Event: IM Brown

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Opponent Rating Result
Howard Wood 0 ½ - ½
Jeff Dutton 0 0 - 1
R Malcolm Hara 0 0 - 1
Daniel Meredith 0 0 - 1
Neil Griffiths 0 0 - 1
performance = (sum(opponents ratings) + 400(wins-losses)) / games

-320 = (0 + 400 * (0 - 4)) / 5)

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