This page explains how Bradley Robbins (USATT# 92461)'s rating went from 635 to 633 at the NASHUA TABLE TENNIS CLUB event from 17 Jan 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.