This page explains how Aleksandr Zubarev (USATT# 221354)'s rating went from 1923 to 1889 at the Princeton Pong Leagues event from 12 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.