Event: League 1

PDF Excel

Opponent	Rating	Result
David Booth	0	0 - 1
John Kerrane	0	0 - 1
Cobus Daneel	0	0 - 1
Pete Leonard	0	0 - 1
Cobus Daneel	0	0 - 1
Alex Burke	0	1 - 0

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

-267 = (0 + 400 * (1 - 5)) / 6)