This page explains how Gus Richards (USATT# 22522)'s rating went from 1291 to 1309 at the 2010 Austin Winter Open held on - 20 Feb 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.