Event: David Jenkins Memorial Cup

PDF Excel

Opponent	Rating	Result
Percy TP Gill	1802	0 - 1
Annabel Wise	0	1 - 0
Kieran Macphail	1550	0 - 1
Sam Nicholls	0	0 - 1
Reuben Medhurst	1197	1 - 0

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

830 = (4549 + 400 * (2 - 3)) / 5)