Event: Harrogate Evening League 2024-25

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Opponent Rating Result
Nathaniel Mackenzie 1313 1 - 0
Pete Redmond 1924 0 - 1
Robert Dennington 1615 0 - 1
performance = (sum(opponents ratings) + 400(wins-losses)) / games

1484 = (4852 + 400 * (1 - 2)) / 3)

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