This is a system of bids involving a 1 Club opening, devised by Mr. Somboon Nandhabiwat.

Download a copy of this Italian system used to great effect in many world championships. Zip file expands to a 70 page plus Word document.

Bidding system could be nicknamed the Weight Watchers system due to its focus on light openings. Read Hong Liu's explanations and notes.

Mike introduces his favorite system, aka MAF. Review the meanings of opening bids and responses, or download a file.

Paul Glick stands by this hybrid of two popular bidding systems. Read about opening bids and their meanings.

SAYC is a common system that consists of conventions employed by most bridge players. Print out a comprehensive summary in .zip or .pdf formats.

British bidding system incorporates such conventions as strong 2 club opening, fourth suit forcing, and splinter bids. Read a description.