Event: Worcestershire Rapidplay League

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Opponent Rating Result
Brandon Wilkes 1648 ½ - ½
David Smith 1744 ½ - ½
Brandon Wilkes 1648 1 - 0
David Smith 1744 1 - 0
performance = (sum(opponents ratings) + 400(wins-losses)) / games

1896 = (6784 + 400 * (2 - 0)) / 4)

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