This page explains how Hyun Ook Ryu (USATT# 88326)'s rating went from 1651 to 1622 at the Spttc Saturday Night League event from 26 May 2018. 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.