Event: Atkinson Cup

PDF Excel

Opponent	Rating	Result
Thomas L Hackett	1778	0 - 1
Neil Hambly	1537	0 - 1
Dominik Pitel	1352	0 - 1

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

1156 = (4667 + 400 * (0 - 3)) / 3)