This page explains how Royce Zuniga (USATT# 86194)'s rating went from 1573 to 1572 at the OCTTA JUNE 2021 OPEN held on 19 Jun 2021 - 19 Jun 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.