Event: SCCA Division 2

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Opponent	Rating	Result
Samuel Gaffney	1780	½ - ½
John Kent	1500	1 - 0
Chris Skirrow	1706	1 - 0

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

1929 = (4986 + 400 * (2 - 0)) / 3)