This page explains how Alex Pham (USATT# 26105)'s rating went from 1531 to 1497 at the Schaumburg RR Open held on - 21 Feb 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.