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Cribbage (pool)

Cribbage (pool), by Wikipedia https://en.wikipedia.org/wiki?curid=1... / CC BY SA 3.0 #Pool_(cue_sports) Setting up a game of cribbage with the triangle rack. Cribbage, sometimes called cribbage pocket billiards, cribbage pool, fifteen points and pair pool, is a two-player pocket billiards game that, like its namesake card game, has a scoring system which awards points for pairing groups of balls （rather than playing cards） that total 15. Played on a standard pool table, participants who pocket a ball of a particular number are required to immediately pocket the companion ball that tallies to 15 when added to the prior ball's number. Each pair so pocketed counts as a cribbage; there are seven such pairs, and the 15 ball counts as an eighth by itself after all of the others have been pocketed. The first player to score five cribbages wins the game. At the start of cribbage, a standard set of fifteen pool balls are racked at the foot end of a pool table, with the apex ball of the rack centered over the foot spot and the 15 ball placed at the rack's center. All other balls are placed randomly except that no two of the three corner balls may total to fifteen. Such an open-ended racking rule is unusual in that most pool games require particular balls to be placed at the corners of the rack and sometimes in fixed positions inside the rack as well. The arrangement thus results in 134,120,448,000 possible racking patterns （14 × 12 × 10 × 2 × 11!）. A cribbage rack: The 15 in the middle, apex ball on the foot spot, and no two corner balls adding up to fifteen. An open break is required in cribbage, meaning that on the break either a ball must be pocketed or at least four balls must be driven to rails （as opposed to a safety break such as used, for example, in straight pool and one-pocket）. The object of the game is to score 5 cribbages out of a possible 8 in a full rack of 15 balls. A cribbage is a pair of numbered balls which, when added together, total to 15 points. A ...