Event: Division 1

PDF Excel

Opponent	Rating	Result
Murray D Smith	194	0 - 1
Jonah B Willow	233	0 - 1
Michael H Barnes	192	0 - 1
Nigel Birtwistle	202	0 - 1
Stephen CV Prior	195	0 - 1
David H Coates	172	½ - ½
Dragoljub Sudar	159	1 - 0

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

-36 = (1347 + 400 * (1 - 5)) / 7)