Event: D&DCL Div 1

PDF Excel

Opponent	Rating	Result
Alan F Downham	162	0 - 1
Andrew Toothill	162	0 - 1
Alex Webster	163	½ - ½

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

-104 = (487 + 400 * (0 - 2)) / 3)