This page explains how William Scharbrough (USATT# 83295)'s rating went from 1218 to 1207 at the 2010 Holiday Open Giant RR held on - 5 Dec 2010. 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.