This page explains how Megan Xie (USATT# 221530)'s rating went from 831 to 786 at the Princeton Pong Leagues event from 8 Dec 2018. 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.