Event: Open Division 1 B

PDF Excel

Opponent	Rating	Result
David J Walker	0	1 - 0
Mark Josse	0	0 - 1
Dominic Bartram	0	0 - 1
Henry G Duncanson	0	0 - 1
John H Hodgson	0	½ - ½

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

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