This page explains how Chi Wai An (USATT# 1181282)'s rating went from 1343 to 1343 at the 2023 S & T Transport Open held on 21 Oct 2023 - 22 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.