Event: Graded Club Games

PDF Excel

Opponent	Rating	Result
Wieslaw Stanicki	85	1 - 0
David L Weston	123	1 - 0
Roy A Ludlow	131	0 - 1

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

246 = (339 + 400 * (2 - 1)) / 3)