This page explains how Jong Il Lee (USATT# 97401)'s rating went from 2005 to 2003 at the Spttc Saturday Night League event from 5 Oct 2019. 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.