This page explains how Melvin Evans (USATT# 12920)'s rating went from 1680 to 1678 at the Dixie Open Giant RR held on - 27 Jan 2007. 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.