Event: Hillingdon Div 1

PDF Excel

Opponent	Rating	Result
Vinay Vekaria	1936	0 - 1
Antanas Zapolskis	2272	0 - 1

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

1704 = (4208 + 400 * (0 - 2)) / 2)