This page explains how Nghia Nguyen (USATT# 72425)'s rating went from 2372 to 2327 at the 2006 SoCal Open held on - 8 Oct 2006. 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.