Organizes tournaments on BBO. List of members, schedule, results and rankings.

Proposes regular online individual tournaments on BBO with limited systems and conventions. Schedule, results and analysis.

Organizes prize-givinb tournaments online. Schedule, results and rankings.

Provides news from the BBO community, description of Polish Club biddng system in various languages and articles. Manages online team tournaments.

Organizes high-level tournaments on BBO. List of players, rankings and results.

Aims to facilitate online bridge for the gay community and their friends. Games on BBO.

Manages tournaments on BBO. Presents rules, schedules and results. English and Dutch.

Provides a convenient method to find and schedule matches on OKBridge with teams of similar ability and forum.

Organizes regular paying tournaments on BBO. Schedule and rankings.

Organizes bidding practice and tournaments on OKBridge.

Provides tournaments daily in Bridge Base Online. Presents standings and schedule.