Event: Calderdale 30

PDF Excel

Opponent	Rating	Result
David C Wedge	0	0 - 1
David Shapland	0	1 - 0
John Nicholson	0	1 - 0
Karim Khan	0	0 - 1

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

0 = (0 + 400 * (2 - 2)) / 4)