This page explains how Khoa Dinh Nguyen (USATT# 8683)'s rating went from 2553 to 2554 at the 2008 Aliana Open Championships held on - 10 Aug 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.