Alexander Costello
San Diego
الأندية
Chess.com Legends Club
٢٬٤٦٦٬٨٣٣ عضو
Chess.com Verified Titled Players
١٠٬٠٤١ عضو
Olympic Esports Series - Trials
٨٬٧٨٦ عضو
PRO Chess League
٢٠٬٩٩٥ عضو
California Golden Bears Chess Club
١٬٠٨٧ عضو