Event: SCC Meltham blitz

PDF Excel

Opponent	Rating	Result
Tony Pogson	0	0 - 1
Ahmed Haseeb	0	1 - 0
Robert Mitchell	0	0 - 1
Yusuf Abdullah	0	1 - 0
Imran Ahmed	0	0 - 1

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

-80 = (0 + 400 * (2 - 3)) / 5)