This page explains how Aria Shi (USATT# 222815)'s rating went from 1264 to 1225 at the Princeton Pong Leagues event from 12 Nov 2019. 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.