Event: Club Championship

PDF Excel

Opponent	Rating	Result
Paul AG Dargan	0	0 - 1
Phil H Jackson	0	1 - 0
Steve Burnell	0	0 - 1
John S Clarke	0	½ - ½
Dennis A White	0	0 - 1

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

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