This page explains how Jeffrey Kwan (USATT# 229415)'s rating went from 123 to 102 at the Pong Planet Friday Night, Tuesday Night, And Saturday Leagues event from 4 Sep 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.