This page explains how Dick Peregrine (USATT# 20923)'s rating went from 1668 to 1675 at the Schaumburg TTC 14th Anniversar held on - 25 Mar 2000. 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.