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Event: Hull CC Championship

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Opponent Rating Result
John Scotter 0 1 - 0
John W Atkinson 1968 0 - 1
Philip A Wood 1533 0 - 1
Stuart Sharp 1200 0 - 1
Ewan Black 1200 0 - 1
performance = (sum(opponents ratings) + 400(wins-losses)) / games

940 = (5901 + 400 * (1 - 4)) / 5)

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