Event: Club Championship

PDF Excel

Opponent	Rating	Result
Daniel Meredith	0	0 - 1
John Foo	0	0 - 1
Paul W Jones	0	0 - 1
Philip N Mander	0

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

-400 = (0 + 400 * (0 - 3)) / 3)