This page explains how Stephen Clyde (USATT# 69559)'s rating went from 833 to 811 at the 2005 IN State Open Championshi held on - 14 Aug 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.