Event: 4th Cornwall Spring Open

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Opponent Rating Result
John E Curtis 2016 ½ - ½
Markus Lipinsky 1740 0 - 1
David P Littlejohns 1980 ½ - ½
performance = (sum(opponents ratings) + 400(wins-losses)) / games

1779 = (5736 + 400 * (0 - 1)) / 3)

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