Event: IM Brown

PDF Excel

Opponent	Rating	Result
Anthony Ibbitson	1749	½ - ½
Karim Khan	1809	1 - 0
Peter Micklethwaite	2008	0 - 1
Paul May	1807	0 - 1
Geoffrey D Brown	1858	1 - 0
Owen R Robson	1748	0 - 1
Pete Redmond	1915	0 - 1

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

1728 = (12894 + 400 * (2 - 4)) / 7)