This page explains how Chuck McCann (USATT# 20986)'s rating went from 1695 to 1665 at the 2005 Millcreek Open held on - 6 Nov 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.