Event: IM Brown

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Opponent Rating Result
John Tate 1500 1 - 0
Jim R Postill 1472 1 - 0
Andrew Donegan 1372 1 - 0
Dave Gray 1697 ½ - ½
Richard Libertini 1460 1 - 0
Lucas Gailbraith 0 0 - 1
Tom Key 1592 0 - 1
performance = (sum(opponents ratings) + 400(wins-losses)) / games

1413 = (9093 + 400 * (4 - 2)) / 7)

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