This page explains how Richard E Rowland (USATT# 70415)'s rating went from 1457 to 1450 at the Statesville Table Tennis League event from 9 Jul 2012. 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.