This page explains how Jong Il Lee (USATT# 97401)'s rating went from 1925 to 1897 at the 2017 SPITTC WA State Championship & September Open held on 16 Sep 2017 - 17 Sep 2017. 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.