-
Proposes an approach based on a math model over computer analysis. Provides famous pairs systems, an exposition of the theory and a bidding machine.
-
Presentation of a variant of the Polish Club system.
-
Detailed presentation of a variation of the system.
-
Introduction to standard American bidding.
-
Describes a system where priority is given to the strenght of the partnership hands.
-
Practice bidding on prepared deals with scores. Compare and check how other pairs have bid same boards. Try bidding competition with anonymous partner.
-
Proposes articles on bidding system theory and offers examples for download. Free system design software available for download.
-
Presentation of the Carioca Club and other conventions.
-
Look-up tables for bridge bidding, with the most common conventions used in "Standard American" bidding, by Richard Pavlicek.
-
Presents an list of explanations and definitions.
-
Provides overview of different systems, a list of conventions and information about the game. Free registration required.
-
Lists and defines a large number of systems and conventions.
-
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.
-
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).
-
Bidding system from Norway based on a Big Diamond relay sequence.
-
Presentation of two bidding systems, one a US adaptation of the British Acol system, the other a modification of Standard American.
-
Contract bridge bidding, as developed by Culbertson. Culbertson's survey of good playing techniques is also included.
-
Survey of a large number of commonly used bridge bidding conventions and bidding systems.
-
Detailed presentation of this american system.
-
Online book prensenting the author's variation of this popular north american system.
-
A scientific bidding system from the Netherlands (5-card majors and different two-suiter openings). Bilingual site gives information in English and Dutch.
-
Proposes bidding notes to download for many systems, conventions and treatments.
-
Description of the Polish Club bidding system, with different variants.
-
Detailed description of the Precision Bidding System (strong 1 club opening, with 16+ points), as modified by one partnership.
-
Presents an overview of a system mixing a strong club with standard methods.
-
Modification of the bidding system Regres, based on frequent openings with weak hands and opening passes with strong hands.
-
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.
-
Description of a complex bidding system invented in Italy. A major part of the information is in downloadable files only. Bilingual site (Italian/English).
-
Gives priority to simplicity and universality of rules.
-
Forcing club, 5-card major, medium notrump system.
-
An original bridge bidding system presented by Hong Liu, based on very light openings.
-
Aggressive hand evaluation and bidding based on distribution, controls, and hcp. Presents the Zar Bid Machine.
