Event: Calderdale 30 23/24

PDF Excel

Opponent	Rating	Result
Phil Cook	0	0 - 1
Cobus Daneel	0	½ - ½
John M Morgan	0	0 - 1
Michael Ward	0	0 - 1
David Shapland	0	0 - 1

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

-320 = (0 + 400 * (0 - 4)) / 5)