This page explains how Quyen Ton (USATT# 83367)'s rating went from 1838 to 1843 at the 2022 LA Open held on 10 Dec 2022 - 11 Dec 2022. 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.