This page explains how Randall Medcalf (USATT# 64482)'s rating went from 2098 to 2028 at the Houston League event from 18 Sep 2003. 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.