This page explains how Robert Hershey (USATT# 70184)'s rating went from 1948 to 1930 at the Austin Table Tennis League event from 30 Jun 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.