This page explains how Duynh Hoang (USATT# 77331)'s rating went from 1435 to 1808 at the 2009 Aliana Open Championships held on - 9 Aug 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.