This page explains how Heather Hua Wang (USATT# 5935)'s rating went from 2091 to 2081 at the MDTTC Saturday League event from 23 Dec 2012. 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.