Event: Hepolite (Rapidplay)

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Opponent Rating Result
Simon Jones 1329 0 - 1
Simon Jones 1329 1 - 0
John K Holliday 1606 0 - 1
John K Holliday 1606 0 - 1
performance = (sum(opponents ratings) + 400(wins-losses)) / games

1268 = (5870 + 400 * (1 - 3)) / 4)

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