Event: 1st Cornwall Autumn U1975 2022

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Opponent Rating Result
Ian Bush 1916 0 - 1
Raymond J Gamble 1801 ½ - ½
Ian M George 1945 1 - 0
Percy TP Gill 1758 ½ - ½
performance = (sum(opponents ratings) + 400(wins-losses)) / games

1855 = (7420 + 400 * (1 - 1)) / 4)

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