This page explains how Haihong Zhu (USATT# 274612)'s rating went from 1654 to 1648 at the NJTTC Tuesday V League event from 28 Jun 2022. 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.