690 points in a single turn (that is, 690 separate strokes without a miss). With the balls repetitively hit and barely moving in endless "nursing", there was little for the fans to watch.


Balkline

In light of these skill developments in straight rail, the game of balkline soon developed to make it impossible for a player to keep the balls gathered in one part of the table for long, greatly limiting the effectiveness of nurse shots. A is a line parallel to one end of a billiards table. In the game of balkline, the players have to drive at least one object ball past a balkline parallel to each rail after a specified number of points have been scored.


Cushion billiards

Another solution was to require a player's cue ball to make contact with the rail cushions in the process of contacting the other balls. This in turn saw the three-cushion version emerge, where the cue ball must make three separate cushion contacts during a shot. This is difficult enough that even the best players can only manage to average one to two points per turn. This is sometimes described as "hardest to learn" and "require most skill" of all billiards.


Games played on a pool table

There are many variations of games played on a standard pool table. Popular pool games include
eight-ball Eight-ball (also spelled 8-ball or eightball, and sometimes called solids and stripes, spots and stripes, bigs and smalls, big ones and little ones, or rarely highs and lows) is a discipline of Pool (cue sports), pool played on a billiard tabl ...
,
nine-ball Nine-ball (sometimes written 9-ball) is a discipline of the cue sport pool. The game's origins are traceable to the 1920s in the United States. It is played on a rectangular billiard table with at each of the four corners and in the middle o ...
,
straight pool Straight pool, which is also called 14.1 continuous and 14.1 rack, is a Cue sports, cue sport in which two competing players attempt to as many s as possible without playing a . The game was the primary version of Pool (cue sports), pool play ...
and
one-pocket One-pocket is a pool game. Only one pocket for each player is used in this game, unlike other games played on a pool table where any can be used to score . The object of the game is to score points. A point is made when a player pockets any obj ...
. Even within games types (e.g.
eight-ball Eight-ball (also spelled 8-ball or eightball, and sometimes called solids and stripes, spots and stripes, bigs and smalls, big ones and little ones, or rarely highs and lows) is a discipline of Pool (cue sports), pool played on a billiard tabl ...
), there may be variations, and people may play recreationally using relaxed or local rules. A few of the more popular examples of pool games are given below. In eight-ball and nine-ball, the object is to sink object balls until one can legally pocket the winning
eponym An eponym is a noun after which or for which someone or something is, or is believed to be, named. Adjectives derived from the word ''eponym'' include ''eponymous'' and ''eponymic''. Eponyms are commonly used for time periods, places, innovati ...
ous "". Well-known but waning in popularity is straight pool, in which players seek to continue sinking balls, rack after rack if they can, to reach a pre-determined winning score (typically 150). Related to nine-ball, another well-known game is
rotation Rotation or rotational/rotary motion is the circular movement of an object around a central line, known as an ''axis of rotation''. A plane figure can rotate in either a clockwise or counterclockwise sense around a perpendicular axis intersect ...
, where the lowest-numbered object ball on the table must be struck first, although any object ball may be pocketed (i.e., combination shot). Each pocketed ball is worth its number, and the player with the highest score at the end of the rack is the winner. Since there are only 120 points available (1 + 2 + 3 ⋯ + 15 = 120), scoring 61 points leaves no opportunity for the opponent to catch up. In both one-pocket and bank pool, the players must sink a set number of balls; respectively, all in a particular , or all by . In snooker, players score points by alternately potting and various special "".


Two-player or -team games

*
Eight-ball Eight-ball (also spelled 8-ball or eightball, and sometimes called solids and stripes, spots and stripes, bigs and smalls, big ones and little ones, or rarely highs and lows) is a discipline of Pool (cue sports), pool played on a billiard tabl ...
: The goal is to () all of one's designated of balls (either vs. , or vs. , depending upon the equipment), and then pocket the in a pocket. *
Nine-ball Nine-ball (sometimes written 9-ball) is a discipline of the cue sport pool. The game's origins are traceable to the 1920s in the United States. It is played on a rectangular billiard table with at each of the four corners and in the middle o ...
: The goal is to pocket the 9 ball; the initial contact of the each turn must be with the lowest-numbered remaining on the table; there are numerous variants such as
seven-ball Seven-ball is a pool game with rules similar to nine-ball, though it differs in two key ways: the game uses only seven as implied by its name, and play is restricted to particular pockets of the table. William D. Clayton is credited with the g ...
, six-ball, and the older forms of three-ball and ten-ball, that simply use a different number of balls and have a different . *
Straight pool Straight pool, which is also called 14.1 continuous and 14.1 rack, is a Cue sports, cue sport in which two competing players attempt to as many s as possible without playing a . The game was the primary version of Pool (cue sports), pool play ...
(a.k.a. 14.1 continuous pool): The goal is to reach a predetermined number of (e.g. 100); a point is earned by pocketing any called ball into a designated pocket; game play is by of 15 balls, and the last object ball of a rack is not pocketed, but left on the table with the opponent re-racking the remaining 14 before game play continues. *
Bank pool Bank pool is a pool game that has as its most fundamental requirement that all scoring shots in the game must be made by a called ball off a and into a called pocket. While the game has multiple variations, the predominant version through much ...
: The goal is to reach a predetermined number of points; a point is earned by pocketing any called ball by it into a designated pocket using one or more .


Speed pool

Speed pool is a standard billiards game where the balls must be pocketed in as little time as possible. Rules vary greatly from tournament to tournament. The International Speed Pool Challenge has been held annually since 2006.


Games played on a snooker table


English billiards

Dating to approximately 1800, English billiards, called simply billiards in many
former British colonies Below are lists of the countries and territories that were formerly ruled or administered by the United Kingdom or part of the British Empire (including military occupations that did not retain the pre-war central government), with their independ ...
and in the UK where it originated, was originally called the ''winning and losing carambole game'', folding in the names of three predecessor games, ''the winning game'', ''the losing game'' and ''the carambole game'' (an early form of straight rail), that combined to form it. The game features both (caroms) and the pocketing of balls as objects of play. English billiards requires two and a red . The object of the game is to score either a fixed number of points, or score the most points within a set time frame, determined at the start of the game. Points are awarded for: *Two-ball cannons: striking both the object ball and the other (opponent's) cue ball on the same shot (2 points). *: the red ball (3 points); potting the other cue ball (2 points). * (or "in-offs"): potting one's cue ball by cannoning off another ball (3 points if the red ball was hit first; 2 points if the other cue ball was hit first, or if the red and other cue ball were "", i.e., hit simultaneously).


Snooker

Snooker is a pocket billiards game originated by British officers stationed in
India India, officially the Republic of India, is a country in South Asia. It is the List of countries and dependencies by area, seventh-largest country by area; the List of countries by population (United Nations), most populous country since ...
during the 19th century, based on earlier pool games such as black pool and life pool. The name of the game became generalized to also describe one of its prime strategies: to "" 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, and major national pastime along with association football and
cricket Cricket is a Bat-and-ball games, bat-and-ball game played between two Sports team, teams of eleven players on a cricket field, field, at the centre of which is a cricket pitch, pitch with a wicket at each end, each comprising two Bail (cr ...
. It is played in many
Commonwealth A commonwealth is a traditional English term for a political community founded for the common good. The noun "commonwealth", meaning "public welfare, general good or advantage", dates from the 15th century. Originally a phrase (the common-wealth ...
countries as well, and in areas of Asia, becoming increasingly popular in China in particular. Snooker is uncommon in North America, where pool games such as eight-ball and nine-ball dominate, and Latin America and
Continental Europe Continental Europe or mainland Europe is the contiguous mainland of Europe, excluding its surrounding islands. It can also be referred to ambiguously as the European continent, – which can conversely mean the whole of Europe – and, by som ...
, where carom games dominate. The first
World Snooker Championship The World Snooker Championship, or simply known as the World Championship, is the longest-running and most prestigious tournament in professional snooker. It is also the richest event to date with a total prize money of £2,395,000, including ...
was held in 1927, and it has been held annually since then with few exceptions. The
World Professional Billiards and Snooker Association The World Professional Billiards and Snooker Association (WPBSA) is the governing body of professional snooker and English billiards. It is headquartered in Bristol, England. Founded as the Professional Billiard Players Association (PBPA) in ...
(WPBSA) was established in 1968 to regulate the professional game, while the International Billiards and Snooker Federation (IBSF) regulates the amateur games.


List of cue sports and games


Carom games

* Artistic billiards * Balkline *
Four-ball billiards Four-ball billiards or four-ball carom (often abbreviated to simply four-ball, and sometimes spelled 4-ball or fourball) is a carom billiards game, played on a Billiard table#Carom billiards tables, pocketless table with four billiard balls, usual ...
(, ) * One-cushion billiards * Straight rail *
Three-cushion billiards Three-cushion billiards, also called three-cushion carom, is a form of carom billiards. The object of the game is to the off both while contacting the at least three times before contacting the second object ball. A point is scored for each s ...


Pocket games


Pool games


Non-pool pocket games

* Golf billiards * Russian pyramid


Snooker games

*
Snooker Snooker (pronounced , ) is a cue sport played on a rectangular Billiard table#Snooker and English billiards tables, billiards table covered with a green cloth called baize, with six Billiard table#Pockets 2, pockets: one at each corner and ...
** Six-red snooker **
American snooker American snooker is a cue sport played almost exclusively in the United States, and strictly on a recreational, amateur basis. Diverging from the original game of snooker, rules for American snooker date back to at least 1925, and have been pro ...
** Brazilian snooker ** Volunteer snooker ** Snooker plus ** Power Snooker


Games with pockets and caroms

* Bottle pool * Cowboy pool * English billiards * Kaisa


Obstacle and target games

* Bagatelle * Bar billiards * Bumper pool *
Danish pin billiards Danish billiards or ''keglebillard'', sometimes called Danish five-pin billiards, is the traditional cue sport of Denmark Denmark is a Nordic countries, Nordic country in Northern Europe. It is the metropole and most populous constituent ...
*
Five-pin billiards Five-pin billiards or simply five-pins or 5-pins (;Novuss (uses full-length cues)


Cueless games

* Boccette *
Crud In computer programming, create, read, update, and delete (CRUD) are the four basic operations (actions) of persistent storage. CRUD is also sometimes used to describe user interface conventions that facilitate viewing, searching, and changing info ...


Main games


See also

*
Glossary of cue sports terms The following is a glossary of traditional English-language terms used in the three overarching cue sports disciplines: ''carom billiards'' referring to the various games played on a billiard table without ; ''Pool (cue sports), pool'', which d ...
* BCA Hall of Fame *
Hustling Hustling is the deceptive act of disguising one's skill in a sport or game with the intent of luring someone of probably lesser skill into gambling (or gambling for higher than current stakes) with the hustler, as a form of both a confidence tri ...
* Cue sports techniques


References


Citations


Sources

* *


Further reading

* * * * *


External links

* {{Authority control Sports entertainment French inventions