Classic Rating Formula
The CRF Rating
The goal of the Classic Rating Formula (CRF) is to provide an objective, accurate and transparent rating system that is uniquely suited to scoring classic yacht races. CYOA's CRF Technical Committee routinely refines the formulae and factors used to calculate ratings annually, based on careful quantitative analysis of race results after each season. Maintaining the competitive balance within groups is a priority, but the ratings for most yachts will often change slightly from one year to the next even if the declared input data remains the same.
Each year, each vessel needs a new CRF Certificate ($50 per certificate with a $25 rush charge after June 1). Certificates only cover a portion of our operating costs and we rely heavily on volunteers. We encourage owners to also support the CYOA's efforts with a $100 membership each year.
2025 CRF Rating Documents
Classic Rating Divisions
These general definitions describe the difference in the Racing divisions. Please refer to the official definitions for further detailed explanations between the divisions. All boats are assigned a division on the CRF Certificate for which they will be scored for the overall series. Individual regattas may re-classify or group boats to fit their needs.
Vintage
Yachts designed before 1950 that have been built, maintained or restored with materials and methods consistent with the original design.
Classic
Yachts designed between 1950 and 1980 that are built primarily of wood, aluminum or steel, that have been built, maintained or restored with materials and methods consistent with their original design.
Modern Classic
Yachts designed between 1950 and 1980 with different keel and rudders or restored with modern materials that differ from their original design.
Spirit of Tradition
Yachts designed after 1980 that embody recognizable connections to classic yacht or traditional workboat elements in hull shape and deck and superstructure shape, style and features.
Contemporary
Yachts designed after 1980, whose hulls are built of wood, with modern keels, and whose designs do not fit the SoT Division definition.
The Classic Yacht Owners Association is an exempt organization as described in Section 501(C) (3) of the Internal Revenue Code. Donations and membership fees are charitable contributions and tax-deductible. Employer Identification Number: 81-285925
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