This page explains how Richard Lee (USATT# 54845)'s rating went from 2221 to 2219 at the 1995 Hofstra Open held on - 4 Dec 1995. 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.