Event: Hillingdon Div 1

PDF Excel

Opponent	Rating	Result
Cherag Irani	1744	0 - 1
Surjit S Dhemrait	1585	1 - 0

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

1665 = (3329 + 400 * (1 - 1)) / 2)