Event: Hillingdon Div 3

PDF Excel

Opponent	Rating	Result
William KW Kwoh	1604	½ - ½
John Clenshaw	1665	1 - 0
Lucas Tse-Fong-Tai	1051	1 - 0

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

1707 = (4320 + 400 * (2 - 0)) / 3)