Event: NSDCA Division 3

PDF Excel

Opponent	Rating	Result
David Millington	1627	1 - 0
George Bulbeck	1646	½ - ½
Chris Simpson	1651	0 - 1
Julian N Hawthorne	1682	0 - 1
Charlie G Swinson	1469	½ - ½
Thomas Bailey	1374	0 - 1
Douglas J Barnett	1491	1 - 0

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

1506 = (10940 + 400 * (2 - 3)) / 7)