This page explains how Anton Berman (USATT# 81904)'s rating went from 1612 to 1560 at the Bloomington Competition and Elite League event from 30 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.