This page explains how Eduardo Gonzalez (USATT# 83273)'s rating went from 1930 to 1919 at the Austin Table Tennis League event from 21 Jan 2012. 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.