Event: SCCU County Championship: U1450

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Opponent	Rating	Result
Robert Twigg	1383	1 - 0
Michael J Smith	1263	½ - ½
Ziyad Ali	1250	1 - 0

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

1565 = (3896 + 400 * (2 - 0)) / 3)