zdedo, on 2018-March-17, 23:48, said:
team match, Imps, all white
W deals and passes partner bids 1!C RHO passes
What to bid?
and where to stop if p showed another 18hcp with 4432?
Thanks
What does 1
♣ promise?
Anyway, you don't have a problem yet. You make a forcing bid - 2
♣, if you play inverted minors; 2NT if this forcing (It is a good hand for Baron, or Jacoby?); or just bid 1
♦ if none of these are available.
When partner shows up with 18 HCP and 4432, you seem to have a good shot at 6NT, but are unlikely to have enough to make a grand slam good odds. You usually need a source of tricks for a grand Slam - it is rare to be able to bid it on brute force alone. If you check on aces and kings and any are missing a Grand Slam is probably reliant on a finesse at best (poor odds). Even if all are present, this will give you eight tricks and you will need a further five tricks in queens and Jacks. Three queens and two Jacks might get you to thirteen - if they are supporting each other and there is no wastage - but having to finesse for a missing queen to make a jack would not be good. You need to find out some very precise info to judge accurately to bid a Grand Slam. I would not be trying.
IMO...
- In reply to 1♣, bid 2♣ = NAT F1, if playing inverted minor raises.
- After partner's rebid shows a 4432 18 count:
- - If you can find a 4-4 fit, then you should investigate the grand.
- - with no agreed methods, you might risk 5N, which you hope partner will interpret as a grand-slam try, but leaving room to explore for a 4-4 fit, Baron-style.
- - otherwise, settle for 6N.