This page explains how John Tu (USATT# 77329)'s rating went from 1839 to 1834 at the Texas Wesleyan Open held on - 24 Jul 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.