Event: League Division 2

PDF Excel

Opponent	Rating	Result
David Morris	0	0 - 1
Zana Aziz	1789	1 - 0
Toby Quaite	1649	0 - 1
Robert Dennington	1599	0 - 1
Clive W Davies	1867	0 - 1
James P Collier	1835	0 - 1
Hugh Thornton	1568	0 - 1

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

1187 = (10307 + 400 * (1 - 6)) / 7)