Event: SCCU County Championship: Open

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Opponent	Rating	Result
Philip M Stimpson	1944	½ - ½
John N Sugden	2058	½ - ½
Chris Lake	1840	½ - ½

performance = (sum(opponents ratings) + 400(wins-losses)) / games

1947 = (5842 + 400 * (0 - 0)) / 3)