Event: Five Counties Div 2

PDF Excel

Opponent	Rating	Result
Shahab Quraishi	0	1 - 0
Sam Arwas	0	1 - 0
William Phillips	0	1 - 0
Dhairye Gauri	0	1 - 0
Charlie J Ball	0	1 - 0

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

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