This page explains how Aaron Yuan (USATT# 230221)'s rating went from 1521 to 1519 at the NJTTC Tuesday V League event from 9 Nov 2021. 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.