This page explains how Joe E. Griffis (USATT# 6276)'s rating went from 2072 to 2090 at the Eastern Open on the No. Amer T held on - 14 May 2000. 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.