This page explains how George Sanguinetti (USATT# 9713)'s rating went from 1647 to 1643 at the Pong Planet Friday Night, Tuesday Night, And Saturday Leagues event from 18 Apr 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.