Event: Club Championship

PDF Excel

Opponent	Rating	Result
Mike R Stokes	0	0 - 1
Brian H Coop	0	½ - ½
E Gordon Marks	0	0 - 1
Jonathan Round	0	0 - 0
Mate Ther	0	0 - 1

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

-300 = (0 + 400 * (0 - 3)) / 4)