This page explains how Bryson Shelor (USATT# 33071)'s rating went from 525 to 520 at the Quincy Table Tennis Club event from 28 Oct 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.