This page explains how Christopher Alan Shelor (USATT# 33072)'s rating went from 1047 to 1039 at the 2007 St Louis Gateway Open held on - 30 Sep 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.