Event: Division 3

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Opponent Rating Result
Adrian Arthur 1301 0 - 1
Nick Hill 1151 0 - 1
Robert Dennington 1648 0 - 1
Andrew Walker 1415 0 - 1
performance = (sum(opponents ratings) + 400(wins-losses)) / games

979 = (5515 + 400 * (0 - 4)) / 4)

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