Marienborg - Billardsalon.jpg 2,560 × 1,920; 2.69 MB. The game is played by two players or by two teams (a pair of doubles partners most commonly, but also larger teams).  [Note 6]  [Note 7], The object ball itself is also worth points:   , The game has some fouls unique to its ruleset, as well as the usual fouls of billiards games. However, the first kaisa world championship tournament was held in April 2010. Billiard mau than cantho.jpg 3,888 × 2,592; 3.73 MB.
The earliest form of billiards, ground billiards, was played with a single pin called the "king". All fouls nullify any points the shooter would have earned on the foul shot, and award the opponent free points (which vary depending on the type of foul). The English-language version of this document confusingly refers to the opponent's cue ball as the object ball, and the red object ball as simply the red ball. The game is popular especially in Italy (where it originated) and Argentina, but also in some other parts of Latin America and Europe, with international, televised professional tournaments (for the carom version only).  A bridge stick ( rest ) may be used to reach long shots. Each player is assigned one of the white balls as a cue ball. In its simplest form, the object of the game is to score points or "counts" by caroming one's own cue ball off both the opponent's cue ball and the object ball(s) on a single shot. Those unfamiliar with the game sometimes mistakenly use its name as a synonym for the very different game of kelly pool. , Organized by Italian Federation of Billiard Sport (FIBiS), the Five-pins Pro World Cup (World Cup Pro "5 Birilli"), was a semi-annual event begun in 1993, and discontinued after 1997.  [Note 5] There are traditionally four white pins, and one red. Goriziana or nine-pin billiards is a carom billiards game, especially popular in Italy. The game has numerous variations, mostly regional.
Danish billiards or keglebillard, sometimes called Danish five-pin billiards, is the traditional cue sport of Denmark, and the game remains predominantly played in that country. The translated Italian name for this spot is the "top spot", but this name makes no sense in English, as the metaphoric "head" or "top" of the table in Italian is the reverse of the usage in English. Kaisa is principally a recreational game, without professional players.  Professional and regulated amateur play today exclusively uses pocketless tables and equal-sized balls. Unlike nine-ball, ten-ball, or seven-ball where the game's name reflects the number of object balls used, eight-ball uses all fifteen object balls.  Ball sets vary by manufacturer, but typically are white for first and yellow for second (they may be plain or spotted), or plain white for first and white with a spot for second. The game is played to 60 points, in a rather elaborate scoring system, reminiscent of those used in snooker and English billiards, with points being awarded for various types of shots.
An extra 2 points go to the opponent if the object ball was correctly hit on an otherwise foul stroke (in addition to being awarded the 3 or 4 points the object ball was worth). English billiards, called simply billiards in the United Kingdom, where it originated, and in many former British colonies such as Australia, is a cue sport that combines the aspects of carom billiards and pocket billiards. Denmark Discovered; Temples, Tea, Wildlife, Palaces and More: A Southern India Circuit; A Tale of Two Cities in India: Bombay (Mumbai) and Calcutta (Kolkata)