Event: Walker Shield

PDF Excel

Opponent	Rating	Result
Zeno Burns	1196	1 - 0
John L Clarke	1394	1 - 0
I Redmond	1340	0 - 1

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

1443 = (3930 + 400 * (2 - 1)) / 3)