This page explains how Andy Fang (USATT# 33012)'s rating went from 1672 to 1639 at the Rochester, NY Giant RR held on - 27 Feb 2005. 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.