Event: Division 3

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Opponent Rating Result
Lawrence Rhodes 137 0 - 1
Robert Smart 86 1 - 0
Brian Stockham 117 0 - 1
Robert Wall 121 0 - 1
performance = (sum(opponents ratings) + 400(wins-losses)) / games

-85 = (461 + 400 * (1 - 3)) / 4)

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