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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 ...
A traveling scoreslip (also called a traveler) is a form used for recording the results of each deal in a duplicate bridge tournament. [1] In these tournaments, the four hands of each deal are placed into a board so that the same deal can be played by different competitors. Each time the deal (or board) is played, the result is entered into the ...
The World Bridge Federation (WBF) is the international governing body for contract bridge.. Emulating the organizational concepts of the Olympic movement and its signature five rings, the World Bridge Federation encompasses the five continents (America, Europe, Africa, Asia and Oceania) represented by eight geographic Zonal Conferences.
In contract bridge and particularly in duplicate bridge a convention card is a summary of the conventions and treatments that a particular pair is using. [1] The Laws of Duplicate Bridge specify that "Each partnership has a duty to make available its partnership understandings to opponents before commencing play against them."
At the conclusion of the tournament, a group of tennis players, who were also bridge enthusiasts, suggested having a duplicate bridge match in the evening as a form of relaxation. This event, coupled with impetus from the Cromwell School of Contract Bridge in New York City, marked the beginning of the American Bridge Association. Dr.
The American Contract Bridge League (ACBL) is a governing body for contract bridge in the United States, Canada, Mexico, and Bermuda. [1] It is the largest such organization in North America having the stated mission "to promote, grow and sustain the game of bridge and serve the bridge-related interests of our Members."
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).
First used in duplicate whist in the 1890s, the devices were called duplicate whist trays.Since the first [1] in November 1891, [2] numerous patents [3] have been registered incorporating a variety of shapes, sizes and materials and having various means of inserting and retaining the cards in place in the trays or apparatus, as they were often referred to in the patent description.