This page explains how Cesar T. Serna (USATT# 2316)'s rating went from 1964 to 1939 at the Austin Table Tennis League event from 5 Aug 2015. 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.