Event: 1st Cornwall Autumn U1750 2022

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Opponent Rating Result
Alastair JD Marston 1720 1 - 0
Graham C Shepherd 1652 ½ - ½
Ian R Rescorla 1632 ½ - ½
Mike P Maher 1676 0 - 1
performance = (sum(opponents ratings) + 400(wins-losses)) / games

1670 = (6680 + 400 * (1 - 1)) / 4)

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