Event: Division 2

PDF Excel

Opponent	Rating	Result
Michael WA Hoare	1609	½ - ½
David J Friend	1609	0 - 1
Sam Duffield	1235	0 - 1

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

1218 = (4453 + 400 * (0 - 2)) / 3)