Event: County Championship

PDF Excel

Opponent	Rating	Result
Nick J London	1694	1 - 0
Dragoljub Sudar	1906	1 - 0
Michael H Barnes	2105	0 - 1
Shabir Okhai	2248	½ - ½

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

2088 = (7953 + 400 * (2 - 1)) / 4)