Event: Div4

PDF Excel

Opponent	Rating	Result
Brian Jones	67	0 - 1
Michael D Boreham	116	0 - 1
Norman W Parkin	95	0 - 1
Mohinderpal Samra	82	0 - 1
Harry Madden	101	0 - 1
Alan Holden	111	0 - 1
Brian Jones	67	1 - 0
Andy McCafferty	0	1 - 0

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

-120 = (639 + 400 * (2 - 6)) / 8)