Event: 3rd Cornwall Online League

PDF Excel

Opponent	Rating	Result
Peter Doubleday	0	0 - 1
Ian R Rescorla	0	0 - 1
Philip J Spargo	1443	½ - ½

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

214 = (1443 + 400 * (0 - 2)) / 3)