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. |
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. |
An Unassuming Club
Presentation of a variant of the Polish Club system. |
B-M Precision
Detailed presentation of a variation of the system. |
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. |
Brazilian Bridge
Presention of the Carioca Club and other conventions, links. |
Bridge Bidding Guide
Look-up tables for bridge bidding, with the most common conventions used in "Standard American" bidding, by Richard Pavlicek. |
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 su |
Caliper
Bidding system from Norway based on a Big Diamond relay sequence. |
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. |
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. |
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. |
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). |
The Chilli Bidding System
Gives priority to simplicity and universality of rules. |
The Diamond Major
Forcing club, 5-card major, medium notrump system. |
The L System
An original bridge bidding system presented by Hong Liu, based on very light openings. |
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