This page explains how George Sanguinetti (USATT# 9713)'s rating went from 1967 to 1929 at the 3rd AMDT San Francisco Open Table Tennis Chanpionships held on - 11 Mar 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.