Event: Mini League

PDF Excel

Opponent	Rating	Result
Pete Sheppard	1216	0 - 1
Kenneth L Marsden	1394	1 - 0
Mariana Ferreira	1575	0 - 1

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

1262 = (4185 + 400 * (1 - 2)) / 3)