This page explains how Amir Gur (USATT# 266372)'s rating went from 230 to 240 at the Pong Planet Friday Night, Tuesday Night, And Saturday Leagues event from 21 Jan 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.