Event: Division 1

PDF Excel

Opponent	Rating	Result
John H Hodgson	2040	0 - 1
Arunas Gedvilas	1870	0 - 1
Edgar Wilson	1945	½ - ½

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

1685 = (5855 + 400 * (0 - 2)) / 3)