Event: C Division

PDF Excel

Opponent	Rating	Result
Ajay Selvan	1450	½ - ½
Nick Tadd	1150	1 - 0
Graham W Matthews	1592	0 - 1
Geoffrey Garnett	1409	½ - ½
Peter R Archer	1477	½ - ½
Bernie Callaghan	1325	0 - 1
Barry Hopkins	1400	0 - 1

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

1286 = (9803 + 400 * (1 - 3)) / 7)