Event: ED Walker Shield

PDF Excel

Opponent	Rating	Result
Richard Kuby	1446	0 - 1
Carl Stephens	1598	0(def) - 1
Akmal Hallman	1985	0(def) - 1

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

1046 = (1446 + 400 * (0 - 1)) / 1)