Event: Rolls Royce Championship

PDF Excel

Opponent	Rating	Result
Andrew Robins	0	0 - 1
Alistair Jones	0	1 - 0
Dylan Meyer	0	0 - 1
Ranjit Nath	0	0 - 1
Duncan J Livsey	0	1 - 0

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

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