This page explains how Gene Chou (USATT# 230777)'s rating went from 1899 to 1878 at the Princeton Pong Leagues event from 8 Oct 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.