Event: Club Championship

PDF Excel

Opponent	Rating	Result
Chris Lake	1808	0 - 1
M Gyure	1827	0 - 1
Luke E Rutherford	2245	0 - 1
Geoffrey H James	2065	0 - 1
John Abraham	1772	1 - 0
Jan Ten Sythoff	1703	1 - 0(def)
Stephen J Newman	2053	½ - ½
Kit Blades	1880	0 - 1

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

1721 = (13650 + 400 * (1 - 5)) / 7)