Event: IM Brown

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Opponent Rating Result
Chris J Terrington 0 1 - 0
Paul RH Clarke 0 0 - 1
Marcus Matusiak 0 1 - 0
Mark Waterhouse 0 ½ - ½
performance = (sum(opponents ratings) + 400(wins-losses)) / games

100 = (0 + 400 * (2 - 1)) / 4)

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