This page explains how Christopher Alan Shelor (USATT# 33072)'s rating went from 809 to 803 at the Quincy Table Tennis Club event from 26 Jan 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.