The CRF (Classic Rating Formula) was developed as a measurement rating system for the use in racing varying types and sizes of traditional, full keeled, boat designs.

Generally based on the old CCA rule and modified through the years, it was first used for the Opera House Cup and then later for the remainder of classic events in New England.

This website wants to be a precious guide for better understanding CRF and possibly answer most of the most common questions.

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