Event: 4th Cornwall Spring Major

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Opponent Rating Result
Percy TP Gill 1710 ½ - ½
Ajna Fern 1646 1 - 0
James H Galloway 1588 1 - 0
David J Jenkins 1794 1 - 0
performance = (sum(opponents ratings) + 400(wins-losses)) / games

1985 = (6738 + 400 * (3 - 0)) / 4)

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