This page explains how Rex Harris (USATT# 45842)'s rating went from 1679 to 1579 at the Bloomington Competition and Elite League event from 16 Nov 2011. 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.