This page explains how Dongheon Lee (USATT# 281766)'s rating went from 2619 to 2560 at the 2024 ICC JOOLA Spring OPEN held on 2 Mar 2024 - 3 Mar 2024. 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.