This page explains how Jiwook Choi (USATT# 279227)'s rating went from 2470 to 2472 at the Korean Friendship Challenge held on 4 Nov 2023 - 4 Nov 2023. 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.