This page explains how Carmel Barrau (USATT# 81564)'s rating went from 1177 to 1170 at the RoboPong November BTTC Open held on - 6 Nov 2010. 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.