Event: DHCC Late May 2023 Rapidplay

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Opponent Rating Result
Geoffrey D Brown 1750 0 - 1
Joshua Tedder 0 0 - 1
John M Oughton 0 1 - 0
Andrew Nettleship 0 1 - 0
Robert Black 0 1 - 0
performance = (sum(opponents ratings) + 400(wins-losses)) / games

430 = (1750 + 400 * (3 - 2)) / 5)

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