This page explains how Scott Kandell (USATT# 81500)'s rating went from 1931 to 1919 at the West Jersey Table Tennis Club League event from 20 Dec 2018. 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.