Event: Harrogate Evening League 2022 season

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Opponent Rating Result
Peter Gregory 0 1 - 0
Robert Dennington 0 0 - 1
Eli Maunder 1465 0 - 1
performance = (sum(opponents ratings) + 400(wins-losses)) / games

355 = (1465 + 400 * (1 - 2)) / 3)

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