Event: Division 3

PDF Excel

Opponent	Rating	Result
John A Harrison	167	0 - 1
Brian M Hayward	141	½ - ½
Michael J Nailard	119	½ - ½
Paul Kelman	127	½ - ½
Stephen G Wootton	127	½ - ½
Alberto Rodriguez	103	0 - 1
Keith W Roper	137	0 - 1

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

-40 = (921 + 400 * (0 - 3)) / 7)