Event: U1650R summer league

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Opponent	Rating	Result
Aaryan Patnam	1547	0 - 1
Stilianos Reci	1297	1 - 0
Jay Sharman	1565	1 - 0
Anthony Shafiq	1071	1 - 0
Shehab Alshehabi	1385	0 - 1
Aaryan Patnam	1547	0 - 1
Stilianos Reci	1297	0 - 1
Jay Sharman	1565	0 - 1
Anthony Shafiq	1071	1 - 0
Shehab Alshehabi	1385	0 - 1

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

1293 = (13730 + 400 * (4 - 6)) / 10)