Event: Cambs Division 2

PDF Excel

Opponent	Rating	Result
Ben Tarlow	1876	0 - 1
Paul Hanks	1858	0 - 1
John D Wright	1581	½ - ½
Christian Bengtson	1548	0 - 1
Chris J Russell	1562	0 - 1
Ryan Coetsee	0	1 - 0
James Beck	1076	1 - 0

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

1243 = (9501 + 400 * (2 - 4)) / 7)