This page explains how Mark Steinhauser (USATT# 53022)'s rating went from 1247 to 1246 at the Chicago Table Tennis League Week 9 held on 5 Mar 2017 - 11 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.