This page explains how Zhangjie Hong (USATT# 1174555)'s rating went from 1660 to 1641 at the ICC - Advanced League event from 16 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.