This page explains how Faith Hu (USATT# 84828)'s rating went from 1929 to 1921 at the Princeton Pong Leagues event from 21 Mar 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.