Potentially unexpected meaning?
I'm interested in opinions on this:
I want to advise a pair who play a 3NT opening in 3rd and 4th seats to be 16-19 HCP and balanced or semi-balanced. They don't open 3NT in first or second seat, so don't play the so-called "Gambling 3NT" opening at all. Their 2NT opening is 20-22 throughout.
I don't want to advise them on the merits of such an agreement, but whether they should alert their 3NT opening.
Would you expect a natural 3NT opening to be of a significantly stronger range, and so, would you also argue that while their 3NT opening is natural, it nevertheless has a "potentially unexpected meaning" (BB 4B1) and should be alerted?
I rarely come across natural 3NT openings anyway, and the last time I can recollect an opponent doing so, it was some years ago and a completely different player and he had a balanced 17 in 4th seat.
Barrie Partridge - CTD for Bridge Club Live