Event: Durham City Club Championship

PDF Excel

Opponent	Rating	Result
Ken P Neat	0	0 - 1
Fedir Dyshliuk	0	0 - 1
Marco Balocco	0	1 - 0
Philip Brooks	0	0 - 1
Keegan Hope	0	0 - 1

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

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