Event: Worcestershire Championship League

PDF Excel

Opponent	Rating	Result
Nigel Hosken	2067	½ - ½
Harry G Evans	1878	0 - 1
Stewart K Fishburne	2061	½ - ½
Gavin Cartwright	1859	1 - 0
Gavin Cartwright	1859	½ - ½
David M Cooper	2015	½ - ½
Joe Rastall	1700	½ - ½
Ray A Collett	1877	1 - 0
David Spowart	1789	½ - ½
David Spowart	1789	1 - 0

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

1969 = (18894 + 400 * (3 - 1)) / 10)