This page explains how Chau Kim Tran (USATT# 1172679)'s rating went from n/a to 1361 at the 2021 Arizona Open & Giant Round Robin held on 25 Sep 2021 - 26 Sep 2021. 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.