Event: Div1

PDF Excel

Opponent	Rating	Result
Sohrab Panday	164	0 - 1
Janos J Wagenbach	138	½ - ½
Andrew J Mort	158	½ - ½

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

20 = (460 + 400 * (0 - 1)) / 3)