Event: Altrincham

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Opponent Rating Result
Samuel M Burchett 1345 0 - 1
Mahin Rughani 1811 0 - 1
Radeef Khan 0 0 - 1
performance = (sum(opponents ratings) + 400(wins-losses)) / games

652 = (3156 + 400 * (0 - 3)) / 3)

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