Event: Autumn Rapid

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Opponent Rating Result
Peter J Leary 1703 0 - 1
David Gaskell 1136 0 - 1
Aryan Shankar 1264 1 - 0
John Grant 1451 0 - 1
performance = (sum(opponents ratings) + 400(wins-losses)) / games

1189 = (5554 + 400 * (1 - 3)) / 4)

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