This page explains how Phong Nguyen (USATT# 98055)'s rating went from 2548 to 2541 at the Robo-Pong 2017 June Mary Prager In Memorium Open held on 23 Jun 2017 - 24 Jun 2017. 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.