From PM'd answers we have
Vectis & Bagpuss on 20
Nemesis on 18
Giok & HuwG on 17
and Jacqui.C on 15
And yes there was one score of 20 (and can 'a score' be anything else?) at the club.
In case it's causing any one else problems #1 does not follow the theme. It sets it!
CHEERS
Nigel