This page explains how Willem Vandermeulen (USATT# 283319)'s rating went from 1144 to 1151 at the Mohawk Valley TTC League event from 1 Jul 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.