Event: Welcome Back Rapidplay

PDF Excel

Opponent	Rating	Result
Ian A Clack	1562	0 - 1
T Giles Stanton	1496	0 - 1
Eddy Porton	916	0 - 1
AS Whitten	1646	0 - 1

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

1005 = (5620 + 400 * (0 - 4)) / 4)