October 7, 2025 - October 11, 2025
2025 Clutch Chess: The Legends
Joshua Daniel Ruiz Castillo is a Colombian chess Grandmaster. He was awarded the title of Grandmaster in 2019. Ruiz Castillo won the Colombian Chess Championship in 2014, becoming the youngest Colombian champion ever. Ruiz is currently a student and chess team member at the University of Texas, Dallas.