Event: B&DCL Div 2

PDF Excel

Opponent	Rating	Result
Brian Curran	149	0 - 1
Phil Sorensen	133	½ - ½
Robert Halse	140	1 - 0
John Belinger	134	½ - ½
Michael Jackson	147	½ - ½
Michael Jackson	147	½ - ½
John Belinger	134	0 - 1
Adam R Ursell	138	½ - ½

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

90 = (1122 + 400 * (1 - 2)) / 8)