Event: Seven Cs

PDF Excel

Opponent	Rating	Result
Leslie J Fancourt	0	½ - ½
S Ali Arshad	0	0 - 1
Joseph P Alcock	0	½ - ½
Simon R Edwards	0	0 - 1
Richard Fitzpatrick	0	0 - 1

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

-240 = (0 + 400 * (0 - 3)) / 5)