Are you looking for a sophisticated bridge bidding system that makes maximum use of modern relay and transfer theory to arrive at the optimum contract played by the right hand? Then you've come to the wrong place.
But if you are looking for a complete bidding system defined by a remarkably small number of universal rules, then Chilli will be of interest. A robust tournament-level tool, it places simplicity and universality of rules as its highest priority. It has a small, clean definition that enables its users to focus on evaluation, not memory.
There's no better place to start than the fundamentals. At the foot of each page there's a link labelled NEXT, and if you follow these links consistently, you will go to every page of the system definition.
But you might first want to take a detour to look at the history of Chilli. There is also a Chilli bidding blog, where you can make your comments and observations on Chilli.
In the text, you can hover over words like definitions to see a brief explanation. There is a complete summary of the notation and terminology used in the terminology section.
Alan Williams, September 2008