Event: IM Brown Shield

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Opponent Rating Result
Nicholas J Edwards 1952 0 - 1
Richard E Desmedt 1800 0 - 1
Chris R Tinker 1697 1 - 0
performance = (sum(opponents ratings) + 400(wins-losses)) / games

1683 = (5449 + 400 * (1 - 2)) / 3)

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