This page explains how Moses Y. Lan (USATT# 33936)'s rating went from 1621 to 1603 at the Long Beach Table Tennis League event from 14 Oct 2006. 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.