This page explains how Richard E Rowland (USATT# 70415)'s rating went from 1492 to 1485 at the Mooresville Table Tennis League event from 3 May 2018. 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.