Event: Baum Trophy

PDF Excel

Opponent	Rating	Result
Istvan Karacsony	1806	0 - 1
Brian J Spear	1707	0 - 1
Brian J Spear	1707	1 - 0
Istvan Karacsony	1806	0 - 1

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

1557 = (7026 + 400 * (1 - 3)) / 4)