Event: All play all test

PDF Excel

Opponent	Rating	Result
George Lee	0
Beyazid Kocak	0
Harry Fines	0
Hasan Ahmed	0
Max Inglott	0
Hercules So	0
Jiyaad Ali	0
Ian A Hames	0
Charlie Beauchamp	0
George Lee	0
Beyazid Kocak	0
Harry Fines	0
Hasan Ahmed	0
Max Inglott	0
Hercules So	0
Jiyaad Ali	0
Ian A Hames	0
Charlie Beauchamp	0

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

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