This page explains how Bradley Robbins (USATT# 92461)'s rating went from 612 to 661 at the NASHUA TABLE TENNIS CLUB event from 15 Nov 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.