This page explains how John Hsu (USATT# 33903)'s rating went from 2037 to 2029 at the MDTTC Saturday League event from 27 Jun 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.