Event: DHCC Late May 2023 Rapidplay

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Opponent Rating Result
David Watson 0 0 - 1
Paul Davies 0 1 - 0
Josh Stubbs 0 0 - 1
Craig Chatterton 1650 0 - 1
Mohammed Arshid 0 0 - 1
performance = (sum(opponents ratings) + 400(wins-losses)) / games

90 = (1650 + 400 * (1 - 4)) / 5)

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