Event: Durham League Division A

PDF Excel

Opponent	Rating	Result
David J Walker	2290	0 - 1
Thomas Eggleston	2274	½ - ½
Gavin Ming Yao Koh	0	0 - 1
William Bartram	1924	0 - 1
David J Walker	2290	0 - 1
Mick Fenton	2120	1 - 0
Mick Fenton	2120	½ - ½

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

1688 = (13018 + 400 * (1 - 4)) / 7)