Event: Autumn League

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Opponent Rating Result
David Horton 0 ½ - ½
Ian D Jenkins 1290 ½ - ½
Tom A Cleverley 1401 0 - 1
Robert Lacey 1158 0 - 1
performance = (sum(opponents ratings) + 400(wins-losses)) / games

762 = (3849 + 400 * (0 - 2)) / 4)

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