This page explains how Amer M. Shaw (USATT# 5954)'s rating went from 1885 to 1841 at the Kentuckiana League event from 21 Jun 2012. 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.