This page explains how Guenther Schroeder (USATT# 9813)'s rating went from 1675 to 1683 at the Davison March Open held on - 30 Mar 2002. 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.