Event: Open

PDF Excel

Opponent	Rating	Result
John H Hodgson	2091	1 - 0
Chris N Ross	2203	0 - 1
Nicholas W Ivell	2224	½ - ½

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

2173 = (6518 + 400 * (1 - 1)) / 3)