Alexander Costello
San Diego
क्लब
Chess.com Legends Club
27,13,847 सदस्य
Chess.com Verified Titled Players
10,377 सदस्य
Olympic Esports Series - Trials
8,730 सदस्य
PRO Chess League
21,079 सदस्य
California Golden Bears Chess Club
1,099 सदस्य