Event: Hillingdon Div 2

PDF Excel

Opponent	Rating	Result
Simon Healeas	1886	0 - 1
John Clenshaw	1700	0 - 1
Daniel Evans	1689	1 - 0
John Clenshaw	1719	0 - 1
Peter R Lord	1775	½ - ½
Hasith Kumarapperuma	1558	½ - ½
Arthur Cann	1450	1 - 0

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

1625 = (11777 + 400 * (2 - 3)) / 7)