Event: Division 3

PDF Excel

Opponent	Rating	Result
Jason Crabtree	0	0 - 1
Phil Drury	1279	0 - 1
Geoff Briggs	1363	0 - 1

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

481 = (2642 + 400 * (0 - 3)) / 3)