BRIDGE BIDDING SYSTEMS

Ever since the game of bridge has become popular, bridge players from around the world have been trying to define 52 cards. They have devised many conventions, treatments, methods, formulas, techniques and approaches to describe 13 hidden cards to their partner who is also holding 13 hidden cards. With all of these arrangements, bridge players have been hoping to also convey a certain mathematical strength and card length.

As soon as these arrangements have been devised, developed, refined and altered, these bridge players have given them names, called Systems. Out of these different Systems, the bridge player may choose the conventions and treatments he will wish to include in his or her repertoire. Out of these Systems come very many conventions and treatments which the individual bridge player still uses today.

Following is an incomplete list of Bridge Bidding Systems, but it contains those Systems which have survived the challenge of time and popularity. At the moment we wish to make the list available, not to offer explanations. Our reason to decide to include this page to our Website lies in the fact that many great bridge players from the past have taken the time to sit down, think a problem through, and then come up with a solution. They deserve the credit.

Aces Scientific
Acol
Amsterdam Club
Approach Forcing
Bankgkok Club
Baron
Big Diamond
Bissell
Blue Club System
Blue Team Club System
Bridge World Standard
CAB
Canary Club
Carrot Club
Churchill Style
Colonial Acol
Culbertson
Dutch Spade
Eastern Scientific
Efos
Ekrens Bidding System
Four Aces
Goren
HUM Systems
Kaplan-Scheinwold
Leghorn Diamond
Little Major
Little Roman Club System
Marmic
Moscito - Moscito Byte
New South Wales
Official
Orange Club
Precision Club
Pro System
Reith's One-Over-One
Relay Systems
Roman
Romex Bidding System
Roth-Stone Acol With Pakistani Preempts
Super Precision
Symmetric Relay
Two Over One
Ultimate Club
Weak Opening Systems
Western Scientific
Vanderbilt Club
Vienna
Viking Club
Walsch
Winslow
If you wish to include this feature, or any other feature, of the game of bridge in your partnership agreement, then please make certain that the concept is understood by both partners. Be aware whether or not the feature is alertable or not and whether an announcement should or must be made. Check with the governing body and/or the bridge district and/or the bridge unit prior to the game to establish the guidelines applied. Please include the particular feature on your convention card in order that your opponents are also aware of this feature during the bidding process, since this information must be made known to them according to the Laws of Duplicate Contract Bridge. We do not always include the procedure regarding Alerts and/or Announcements, since these regulations are changed and revised during time by the governing body. It is our intention only to present the information as concisely and as accurately as possible.

Claus and Raymond

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