Event: A Division

PDF Excel

Opponent	Rating	Result
Plamen Mladenov	2362	1 - 0
John L Bentley	2156	0 - 1
Daniel T Lee	2130	0 - 1
Nikolay Milchev	2241	0 - 1
Tim Hilton	2002	1 - 0
Chris Vassiliou	1932	0 - 1
Robert McLean	2021	0 - 1

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

1949 = (14844 + 400 * (2 - 5)) / 7)