This page explains how Dinh Nguyen (USATT# 13504)'s rating went from 2101 to 2121 at the Meiklejohn National Seniors Op held on - 5 Jun 2005. 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.