Event: SCCU County Championship: Open

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Opponent	Rating	Result
David S Tucker	2095	½ - ½
Chris Lake	1825	0 - 1
Alan H Palmer	1795	1 - 0
Shahvez Ali	1773	0 - 1
Jim A Johnson	2043	0 - 1

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

1746 = (9531 + 400 * (1 - 3)) / 5)