This page explains how Amer M. Shaw (USATT# 5954)'s rating went from 1917 to 1891 at the 2005 Indy Giant RR held on - 11 Jun 2005. 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.