This page explains how Frank Valliant (USATT# 16295)'s rating went from 1647 to 1624 at the Lakeland Table Tennis League event from 20 Feb 2005. 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.