This page explains how Lee Christo (USATT# 3495)'s rating went from 1449 to 1447 at the St. Joseph Valley Open held on - 26 May 2002. 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.