Event: Derby Long play

PDF Excel

Opponent	Rating	Result
Michael Moon	100	1 - 0
Matthew Caswell	120	1 - 0
Andre Cockburn	119	0 - 1
Adrian J Dibble	88	1 - 0
Chris Sharp	100	½ - ½

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

265 = (527 + 400 * (3 - 1)) / 5)