Event: Division Three

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Opponent Rating Result
Alex Leggat 122 ½ - ½
Kenneth W Parkin 105 1 - 0
Simon Jones 98 1 - 0
Kenneth W Parkin 105 1 - 0
performance = (sum(opponents ratings) + 400(wins-losses)) / games

408 = (430 + 400 * (3 - 0)) / 4)

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