Alexander Costello
San Diego
क्लब
Chess.com Legends Club
26,73,435 सदस्य
Chess.com Verified Titled Players
10,302 सदस्य
Olympic Esports Series - Trials
8,745 सदस्य
PRO Chess League
21,070 सदस्य
California Golden Bears Chess Club
1,090 सदस्य