Event: Div 2 - Weston Trophy

PDF Excel

Opponent	Rating	Result
Henry Withington	158	0 - 1
Kier Morton	0	½ - ½
Alan S McIntosh	1774	0 - 1
Richard E Desmedt	1753	0 - 1
Milosz Kasprzyk	1728	½ - ½
Alec Nussey	1682	0 - 1
Steve Daykin	1333	½ - ½

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

975 = (8428 + 400 * (0 - 4)) / 7)