Event: Div4

PDF Excel

Opponent	Rating	Result
Dean M Hartley	143	1 - 0
Michael JR Page	107	0 - 1
Stephen G Wootton	121	0 - 1
Brian Lever	118	½ - ½
Sophie Bentley	95	1 - 0
Dean M Hartley	143	0 - 1
Adrian J Dibble	88	0 - 1
Harry Madden	113	1 - 0

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

66 = (928 + 400 * (3 - 4)) / 8)