Event: St Albans Qualifier

Opponent Rating Result
Roy Zhou 0 1 - 0
TaoHai Khan 1456 0 - 1
Alex Vleju 1146 0 - 1
performance = (sum(opponents ratings) + 400(wins-losses)) / games

734 = (2602 + 400 * (1 - 2)) / 3)

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