This page explains how Alec Petty (USATT# 1175566)'s rating went from 1533 to 1504 at the San Antonio Butterfly Pre Summer Open held on 25 May 2024 - 25 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.