Event: Division 3

PDF Excel

Opponent	Rating	Result
Karol Grzybowski	146	½ - ½
Douglas J Barnett	136	½ - ½
Andrew Barker	123	½ - ½
William G Armstrong	139	½ - ½
Paul G Clifford	93	0 - 1
Andrew Barker	123	½ - ½
Hambel M Willow	138	0 - 1

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

14 = (898 + 400 * (0 - 2)) / 7)