This page explains how John H H Nguyen (USATT# 84377)'s rating went from 1988 to 2023 at the 2022 US Nationals - Texas State Qualification Tournament held on 18 Mar 2022 - 20 Mar 2022. 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.