Event: Ivan Gromov Online Schools Chess League

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Opponent	Rating	Result
Barnaby Wreford	1643	0 - 1
Evan Poon	1124	0 - 1
Dilsher Cheema	1007	1 - 0
Ronik Popli	1211	1 - 0
Evan Poon	1143	1 - 0

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

1306 = (6128 + 400 * (3 - 2)) / 5)