Event: Ivan Gromov Online Schools Chess League

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Opponent	Rating	Result
Nina P Pert	1851	0 - 1
Luca Buanne	1910	1 - 0
Seny D Denisov	1509	1 - 0
Shivam Agrawal	1878	0(def) - 1
Oscar Lawson	0	1 - 0
Gavin Tsui	1476	1 - 0
Ronik Popli	1159	1 - 0
Nadhmi Auchi	1919	1 - 0
Thomas George Thompson	1168	1 - 0
Sai Vaddhireddy	1619	0 - 1

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

1623 = (12611 + 400 * (7 - 2)) / 9)