This page explains how Khoa Dinh Nguyen (USATT# 8683)'s rating went from 2401 to 2407 at the Bay Area Table Tennis Federation event from 24 Oct 2009. 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.