This page explains how Samer Chaar (USATT# 22570)'s rating went from 1969 to 1929 at the Texas Wesleyan Open held on - 3 Mar 2007. 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.