This page explains how Mark Johnson (USATT# 26863)'s rating went from 1653 to 1628 at the 2015 Fremont Table Tennis Academy Open held on - 30 May 2015. 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.