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Duplicate bridge is a variation of contract bridge where the same set of bridge deals (i.e., the distribution of the 52 cards among the four hands) are played by different competitors, and scoring is based on relative performance. In this way, every hand, whether strong or weak, is played in competition with others playing identical cards, and ...
In duplicate bridge only, game and partial-game bonuses are awarded at the conclusion of each deal as follows: any partial contract, i.e. one scoring less than 100 contract points, scores a bonus of 50 points, and; any game contract, i.e. one scoring 100 or more points, scores a game bonus of 300 if not vulnerable and 500 if vulnerable.
Vanderbilt set out his rules in 1925, and within a few years contract bridge had so supplanted other forms of the game that "bridge" became synonymous with "contract bridge". The form of bridge mostly played in clubs, tournaments and online is duplicate bridge. The number of people who play contract bridge has declined since its peak in the ...
3b) (Noun) In duplicate bridge, a pivot table is a table where each pair will perform a pivot. This can only happen in a Howell movement, or another similar movement, where players move between East-West and North-South during the course of the game. Plafond A French, whist-like card game whose scoring foreshadowed that used in contract bridge.
The first Laws of Duplicate Contract Bridge were published in 1928. [1] They were revised in 1933, 1935, 1943, 1949, 1963, 1975, 1987, 1997, 2007 and 2017. [2] The Laws are effective worldwide for all duplicate bridge tournaments sponsored by WBF, zonal, national and subordinate organizations (which includes most bridge clubs).
In the American Contract Bridge League (ACBL), the two tables sharing boards are called a "relay" and the stand that holds the boards that are out of play is called a "bye stand." But in the English Bridge Union (EBU), the two tables sharing boards are called a "share" and the stand that holds the boards that are out of play is called a "relay."
Théorie Mathématique du Bridge. Gauthier-Villars. Second French edition by the authors in 1954. Translated and edited into English by Alec Traub as The Mathematical Theory of Bridge; printed in 1974 in Taiwan through the assistance of C.C. Wei. Kelsey, Hugh; Glauert, Michael (1980). Bridge Odds for Practical Players. Master Bridge Series.
Level bonus for game and slams: If a deal results in a game contract, slam or grand slam bid and made, level bonus points are recorded above the line and have the same values as in duplicate bridge. Part-score accumulation and level bonus: The part-score treatment differs from that in duplicate bridge and is somewhat akin to that of rubber bridge.