This page explains how Patrick Kin Luen Lui (USATT# 7924)'s rating went from 1915 to 1905 at the Baltimore Table Tennis League event from 10 May 2004. 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.