This page explains how David Edwards (USATT# 33602)'s rating went from 1451 to 1362 at the Rose City Open 2008 held on - 15 Jun 2008. 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.