Event: NSDCA U1300 League

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Opponent Rating Result
Warren Porter 750 1 - 0
performance = (sum(opponents ratings) + 400(wins-losses)) / games

1150 = (750 + 400 * (1 - 0)) / 1)

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Opponent Rating Result
Gerald Parton 1158 0 - 1
performance = (sum(opponents ratings) + 400(wins-losses)) / games

758 = (1158 + 400 * (0 - 1)) / 1)