This page explains how Shaojie Robert Chen (USATT# 1176545)'s rating went from 1829 to 1820 at the ASLT League event from 5 Jan 2024. 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.