This page explains how Bogdan Plugowski (USATT# 69537)'s rating went from 2057 to 2083 at the Schaumburg November Open held on - 10 Nov 2007. 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.