This page explains how Patrick Kin Luen Lui (USATT# 7924)'s rating went from 1923 to 1904 at the Baltimore Table Tennis League event from 23 Jun 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.