This page explains how Geoffrey Cheng (USATT# 91967)'s rating went from 2230 to 2230 at the NJTTC Thursday Adv League event from 26 Jan 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.