Event: Club Championship

PDF Excel

Opponent	Rating	Result
Mate Ther	0	0 - 1
Mike R Stokes	0	0 - 1
David Harasym	0	1 - 0
Brian H Coop	0	0 - 1
Jonathan Round	0	0 - 0

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

-200 = (0 + 400 * (1 - 3)) / 4)