Event: 400 Max

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Opponent Rating Result
Ian M Truscott 112 0 - 1
Ian M Truscott 112 0 - 1
Simon A Killarney 114 1 - 0
performance = (sum(opponents ratings) + 400(wins-losses)) / games

-21 = (338 + 400 * (1 - 2)) / 3)

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