This page explains how Ran Chen (USATT# 202804)'s rating went from 972 to 930 at the Pong Planet Friday Night, Tuesday Night, And Saturday Leagues event from 18 Jul 2017. 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.