Event: U9 swiss

PDF Excel

Opponent	Rating	Result
Samuel Jones	0	0 - 1
Severyn Pidkuyko	0	0 - 1
Vidur Kanodia	0	0 - 1
Roshen Bhimjee	0	0 - 1
Daniel Holmes	0	0 - 1

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

-400 = (0 + 400 * (0 - 5)) / 5)