This page explains how James M. Harrell (USATT# 35481)'s rating went from 1677 to 1668 at the Cinco de Mayo RR held on - 4 May 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.