Event: Worcestershire Challengers' League

PDF Excel

Opponent	Rating	Result
Scott Russell	1817	0 - 1
David Smith	1801	½ - ½
Andy Gilhooly	1565	1 - 0
Arnold G Kirkland	1551	1 - 0
Paul B Sharratt	1794	1 - 0
Julie C Wilson	1800	1 - 0
Pierre Lipinsky	1512	½ - ½
George Charman	1785	0 - 1
John F Varilone	1639	1 - 0

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

1829 = (15264 + 400 * (5 - 2)) / 9)