This page explains how William Mayweather (USATT# 201518)'s rating went from 1173 to 1172 at the Princeton Pong Leagues event from 9 Jan 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.