Event: Woodhouse Cup

PDF Excel

Opponent	Rating	Result
Brian H Coop	1875	0 - 1
Paul Butterworth	1827	0 - 1
Ewen Miller	1844	1 - 0

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

1715 = (5546 + 400 * (1 - 2)) / 3)