This page explains how Brigita Dubrindiene (USATT# 83166)'s rating went from 1821 to 1793 at the Morton Grove Winter Open held on - 11 Dec 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.