This page explains how Paul Nguyen (USATT# 33336)'s rating went from 1637 to 1611 at the Northridge Open held on - 17 Feb 2008. 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.