Event: Div1

PDF Excel

Opponent	Rating	Result
Steve Bracey	156	0 - 1
Mike Alcock	168	0 - 1
David G Levens	155	1 - 0
Anthony J Green	169	1 - 0
Andrew Toothill	162	0 - 1
Brian Crofts	131	1 - 0
D Philip Morgan	141	0 - 1
Martin Cobham	149	1 - 0
Vaughan WG Smith	127	1 - 0

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

195 = (1358 + 400 * (5 - 4)) / 9)