This page explains how Osmani Castellanos (USATT# 279522)'s rating went from 1334 to 1347 at the SAN ANTONIO APRIL BUTTERFLY OPEN held on 13 Apr 2024 - 13 Apr 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.