Costello, Colin1Games0Wins0Draws1Losses0%ScorePeak rating—Latest rating—First seenOct 9, 2023Last seenOct 9, 2023Recent gamesDateWhiteResultBlackEventOpeningOct 9, 2023Mueller1–0Costello31. offene S?chsische Senioren-EinzelmeisterschaftIndian Defense: London System
