This page explains how Robert Ertel (USATT# 5647)'s rating went from 1227 to 1237 at the Princeton Pong Leagues event from 4 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.