This page explains how Paul A Shelor (USATT# 24924)'s rating went from 1509 to 1429 at the Quincy Table Tennis Club event from 22 Nov 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.