Event: Division 2

PDF Excel

Opponent	Rating	Result
Geoff Laurence	149	½ - ½
Alan M Paling	159	½ - ½
Glyn D Valentine	145	1 - 0

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

284 = (453 + 400 * (1 - 0)) / 3)