This page explains how Robert Schwager (USATT# 25991)'s rating went from 989 to 972 at the Stiga Cary Fall Open held on - 14 Sep 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.