Event: SCCU County Championship: u2050

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Opponent	Rating	Result
Chris JG Wright	1976	½ - ½
Greg J Breed	1922	½ - ½
Andrew C Waters	1870	0 - 1

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

1789 = (5768 + 400 * (0 - 1)) / 3)