Event: SCCU County Championship: u1850

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Opponent	Rating	Result
David Shalom	1688	½ - ½
Peter A Lawrence	1623	0 - 1
Evan Beachley	1635	½ - ½

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

1515 = (4946 + 400 * (0 - 1)) / 3)