This page explains how Ali Abdelrazzaq (USATT# 79746)'s rating went from 2014 to 1993 at the 79th Annual Michigan Closed Table Tennis Championships held on - 24 Mar 2013. 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.