Event: Division 3

PDF Excel

Opponent	Rating	Result
Alan Ticehurst	1584	1 - 0
Peter Finch	1389	½ - ½
Alan Davey	1350	½ - ½
Peter Rankin	1666	0 - 1
Zoe Pellatt	1565	0 - 1
James Falvey	1558	0 - 1
David Simpkins	1417	1 - 0

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

1447 = (10529 + 400 * (2 - 3)) / 7)