Event: Summer League

PDF Excel

Opponent	Rating	Result
Robert Ashworth	1853	0 - 1
Derek I Lomax	1491	1 - 0
Peter Nelson	1439	1 - 0
Matthew Hammond	1708	0 - 1
Alun Richards	1775	½ - ½
Robert Lacey	1600	1 - 0
Robert Ashworth	1853	0 - 1
Derek I Lomax	1491	1 - 0
Peter Nelson	1439	1 - 0
Matthew Hammond	1708	½ - ½
Alun Richards	1775	1 - 0
Robert Lacey	1600	1 - 0

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

1778 = (19732 + 400 * (7 - 3)) / 12)