Event: SCCU County Championship: U1850

PDF Excel

Opponent	Rating	Result
Istvan Karacsony	1589	0 - 1
David Helps	1686	0 - 1
Pawel Slonczuk	1668	0 - 1

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

1248 = (4943 + 400 * (0 - 3)) / 3)