This page explains how David Chow (USATT# 27027)'s rating went from 1935 to 1902 at the 2007 Junior Olympics/Junior Na held on - 29 Jul 2007. 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.