Contract bridge occupies nowadays a position of great prestige being,together with chess, the only mind games officially recognized by theInternational Olympic Committee. In the present paper an innovative method forassessing the total performance of bridge- players' belonging to groups ofspecial interest(e.g. different bridge clubs during a tournament, men andwomen, new and old players, etc) is introduced, which is based on principles offuzzy logic. For this, the cohorts under assessment are represented as fuzzysubsets of a set of linguistic labels characterizing their performance and thecentroid defuzzification method is used to convert the fuzzy data collectedfrom the game to a crisp number. This new method of assessment could be usedinformally as a complement of the official bridge-scoring methods forstatistical and other obvious reasons. Two real applications related tosimultaneous tournaments with pre-dealt boards, organized by the HellenicBridge Federation, are also presented, illustrating the importance of ourresults in practice.
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