This page explains how Brian Tsang (USATT# 79859)'s rating went from 1390 to 1391 at the Texas Wesleyan Open held on - 6 Mar 2011. 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.