This page explains how Felix Dubinsky (USATT# 28275)'s rating went from 1907 to 1869 at the Princeton Pong Leagues event from 1 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.