This page explains how Chanrith Leang (USATT# 230443)'s rating went from 1509 to 1509 at the 2023 USATT Pacific Regional Championships held on 19 May 2023 - 20 May 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.