Event: Weymouth U1850 2023

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Opponent Rating Result
Paul D Doherty 1769 0 - 1
Derek F Edwards 1694 0 - 1
Florence Spirling 1687 0 - 1
Timothy M Jones 1722 ½ - ½
performance = (sum(opponents ratings) + 400(wins-losses)) / games

1418 = (6872 + 400 * (0 - 3)) / 4)

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