Event: Durham League Division A

PDF Excel

Opponent	Rating	Result
Thomas Eggleston	2247	0 - 1
Mike Ayton	1810	½ - ½
Giuseppe Magazzù	1982	1 - 0

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

2013 = (6039 + 400 * (1 - 1)) / 3)