This page explains how Stanley Wallen (USATT# 10898)'s rating went from 1794 to 1786 at the Kentuckiana League event from 22 Mar 2006. 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.