Event: 3rd Cornwall Online League

PDF Excel

Opponent	Rating	Result
Kieran Kerim	0	1 - 0
Hugh Brown	0	1 - 0
Bryan Jones	0	½ - ½
Richard AL Smith	0	0 - 1
Simon Margetts	1476	1 - 0

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

455 = (1476 + 400 * (3 - 1)) / 5)