Event: SCCU County Championship: u1450

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Opponent	Rating	Result
Alin Popa	1419	1 - 0
S David Wray	1429	½ - ½
Sean Sussex	1409	1 - 0

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

1686 = (4257 + 400 * (2 - 0)) / 3)