This page explains how Hugh Owen (USATT# 7591)'s rating went from 986 to 985 at the SOAR Open Southern Arizona TTT held on - 19 Nov 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.