This page explains how Andrew Zhou (USATT# 202548)'s rating went from 1967 to 1958 at the ASLT Weekend February 2024 held on 17 Feb 2024 - 17 Feb 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.