Event: Division One

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Opponent Rating Result
Tony Preece 1887 ½ - ½
Dave M Davies 1720 ½ - ½
David Hulme 1861 ½ - ½
performance = (sum(opponents ratings) + 400(wins-losses)) / games

1823 = (5468 + 400 * (0 - 0)) / 3)

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