[VJ]

The idea is to propose for selected books ranking out of poll per bridge level, errata, and special topics:
e.g. for Bidding Challenge from Larry Cohen: give opportunity to readers having performed well to provide their bidding system, scores, and bidding sequence on all (20) hands of a chapter. A minimum overall score would be required to participate (e.g. an average at least equal to 1 IMP/deal).

This follows up on suggestion I gave once upon a time to Fred to add tools to measure the efficiency of a bidding system. I have tools myself, but some programming effort is required to build an user-friendly and efficient selling tool.