Event: Summer Max 560 Division

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Opponent Rating Result
John Mildenhall 165 0 - 1
Daniel M Lambourne 174 0 - 1
John Mildenhall 165 1 - 0
Daniel M Lambourne 174 ½ - ½
performance = (sum(opponents ratings) + 400(wins-losses)) / games

70 = (678 + 400 * (1 - 2)) / 4)

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