This page explains how Chebu Herrick (USATT# 74421)'s rating went from 886 to 871 at the 1st Annual Gold Country Open held on - 11 Oct 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.