This page explains how Randall Medcalf (USATT# 64482)'s rating went from 2093 to 2087 at the Houston League event from 19 May 2004. 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.