This page explains how Neil Grey (USATT# 6269)'s rating went from 1105 to 1104 at the RoboPong 2011 February BTTO held on - 6 Feb 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.