This page explains how Zhonghan Feng (USATT# 275644)'s rating went from 1684 to 1681 at the NJTTC Thursday Adv League event from 16 Mar 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.