Event: Division 1

PDF Excel

Opponent	Rating	Result
Jude Shearsby	1988	½ - ½
Mark E Page	2172	½ - ½
Donald J Mason	2159	0 - 1
Philip J Holt	2208	0 - 1
Alan D Lloyd	2165	0 - 1
Jude Shearsby	2020	0 - 1
Philip Purcell	2115	0 - 1

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

1832 = (14827 + 400 * (0 - 5)) / 7)