Event: Club Championship

PDF Excel

Opponent	Rating	Result
Paul A Chaplin	1480	0 - 1
Gavin Johnstone	1248	0 - 1
Liam Goodwin	0	0 - 1

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

509 = (2728 + 400 * (0 - 3)) / 3)