Event: MCA Division 3

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Opponent Rating Result
Paul Stanley 0 1 - 0
Joe W Butterworth 1605 1 - 0
performance = (sum(opponents ratings) + 400(wins-losses)) / games

1203 = (1605 + 400 * (2 - 0)) / 2)

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Opponent Rating Result
E Dave Williams 2000 0 - 1
performance = (sum(opponents ratings) + 400(wins-losses)) / games

1600 = (2000 + 400 * (0 - 1)) / 1)