Event: Hillingdon Div 2

PDF Excel

Opponent	Rating	Result
John Clenshaw	1685	½ - ½
Clive Heidrich	1792	0 - 1
Jason Obihara	1768	1 - 0

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

1748 = (5245 + 400 * (1 - 1)) / 3)