This page explains how Joel Christo (USATT# 11976)'s rating went from 1590 to 1603 at the Rockford Holiday Team Tourney held on - 5 Dec 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.