Event: Derby & District Division 3

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Opponent Rating Result
Dean M Hartley 1854 0 - 1
performance = (sum(opponents ratings) + 400(wins-losses)) / games

1454 = (1854 + 400 * (0 - 1)) / 1)

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Opponent Rating Result
Lee Garratt 1363 1 - 0
performance = (sum(opponents ratings) + 400(wins-losses)) / games

1763 = (1363 + 400 * (1 - 0)) / 1)