Event: Summer KO Group B

PDF Excel

Opponent	Rating	Result
Alex Piercy	0	0 - 1
Stefan Hartmann	0	0 - 1
Ian R Rook	0	0 - 1
Michael EI Allen	0	0 - 1
Matthew Forster	0	0 - 1

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

-400 = (0 + 400 * (0 - 5)) / 5)