Event: Harrogate Evening League 2022 season

Opponent Rating Result
Chris Tatham 123 0 - 1
Charlie Wainwright 1504 0 - 1
Richard Tate 1561 1 - 0
Christopher Bigsby 1694 0 - 1
William Boothman 0 0 - 1
Andrew B Mata 1922 0 - 1
performance = (sum(opponents ratings) + 400(wins-losses)) / games

867 = (6804 + 400 * (1 - 5)) / 6)

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