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List Of Bidding Systems
This is a list of bidding systems used in contract bridge. Systems listed have either had an historical impact on the development of bidding in the game or have been or are currently being used at the national or international levels of competition. Bidding systems are characterized as belonging to one of two broadly defined categories: * natural bidding systems and * artificial bidding systems. Nevertheless, each contains elements of the other given the number and variety of treatments and conventions that have been developed by bridge bidding theorists. Natural four card majors systems * 5-4-4-3 System * Acol * Baron, an English system developed in the 1940s by Leo Baron, Adam Meredith and others. * CAB, acronym for Two Clubs, Ace-asking and Blackwood * Canapé * Colonial Acol * Culbertson * EFOS, the Economical Forcing System developed by Eric Jannersten and others in Sweden in the sixties and seventies * EHAA, acronym for Every Hand An Adventure * Four Aces Team * Gor ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
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 ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Kaplan–Sheinwold
The Kaplan–Sheinwold (or "K-S") bidding system was developed and popularized by Edgar Kaplan and Alfred Sheinwold during their partnership, which flourished during the 1950s and 1960s. K-S is one of many natural systems. The system was definitively described in their 1958 book ''How to Play Winning Bridge'' and later revised and retitled to ''The Kaplan-Sheinwold System of Winning Bridge'' in 1963. Kaplan–Sheinwold and the Roth-Stone system were the two most influential challengers to Standard American bidding in the US in the 1950s, 1960s, and 1970s. Although K-S is not frequently played in its original form in the 21st century, many of its features (though not the 12–14 point 1NT opening) survive in the popular 2/1 Game Forcing system. Additionally, a few elements of Kaplan–Sheinwold (notably Five-Card Majors) have become accepted as part of Standard American practice. Among modern experts, Chip Martel and Lew Stansby play a system closely modeled on K-S, wi ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Vanderbilt Club
Vanderbilt Club was one of the earliest bidding systems in the game of contract bridge. It was devised by Harold S. Vanderbilt, who had in 1925 devised the game itself. It was published by him in 1929. It was the first strong club system. An updated version was published in 1964. As of 2017, it has long been obsolete. Overview In the Vanderbilt Club system, an opening bid of 1 is artificial and forcing, and shows a good hand. A response of 1 is an artificial negative. Other bids are "regulation bids". The system was published by Harold S. Vanderbilt in his 1929 book ''Contract Bridge''. It was the first strong club system. An updated version was published in 1964. Vanderbilt was a very early bridge theorist, because in his 1929 book he explained in detail the reasoning upon which his system was based: "In many Contract hands it is essential that an original bidder be assured of a second opportunity to bid". 1929 system The Official Encyclopedia of Bridge has called Vand ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Simplified Precision
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Howard Schenken
Howard Schenken (September 28, 1903 – February 20, 1979) was an American bridge player, writer, and long-time syndicated bridge columnist. He was from New York City. He won three Bermuda Bowl titles, and set several North American records. Most remarkably he won the Life Master Pairs five times, the Spingold twelve, and the Vanderbilt Trophy ten times; the LM Pairs and Vanderbilt records that still stand today. Schenken is ACBL Life Master number 3, dating from 1936. He was named to the bridge hall of fame by ''The Bridge World'' in 1966, which brought the number of members to nine, all made founding members of the ACBL Hall of Fame in 1995. Career Schenken was playing with the Raymond Club team in the late 1920s when he was spotted by the "Father" of the game Ely Culbertson, who invited him to play as a substitute during the much publicized " Bridge Battle of the Century" against Sidney Lenz, which was won by Culbertson's team. In 1932, Schenken formed a partnership with Da ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Precision Club
Precision Club is a bidding system in the game of contract bridge. It is a strong club system developed in 1969 for C. C. Wei by Alan Truscott, and used by Taiwan teams in 1969. Their success in placing second at the 1969 Bermuda Bowl (and Wei's multimillion-dollar publicity campaign) launched the system's popularity. The central feature of the Precision system is that an opening bid of one club is used for any hand with 16 or more high card points (HCP), regardless of distribution. An opening bid of one of a major suit signifies a five-card suit and 11–15 HCP. A one notrump opening bid signifies a balanced hand (no five-card major suit) and 13–15 HCP. Popularity After the success of Taiwan teams in 1969 and 1970 Bermuda Bowls with the system, the entire Italian Blue team switched to Precision Club and won yet another World Team Olympiad in 1972. The modifications to the system were made chiefly by Benito Garozzo and he titled it Super Precision. Today, multiple world ch ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Nottingham Club
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Moscito
Moscito (Major Oriented Strong Club — Intermediate Two Openings or Intrepid Two Openings or In Trouble Often) is a contract bridge bidding system created by the Australian Bridge experts Paul Marston and Stephen Burgess in 1985. According to Marston, they switched from their strong pass system because of tightening restrictions on such systems pushed by American representatives on the World Bridge Federation. Moscito is a strong club systems with limited one and two openings like Precision club, but follows the MAFIA (Majors First Always) principle where 4+ card Majors are always opened before Minor suits, no matter how long. Moscito used the Symmetric Relay structure developed by Prof. Roy Kerr Roy Patrick Kerr (; born 16 May 1934) is a New Zealand mathematician who discovered the Kerr geometry, an exact solution to the Einstein field equation of general relativity. His solution models the gravitational field outside an uncharged ... for slam bidding. In the o ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
French Club
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Carrot Club
Carrot Club (or ''Morotsklöver'' in Swedish) is a strong club system The Strong Club System is a set of bidding conventions and agreements used in the game of contract bridge and is based upon an opening bid of 1 as being an artificial forcing bid promising a strong hand. The strong 1 opening is assigned a minimum ..., developed in the 1970s and played in international teams championships by Danielle Nughes, Anders Morath and Sven-Olov Flodquist. They won the European teams championships in 1977 and placed third in the World teams championships in 1977 and 1991. Some features of the system are a natural 4+card 1 opening, canapé-openings with longer -suit, Carrot 1NT (a "wide" 1NT-opening showing 13–17 hcp; if 13–14, may not have a 4-card major), and the Carrot 4NT slam convention. References Further reading * Sven-Olov Flodqvist, ''Morotsklövern'' (Swedish title), Stockholm 1978. {{WPCBIndex Bridge systems ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Blue Club
Blue Club is a bridge bidding system, developed mainly by Benito Garozzo. It was used by the famous Blue Team and became very popular in the 1960s. It has gained a strong following ever since. The main features are: * Strong club system: 1 opening promises 17 or more HCP, with step answers showing controls (K=1 and A=2 controls) or HCP. 1 being negative showing 0-5 HCP and 1 showing 6-12 HCP but with no more than 2 controls, 1 showing 3 controls, 1NT showing 4 controls etc. * Four-card majors: 1 and 1 and 1 openings are limited (12-16 HCP), * Canapé. With two-suited hands, the opener's second bid is in the longer suit, whereas other more popular systems bid their shorter suit second. However, unlike the "fellow" Roman Club, there are many exceptions to this rule in Blue Club. * 1NT ranging from 13 to 17 high card points. It can be either 13-15 points, which is essentially a replacement bid for a balanced club suit with two specific shapes, 3-3-3-4 and 3-3-2-5, or 16-17 pts an ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Western Scientific
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