This page explains how Merrill Newren (USATT# 6710)'s rating went from 1184 to 1117 at the Huntsman World Senior Games held on - 8 Oct 2009. 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.