Event: Summer Online League - Swiss

PDF Excel

Opponent	Rating	Result
Alec Hedger	0	0 - 1
Paul Evans	0	0 - 1
Peter G Farr	0	0 - 1
Timothy Hedger	0	0 - 1
William F Tracey	0	1 - 0

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

-240 = (0 + 400 * (1 - 4)) / 5)