Event: Derby & District Division 1

PDF Excel

Opponent	Rating	Result
Andrew Robins	1791	0 - 1
Simon N Gilmore	2067	0 - 1
Alan F Downham	1848	½ - ½

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

1635 = (5706 + 400 * (0 - 2)) / 3)