Event: Division 1 - Open

PDF Excel

Opponent	Rating	Result
Trefor F Thynne	1905	½ - ½
Jack Wills	1825	1 - 0
James Schofield	1895	½ - ½

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

2008 = (5625 + 400 * (1 - 0)) / 3)