Event: Hillingdon Div X

PDF Excel

Opponent	Rating	Result
Maya Saujani	0	0 - 1
Riyan Patel-Davis	0	1 - 0
Arjun Binny	835	1 - 0

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

412 = (835 + 400 * (2 - 1)) / 3)