Event: Div3

PDF Excel

Opponent	Rating	Result
John Challenor	114	1 - 0
David JF Woodhouse	120	1 - 0
Brian Lever	117	1 - 0
John Challenor	112	1 - 0
Nigel Wright	128	0 - 1
Dean M Hartley	141	1 - 0
Roger W Walker	113	½ - ½
Brian Lever	121	½ - ½

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

321 = (966 + 400 * (5 - 1)) / 8)