This page explains how Matthew Mao (USATT# 33227)'s rating went from n/a to 980 at the Killerspin Halloween Round Gob held on - 31 Oct 2004. 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.