Event: League Division 1

PDF Excel

Opponent	Rating	Result
Mike R Stokes	2016	0 - 1
John Hall	2002	½ - ½
Lackson Mzizi	1897	1 - 0
Sam Jacklin	1924	0 - 1

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

1860 = (7839 + 400 * (1 - 2)) / 4)