an elementary knowledge of probabilities. The tables below specify the various prior probabilities, i.e. the probabilities in the absence of any further...

follows from conditional probability theory, which is based on Bayes' theorem. For a good background to bridge probabilities, and vacant places in particular...

Contract bridge, or simply bridge, is a trick-taking card game using a standard 52-card deck. In its basic format, it is played by four players in two...

used in contract bridge, using duplicate or rubber scoring. Some of them are also used in whist, bid whist, the obsolete game auction bridge, and other...

World Bridge Federation. Contract bridge probabilities Both International Match Point and International Matchpoint spellings are common in bridge literature...

principle of restricted choice is a guideline used in card games such as contract bridge to intuit hidden information. It may be stated as "The play of a card...

Safety play in contract bridge is a generic name for plays in which declarer maximizes the chances for fulfilling the contract (or achieving a certain...

used to illustrate a deal of 52 cards in four hands in the game of contract bridge. Each hand is designated by a point on the compass and so North–South...

In the card game contract bridge, a suit combination is a specific subset of the cards of one suit held respectively in declarer's and dummy's hands at...

The American Contract Bridge League (ACBL) is a governing body for contract bridge in the United States, Canada, Mexico, and Bermuda. It is the largest...

Percentage play in contract bridge is a play influenced by mathematical factors when more than one reasonable line of play is available. It is a generic...

The history of contract bridge may be dated from the early 16th-century invention of trick-taking games such as whist. Bridge departed from whist with...

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...

This list is a compilation of contract bridge players, writers, administrators and personalities who have been recognized for their skills, achievements...

3" divided by the probability for "host opens door 3". These probabilities can be determined referring to the conditional probability table below, or to...

Auction bridge was the first form of bridge in which players bid to declare a contract in their chosen trump suit or no trumps. It was first recorded as...

Fritzi's bridge is intensely masculine and he-man stuff at that." "Where Rixi Markus is fiery, Fritzi Gordon is icy cold. Where Rixi takes her contracts by...

Duplicate Bridge (also known as the Laws of Duplicate Contract Bridge and the Laws of Contract Bridge) is the official rule book of duplicate bridge promulgated...

Bridge, or more formally contract bridge, is a trick-taking card game of skill and chance played by four players. This article consists of lists of bridge...

A (bridge) signal is a move in the card game of contract bridge in which partners defending against a contract play particular cards in a manner which...

He founded the Austrian Bridge Federation in 1929, and was its first president. According to his obituary in the Contract Bridge Journal: Paul Stern - whose...

A., eds. (1994). The Official Encyclopedia of Bridge (5th ed.). Memphis, TN: American Contract Bridge League. p. 675. ISBN 0-943855-48-9. LCCN 96188639...

Rubber bridge is a form of contract bridge played by two competing pairs using a particular method of scoring. A rubber is completed when one pair becomes...

Hamilton and Pottage) is one of many defensive bridge bidding conventions used in the card game contract bridge to compete or interfere in the auction when...

In the card game of contract bridge, to duck (or ducking) means to play low to a trick to which one has led, losing it intentionally in order to set up...

Jacoby transfer, or simply transfers, in the card game contract bridge, is a convention in most bridge bidding systems initiated by responder following partner's...

Optimum contract and par contract are two closely related (and sometimes confused) bridge scoring terms in the card game contract bridge. The optimum contract...

Psychic bid (also psych, pronounced to rhyme with like) is a bid in contract bridge that grossly misstates the power and/or suit lengths of one's hand...

followed by diamonds, hearts, and spades. This ranking is used in the game of bridge. This ranking is adopted in Unicode's Miscellaneous Symbols block (U+2660/4...

with the BBL. At national level the Scottish Bridge Union was formed in 1933 and the Welsh Contract Bridge Association the following year. There was still...