This page explains how David Davallou (USATT# 95288)'s rating went from 1800 to 1770 at the Fremont Table Tennis Academy League event from 31 May 2014. 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.