This page explains how Michael Diekema (USATT# 202300)'s rating went from 621 to 732 at the 2017 Arnold Table Tennis Challenge held on 3 Mar 2017 - 5 Mar 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.