This page explains how Daniel Moon (USATT# 78855)'s rating went from 1924 to 1923 at the Trolley Car Table Tennis Club Philly Open December 2012 held on - 2 Dec 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.