This page explains how Rex Harris (USATT# 45842)'s rating went from 1561 to 1563 at the Bloomington Competition and Elite League event from 18 Jan 2012. 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.