This page explains how Andrew Jiaqi Chen (USATT# 220237)'s rating went from 1959 to 2007 at the ASLT Weekend September 2023 held on 9 Sep 2023 - 9 Sep 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.