Event: Hepolite (Rapidplay)

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Opponent Rating Result
Dave Young 1219 1 - 0
Dave Young 1219 0 - 1
Simon Jones 1249 1 - 0
Simon Jones 1249 1 - 0
performance = (sum(opponents ratings) + 400(wins-losses)) / games

1434 = (4936 + 400 * (3 - 1)) / 4)

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