Event: Kelham Island Individual

PDF Excel

Opponent	Rating	Result
Geoff Frost	0	0 - 1
Samuel Rathjen	0	0 - 1
Jamie Woodhouse	0	0 - 1
Shane M C Williams	0	0 - 1
Ian Barker	0	0 - 1

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

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