This page explains how Artur Kurek (USATT# 76969)'s rating went from 2236 to 2234 at the Windy City Open held on - 17 May 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.