Event: 1st Cornwall Autumn U1975 2022

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Opponent Rating Result
Dave J Williams 1722 ½ - ½
Ian M George 1945 ½ - ½
William Adaway 1962 ½ - ½
Ian Bush 1916 0 - 1
performance = (sum(opponents ratings) + 400(wins-losses)) / games

1786 = (7545 + 400 * (0 - 1)) / 4)

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