This page explains how Amir Gur (USATT# 266372)'s rating went from 260 to 215 at the Pong Planet Friday Night, Tuesday Night, And Saturday Leagues event from 5 Nov 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.