Event: D&DCL Div 2

PDF Excel

Opponent	Rating	Result
Michael WA Hoare	1649	0 - 1
Kevin J Gallagher	1631	0 - 1
Vaughan WG Smith	1588	0 - 1

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

1223 = (4868 + 400 * (0 - 3)) / 3)