This page explains how Charles Brooks (USATT# 58499)'s rating went from 1404 to 1376 at the AITTL League Singles Closed held on - 18 May 2002. 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.