This page explains how Tri H. H. Dinh (USATT# 49435)'s rating went from 2249 to 2240 at the Pan Am Trials held on - 3 Mar 2007. 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.