This page explains how Cesar T. Serna (USATT# 2316)'s rating went from 2144 to 2120 at the Texas Wesleyan University Spri held on - 24 Apr 2004. 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.