Event: 4th Cornwall Spring Major

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Opponent Rating Result
Lindsay P Aris 1778 0 - 1
Brendan O'Gorman 1729 0 - 1
Ian Renshaw 1535 1 - 0
Elliott Spencer 1564 ½ - ½
performance = (sum(opponents ratings) + 400(wins-losses)) / games

1552 = (6606 + 400 * (1 - 2)) / 4)

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