Event: IM Brown

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Opponent Rating Result
Jason Boutsias 1745 0 - 1
Richard O Callis 1674 1 - 0
Stephen Kenneth Brittain 0 0 - 1
Oliver Graham 1869 0 - 1
performance = (sum(opponents ratings) + 400(wins-losses)) / games

1122 = (5288 + 400 * (1 - 3)) / 4)

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