Event: U9 swiss

PDF Excel

Opponent	Rating	Result
Alexander Yau	614	1 - 0
Richard Zhao	624	1 - 0
Lewis Lawrence	758	0 - 1
Jeremy Gu	749	0 - 1
Samuel Jones	890	0 - 1

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

647 = (3635 + 400 * (2 - 3)) / 5)