Event: Harrogate Evening League 2022 season

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Opponent Rating Result
Peter Rawcliffe 1737 0 - 1
performance = (sum(opponents ratings) + 400(wins-losses)) / games

1337 = (1737 + 400 * (0 - 1)) / 1)

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Opponent Rating Result
RAB (Bob) Maltby 1606 1 - 0
performance = (sum(opponents ratings) + 400(wins-losses)) / games

2006 = (1606 + 400 * (1 - 0)) / 1)