Conventions and Bidding

Bridge Bidding Guide -  .

- Look-up tables for bridge bidding, with the most common conventions used in "Standard American" bidding, by Richard Pavlicek.

Aggressive Bidding Foundation - - Proposes an approach based on a math model over computer analysis. Provides famous pairs systems, an exposition of the theory and a bidding machine.

Bidding by Design - - Proposes articles on bidding system theory and offers examples for download. Free system design software available for download.

Bidding Guide - - Introduction to standard American bidding.

Bidding Order Shows Strength (BOSS) - - Describes a system where priority is given to the strenght of the partnership hands.

Bidding Quest - - Practice bidding on prepared deals with scores. Compare and check how other pairs have bid same boards. Try bidding competition with anonymous partner.

The Blue Team Club System - - Description of a complex bidding system invented in Italy. A major part of the information is in downloadable files only. Bilingual site (Italian/English).

B-M Precision - - Detailed presentation of a variation of the system.

Brazilian Bridge - - Presention of the Carioca Club and other conventions, links.

Bridge Bidding Systems and Conventions - - Thorough listing of bridge bidding systems and conventions, particularly those used in North America.

Bridge Conventions - - Provides an encyclopaedia of conventions, systems and treatments.

Bridge Files - - Provides overview of different systems, a list of conventions and information about the game. Free registration required.

Bridge Guys - - Lists and defines a large number of systems and conventions.

Bridge is it - - Concerned with bridge bidding systems, especially CLONE, based on a forcing weak/strong 1 club opening. Also features links to other bridge resources, particularly on bidding systems. Bilingual site (English/Norwegian).

Bridge World Standard - - Description of a bridge bidding system based on the preferences of leading players, and aimed at the needs of occasional partnerships. Some characteristics: 5-card major opening, strong no-trump, artificial strong two-club opening, weak 2s in the other suits, and inverted minors.

Caliper - - Bidding system from Norway based on a Big Diamond relay sequence.

The Chilli Bidding System - - Gives priority to simplicity and universality of rules.

Colonial Acol and LISA - - Presentation of two bidding systems, one a US adaptation of the British Acol system, the other a modification of Standard American.

Contract Bridge Culbertson System - - Contract bridge bidding, as developed by Culbertson. Culbertson's survey of good playing techniques is also included.

Conventions - - Survey of a large number of commonly used bridge bidding conventions and bidding systems.

Coyot's 2/1 Game Force - - Detailed presentation of this american system.

The Diamond Major - - Forcing club, 5-card major, medium notrump system.

Inquiry 2/1 GF - - Online book prensenting the author's variation of this popular north american system.

Josh's Bridge Pages - A Simple System - - Description of a simple bridge-bidding system played by some British players, based on weak NT and four-card major openings.

Key Lime Precision - - Modified version of the Precision Forcing 1Club bidding system, with many transfer responses.

The L System - - An original bridge bidding system presented by Hong Liu, based on very light openings.

M.A.F. - The Ultimate Bridge Bidding System - - A scientific bidding system from the Netherlands (5-card majors and different two-suiter openings). Bilingual site gives information in English and Dutch.

Neill, Daniel - - Proposes bidding notes to download for many systems, conventions and treatments.

Pekiner, YAlçin - - Proposes a collection of articles, tests and free software. English and Turkish.

Polish Standard 2000 - - Description of the Polish Club bidding system, with different variants.

Precision Bidding System - - Detailed description of the Precision Bidding System (strong 1 club opening, with 16+ points), as modified by one partnership.

Precision Two-over-One - - Presents an overview of a system mixing a strong club with standard methods.

REGRESsion - - Modification of the bidding system Regres, based on frequent openings with weak hands and opening passes with strong hands.

SA-YC Simplified - - This bidding system is a simplified version (as played on OKBridge) of the Standard Yellow Card (SA-YC) system of the ACBL (American Contract Bridge League). Its essential features include the strong no-trump, 5-card major and weak 2 openings.

An Unassuming Club - - Presentation of a variant of the Polish Club system.

An Unassuming Club - - A bidding system invented by Donald A. Varvel of Mountain View, CA, USA. It is based on an ambiguous 1 club opening, associated with 5-card majors, weak no trumps, and weak 2s.