This page explains how Alec Petty (USATT# 1175566)'s rating went from 1494 to 1533 at the 2024 Austin Summer Giant Round Robin held on 18 May 2024 - 18 May 2024. 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.