This page explains how Andrew Jiaqi Chen (USATT# 220237)'s rating went from 1898 to 1883 at the ASLT League event from 27 Oct 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.