This page explains how Lily Yip (USATT# 53157)'s rating went from 2446 to 2441 at the 2nd Annual NYC 2004 Open held on - 27 Jun 2004. 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.