This page explains how George Sanguinetti (USATT# 9713)'s rating went from 2035 to 1967 at the 2nd AMDT San Francisco Open Table Tennis Championships held on - 5 Sep 2011. 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.