This page explains how Mike Greffen (USATT# 213144)'s rating went from 761 to 769 at the Pong Planet Friday Night, Tuesday Night, And Saturday Leagues event from 28 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.