Duplicate Bridge
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Duplicate Bridge
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 the element of skill is heightened while that of chance is reduced. This stands in contrast to Bridge played without duplication, where each hand is freshly dealt and where scores may be more affected by chance in the short run. Four-way card holders known as Bridge boards are used to enable each player's hand to be preserved from table to table, and final scores are calculated by comparing each pair's result with others who played the same hand. In duplicate bridge, players normally play all the hands with the same partner, and compete either as a partnership (in a 'Pairs tournament') or on a team with one or more other partnerships ('Te ...
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French Deck
French-suited playing cards or French-suited cards are cards that use the French suits of (clovers or clubs ), (tiles or diamonds ), (hearts ), and (pikes or spades ). Each suit contains three or four face/court cards. In a standard 52-card pack these are the ( knave or jack), the ( lady or queen), and the (king). In addition, in Tarot packs, there is a (cavalier) ranking between the queen and the knave. Aside from these aspects, decks can include a wide variety of regional and national patterns, which often have different deck sizes. In comparison to Spanish, Italian, German, and Swiss playing cards, French cards are the most widespread due to the geopolitical, commercial, and cultural influence of France, the United Kingdom, and the United States in the 19th and 20th centuries. Other reasons for their popularity were the simplicity of the suit insignia, which simplifies mass production, and the popularity of whist and contract bridge. The English ...
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Round-robin Tournament
A round-robin tournament (or all-go-away-tournament) is a competition Competition is a rivalry where two or more parties strive for a common goal which cannot be shared: where one's gain is the other's loss (an example of which is a zero-sum game). Competition can arise between entities such as organisms, indiv ... in which each contestant meets every other participant, usually in turn.''Webster's Third New International Dictionary of the English Language, Unabridged'' (1971, G. & C. Merriam Co), p.1980. A round-robin contrasts with an elimination tournament, in which participants/teams are eliminated after a certain number of losses. Terminology The term ''round-robin'' is derived from the French term ''ruban'', meaning "ribbon". Over a long period of time, the term was Folk etymology, corrupted and idiomized to ''robin''. In a ''single round-robin'' schedule, each participant plays every other participant once. If each participant plays all others twice, this is freque ...
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Rubber Bridge
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 first to win two ''games'', each ''game'' presenting a score of 100 or more contract points; a new game ensues until one pair has won two games to conclude the rubber. Owing to the availability of various additional bonus and penalty points in the scoring, it is possible, though less common, to win the rubber by amassing more total points despite losing two games out of three. Rubber bridge involves a high degree of skill but there is also a fair amount of luck involved in who gets the best cards. A popular variation of rubber bridge is known as Chicago. Playing rubber bridge Rubber bridge is played with a standard deck of 52 cards. From high to low, the cards are ranked A, K, Q, J, 10, 9, 8, 7, 6, 5, 4, 3, and 2. Suits are ranked Spades (), Hearts (), Diamonds (), Clubs (). Four players play in two partnerships, with partners ...
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Sacrifice (bridge)
In duplicate bridge, a sacrifice (a save in common usage) is a deliberate bid of a contract that is unlikely to make in the hope that the points will be less than the points likely to be gained by the opponents in making their contract. In rubber bridge, a sacrifice is an attempt to prevent the opponents scoring a game or rubber on the expectation that positive scores on subsequent deals will offset the negative score. Owing to the difference in the methods of scoring between duplicate and rubber bridge, a sacrifice bid in rubber bridge is much less likely to be advantageous and so strategies differ between the games. Comparable strategy differences exist between Matchpoints scoring and IMPs scoring games. Scoring context Sacrificing against game contracts In duplicate bridge scoring, if the opponents bid and make a game contract, it yields them 600 or 620 points when they are vulnerable and 400 or 420 points when they are not vulnerable, depending upon the and assuming no . ...
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Contract Bridge Glossary
These terms are 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 trick-taking games. This glossary supplements the Glossary of card game terms. : ''In the following entries,'' boldface links ''are external to the glossary and'' plain links ''reference other glossary entries.'' 0–9 ;: A mnemonic for the original (Roman) response structure to the Roman Key Card Blackwood convention. It represents "3 or 0" and "1 or 4", meaning that the lowest step response (5) to the 4NT key card asking bid shows responder has three or zero keycards and the next step (5) shows one or four. ;: A mnemonic for a variant response structure to the Roman Key Card Blackwood convention. It represents "1 or 4" and "3 or 0", meaning that the lowest step response (5) to the 4NT key card asking bid shows responder has one or four keycards and the next step (5) shows three or zero. ;1RF: One round forc ...
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Safety Play
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 score) by ignoring a chance for a higher score. Declarer uses safety plays to cope with potentially unfavorable layouts of the opponent's cards. In so doing, declarer attempts to ensure the contract even in worst-case scenarios, by giving up the possibility of overtricks. Safety plays adapt declarer's strategy to the scoring system. In IMP-scoring tournaments and rubber bridge, the primary scoring reward comes from fulfilling the contract and overtricks are of little marginal value. Therefore, safety plays are an important part of declarer technique at quantitative scoring. In matchpoint games, which use comparative scoring, overtricks are very important. Therefore, although safety plays have a certain role at matchpoints, they are normally avoided if the odds for making the contract are good and overtricks are likely. Definitio ...
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Bridge Convention
A bridge convention is an agreement about an artificial or a set of related artificial calls. Calls made during the auction phase of a contract bridge game convey information about the player's card holdings. Calls may be "natural" (that is, are based on a holding of the suit bid, or a balanced distribution in the case of a notrump bid) or "" (show a feature unrelated to the named denomination). Purpose Contract bridge is a trick-taking card game played by four players in two competing partnerships in which a sequence of , also known as the auction, precedes the play of the cards. The purpose of this bidding is for players to inform their partners of the content of their hand and to arrive at a suitable contract at which to play the hand (or to prevent the opponents from arriving at a suitable contract). Although bidding is often "natural" (describing a hand by simple reference to possession, shape, and strength of the named suit), players may also bid using conventions, which as ...
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Signal (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 gives a coded meaning or ''signal'' to guide their subsequent card play. This may also be referred to as ''carding''. Signals are usually given with the cards from the two-spot to the nine-spot. There are three types of signals: * attitude signals – the most frequently used, to encourage or discourage continuation of the suit led by partner * count signals – showing either an even or odd number of cards held in the suit led and * suit preference signals – the least frequently used, indicating partiality for a specific side suit. The methods used for each type of signal have evolved over time and fall into two broad categories: * standard signals, where a high card or one followed by a lower card is encouraging when it is an attitude signal or shows an even number of cards when it is a count signal; and * reverse (upside down) ...
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Bidding System
A bidding system in contract bridge is the set of agreements and understandings assigned to calls and sequences of calls used by a partnership, and includes a full description of the meaning of each treatment and convention. The purpose of bidding is for each partnership to ascertain which contract, whether made or defeated and whether bid by them or by their opponents, would give the partnership their best scoring result. Each bidding system ascribes a meaning to every possible call by each member of a partnership, and presents a codified language which allows the players to exchange information about their card holdings. The vocabulary of is limited to 38 different calls - 35 level/denomination ''bids''A bid consists of two components — the level in range of 1-7, and one of five denominations: clubs (), diamonds (), hearts (), spades () and notrump (NT) plus ''pass'', ''double'' and ''redouble''. Any bid becomes a contract if followed by three successive passes, therefore ...
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Matchpoint Scoring
While a deal of bridge is always played following a unique set of rules, its scoring may vary depending on the type of event the deal is played on. There are two main categories of scoring: rubber and duplicate. Rubber scoring, and its popular variant Chicago, are mostly used in social play. Duplicate scoring is focused on tournament competition and has many variations that compare and rank the relative performance of partnerships and teams playing the same deals as their competitors. Terminology The following terms and concepts, defined in the glossary of contract bridge terms, are essential to understanding bridge scoring: * * * * * or Made * * * and grand slam * *Undoubled, and *, and Scoring elements Bridge scoring consists of nine elements. Not all elements are included in all game variants and the method of accumulation of the elements over several deals varies. * If the contract is made, the score for each such deal consists of: ** Contract points, assigned to ea ...
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IMP Scoring
IMP or imp may refer to: * Imp, a fantasy creature Arts and entertainment Fictional characters * Imp (She-Ra), a character in ''She-Ra: Princess of Power'' * Imp a character in '' Artemis Fowl: The Lost Colony'' * Imp, a character in the '' Clan Destine'' series of Marvel Comics * Imp, nickname of Tyrion Lannister, a character from ''A Song of Ice and Fire'' series Games * International Match Points, in contract bridge * Imp, a small Zombie that can appear randomly in ''Plants vs. Zombies'' * Imp (''Dungeons & Dragons''), a type of fictional lower level devil in the ''Dungeons & Dragons'' role-playing game * Imp (''Shattered Galaxy''), an infantry Unit in the MMORPG ''Shattered Galaxy'' * Imp, fire and ice enemies in the video game ''Hexen II'' * Imp, enemy in the video game ''Doom'' series * Imp, popular pet used by Warlocks in ''World of Warcraft'' * Imp, monster enemy in ''Geist'' * Imp, worker units in RTS ''Dungeon Keeper'' and its sequel * Imp, short for members of the ...
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Caddy (bridge)
In duplicate bridge, a caddy is an assistant to the tournament director with primary responsibility for: # collecting (score slips) after each round where required by the event format, and # moving boards Board or Boards may refer to: Flat surface * Lumber, or other rigid material, milled or sawn flat ** Plank (wood) ** Cutting board ** Sounding board, of a musical instrument * Cardboard (paper product) * Paperboard * Fiberboard ** Hardboard, a t ... between tables. In addition, the caddy dresses the tables (putting out the boards, electronic scoring devices or score slips, pencils and private score sheets), picks up player entry forms and generally assists the Director as required. References {{WPCBIndex Contract bridge card play ...
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