This page explains how Harvey Gotliffe (USATT# 6102)'s rating went from 1535 to 1521 at the Golden State Open held on - 24 May 2009. 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.