Event: 2nd Cornwall Autumn Major

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Opponent Rating Result
Alastair JD Marston 1669 ½ - ½
Michael P Freund 1627 ½ - ½
Megan E O'Brien 1825 1 - 0
David J Jenkins 1768 1 - 0
performance = (sum(opponents ratings) + 400(wins-losses)) / games

1922 = (6889 + 400 * (2 - 0)) / 4)

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