Event: Durham League Division B

PDF Excel

Opponent	Rating	Result
Andrew Robson	0	1 - 0
AD Tony Shires	1581	0 - 1
Deborah Edmundson	1444	0 - 1
Joe McGinnis	1543	1 - 0
Barry Edgar	1587	½ - ½
Holly Adshead	0	1 - 0
Richard Kuby	1446	1 - 0

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

1200 = (7601 + 400 * (4 - 2)) / 7)