This page explains how Tesilimi O. O. Iloh (USATT# 58954)'s rating went from 2080 to 2063 at the October Open held on - 28 Oct 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.