This page explains how Cindi Wilson (USATT# 5047)'s rating went from 1609 to 1575 at the Western Open on the No America held on - 6 Oct 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.