Event: Burton one-hour tournament

PDF Excel

Opponent	Rating	Result
Roger Bird	0
Joe Parker	1475
Edmund M. Jones	1756
Anushka M. Ramawickrama	1679
Vinod M Fernando	2038
Trevor C Bould	1998
Graeme Drayton	1323
David J Pickering	1735
Piotr Natoniewski	1438

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

0 = (0 + 400 * (0 - 0)) / 0)