Event: Wharfedale League 2023

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Opponent Rating Result
Charlie Wainwright 1515 1 - 0
Paul Butterworth 1782 0 - 1
performance = (sum(opponents ratings) + 400(wins-losses)) / games

1649 = (3297 + 400 * (1 - 1)) / 2)

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Opponent Rating Result
Dan Yoshino-Bunting 0 1 - 0
performance = (sum(opponents ratings) + 400(wins-losses)) / games

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