Event: Division Two

PDF Excel

Opponent	Rating	Result
Fahim Nasiri	178	0 - 1
Lee Fellows	144	0 - 1
Julie C Wilson	137	1 - 0
Chris Chadwick	177	0 - 1
David R Thomas	148	0 - 1
Geoffrey Marchant	178	0 - 1
John E Crump	162	½ - ½
Iain Brodie	156	1 - 0

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

10 = (1280 + 400 * (2 - 5)) / 8)