This page explains how Haihong Zhu (USATT# 274612)'s rating went from 1847 to 1824 at the NJTTC Tuesday V League event from 26 Dec 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.