This page explains how Jacob Lee (USATT# 215212)'s rating went from 1891 to 1887 at the 2020 Princeton Pong November Open held on 7 Nov 2020 - 8 Nov 2020. 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.