This page explains how Neil Grey (USATT# 6269)'s rating went from 1176 to 1130 at the Robopong 10 January BTTO held on - 10 Jan 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.