This page explains how John Mc Dermott (USATT# 93518)'s rating went from 2282 to 2261 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.