This page explains how Ian Seidenfeld (USATT# 80503)'s rating went from 972 to 978 at the Bloomington Competition and Elite League event from 29 Feb 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.