This page explains how Ronald Kauffman (USATT# 78336)'s rating went from 1388 to 1386 at the Monroe Table Tennis Challenge League event from 11 Dec 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.