Event: Welcome Back Rapidplay

PDF Excel

Opponent	Rating	Result
AS Whitten	1646	0 - 1
Daniel Downie	1501	0 - 1
Mark Crane	851	1 - 0

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

1199 = (3998 + 400 * (1 - 2)) / 3)