This page explains how Michael McRitchie (USATT# 86923)'s rating went from 849 to 819 at the Fremont Table Tennis Academy League event from 1 Feb 2014. 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.