Event: Division 2 - Under 6800

PDF Excel

Opponent	Rating	Result
H William Ingham	1898	0 - 1
David J Archer	1997	0 - 1
Trefor F Thynne	1933	1 - 0

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

1809 = (5828 + 400 * (1 - 2)) / 3)