Event: Division 6

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Opponent Rating Result
Pete Anderson 0 0 - 1
Chris Spolton 1350 0 - 1
Ronald Watson 1404 1 - 0
Joe Andrews 1591 0 - 1
performance = (sum(opponents ratings) + 400(wins-losses)) / games

886 = (4345 + 400 * (1 - 3)) / 4)

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