This page explains how Zehao Hu (USATT# 272631)'s rating went from 1813 to 1768 at the 888 League event from 19 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.