Event: Online Division 1

PDF Excel

Opponent	Rating	Result
Robert Tinton	0	0 - 1
Robert Tinton	0	0 - 1
David Tuke	0	0 - 1
Paul N Fearnhead	0	1 - 0
Ben Fearnhead	0	½ - ½

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

-160 = (0 + 400 * (1 - 3)) / 5)