Event: NSDCA Division 1

PDF Excel

Opponent	Rating	Result
Jon EW Blackburn	1661	1 - 0
Geoff Laurence	1701	0 - 1
David I Hulme	1750	0 - 1

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

1571 = (5112 + 400 * (1 - 2)) / 3)