This page explains how Festus E. Mead (USATT# 8264)'s rating went from 1686 to 1680 at the 11th Annuan Bernard Hock Open held on - 13 Oct 1996. The links below take you to pages that describe various aspects of the rating processor.

The rating processor goes through 4 passes in order. The links take you to pages that provide detailed explanations of the calculations during each of the 4 passes.