Event: Belper Club Championship

PDF Excel

Opponent	Rating	Result
Ronald S Harrison	0	1 - 0
Vaughan WG Smith	0	1 - 0
Nigel D Marshall	0	1 - 0
John Potter	0	0 - 1
Andrew Townsend	0	½ - ½
Alan F Downham	0	1 - 0(def)
Martin Cobham	0	½ - ½

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

133 = (0 + 400 * (3 - 1)) / 6)