Event: Division 3

PDF Excel

Opponent	Rating	Result
Chris W Pitt	1650	1 - 0
Stephen J Willetts	2003	0 - 1
Oliver Harrison	1683	0 - 1
Harry Myring	1775	0 - 1
Chris W Pitt	1630	½ - ½
David M Cotterell	1584	½ - ½
Paul Silverman	1594	1 - 0

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

1646 = (11919 + 400 * (2 - 3)) / 7)