Event: First Mike Duck Online Tournament

PDF Excel

Opponent	Rating	Result
Philip T Hayward	0	0 - 1
Ian Gilders	0	0 - 1
Jan Murawski	0	0 - 1
Ville Uski	0	0 - 1

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

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