Event: Hammersmith Rockhammer Cup

PDF Excel

Opponent	Rating	Result
Andrew Macleod	1797	0 - 1
Matthew Perchard	1593	0 - 1
Andrew Macleod	1781	0 - 1
Jai Sandhu	1775	0 - 1

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

1337 = (6946 + 400 * (0 - 4)) / 4)