Event: Weymouth U1850 2023

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Opponent Rating Result
Ed Craddock 1768 0 - 1
Dave J Williams 1661 ½ - ½
Florence Spirling 1687 ½ - ½
Nicholas B Stout 1698 0 - 1
performance = (sum(opponents ratings) + 400(wins-losses)) / games

1504 = (6814 + 400 * (0 - 2)) / 4)

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