This page explains how Robert Treitel (USATT# 83210)'s rating went from 1702 to 1647 at the NASHUA TABLE TENNIS CLUB event from 21 Jan 2016. 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.