Event: SCL Div 3

PDF Excel

Opponent	Rating	Result
Colin B Knight	0	1 - 0
Jerry Ingamells	0	½ - ½
David Kinsler	0	0 - 1
Richard Slade	0	½ - ½
Manoj Chandar	0	0 - 1

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

-80 = (0 + 400 * (1 - 2)) / 5)