Event: Nottingham BTCC

PDF Excel

Opponent	Rating	Result
Kate Hurst	0	0 - 1
Ethan Wood	0	0 - 1
Anoop Singh	0	0 - 1
Ives Lau	0	0 - 1

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

-400 = (0 + 400 * (0 - 4)) / 4)