Event: IM Brown Shield

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Opponent Rating Result
Andrew Birtwhistle 1793 1 - 0
Chris Jardine 1834 1 - 0
Peter Shaw 2087 0 - 1
performance = (sum(opponents ratings) + 400(wins-losses)) / games

2038 = (5714 + 400 * (2 - 1)) / 3)

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