Event: First Mike Duck Online Tournament

PDF Excel

Opponent	Rating	Result
Lilli Hahn	0	0 - 1
Gilbert Csecs	0	0 - 1
Ivon S Asquith	0	1 - 0

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

-133 = (0 + 400 * (1 - 2)) / 3)