This page explains how Brian Doherty (USATT# 81487)'s rating went from 1401 to 1351 at the Austin Table Tennis League event from 21 Sep 2013. 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.