Event: SCCU Under 14 / U1700 league

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Opponent	Rating	Result
Luke Chapman	1488	1 - 0
Jai Bhatia	1243	½ - ½
Yichen Zhang	1502	1 - 0
Ryan Martin	1424	1 - 0

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

1714 = (5657 + 400 * (3 - 0)) / 4)