This page explains how Chris Miller (USATT# 35100)'s rating went from 1589 to 1567 at the Butterfly/East Gate Open Serie held on - 14 Nov 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.