Event: Division 2 - Weston Trophy

PDF Excel

Opponent	Rating	Result
Ian Edmundson	0	1 - 0
Harry Feather	0	½ - ½
Peter J Hoare	133	1 - 0
Vlad Shaposhnikov	0	0 - 1
Ralph Batty	0	1 - 0
A David Fidler	0	1 - 0
Brian Crofts	130	1 - 0
Robert Porter	124	½ - ½

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

248 = (387 + 400 * (5 - 1)) / 8)