Event: Autumn Rapid

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Opponent Rating Result
John Grant 1451 0 - 1
Peter Turner 1329 0 - 1
Pradeep Shankar 1319 0 - 1
Stefan Winman 1275 0 - 1
performance = (sum(opponents ratings) + 400(wins-losses)) / games

944 = (5374 + 400 * (0 - 4)) / 4)

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