Event: 3rd Cornwall Spring Open

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Opponent Rating Result
David P Littlejohns 2000 ½ - ½
William Adaway 1997 ½ - ½
Kieran Macphail 1801 0 - 1
Paul A Aston 1879 ½ - ½
performance = (sum(opponents ratings) + 400(wins-losses)) / games

1819 = (7677 + 400 * (0 - 1)) / 4)

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