Event: Division 1

PDF Excel

Opponent	Rating	Result
Brian Smith	0	0 - 1
Jeff Holden	0	0 - 1
Ray Rushworth	0	½ - ½
Sam Walmsley	0	½ - ½

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

-200 = (0 + 400 * (0 - 2)) / 4)