This page explains how John Mendenhall (USATT# 222125)'s rating went from n/a to 683 at the Pong Club - South Austin event from 8 Feb 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.