More questions on NT bidding "judgment"

Subject:More questions on NT bidding "judgment"
Date:Fri, 5 Feb 2010 09:10:12 -0800 (PST)
Caveat #1: This is based on a real incident, but any discussion here
will never be repeated to anyone involved. I just want to try to get
some other perspectives after seeing something that seems wrong to me.

Caveat #2: There's a story here and I've tried to tell it briefly but
not leave out details in case they are of value to anyone who wishes
to answer the questions I pose below. I apologise in advance if it's
too long. And thanks in advance to those who read through.

2NT was opened in first seat (20-21 HCP balanced is the nearly-
universal meaning in the field in question, and turned out to be the
case here, although there are probably some there who would open 2NT
with a stiff Ace or semi-balanced hand with guarded doubletons).

Responder raised to 3NT, and that was the contract. Responder tabled
the following dummy

xxxx
xxx
QJTx
Kx

(All x's were small. Spades were something like 8532 or 8743 IIRC)

3NT made on the nose. Opener had AKJx in spades. Not that it matters
when playing the hand, but in hindsight the pairs in the club that
evening were evenly divided between 4S down one and 3NT making.

Opener proceeded to take responder to task for not using Stayman as
this was the only right bid with a four-card major.

Responder pointed out reasons for not bidding Stayman: the flat shape,
the slow honours, the poor majors, and that their partnership had no
specific agreement to always use Stayman with every hand that has a
four card major, regardless of any other attributes.

Opener says that responder _should_ have bid 3C and after the 3S
response, if responder then decided he didn't like spades he could
then bid 3NT so that opener would have more information about the
hand.

That last bit blew my mind (not that that's hard, I admit). How could
responder have decided to change horses after a 3S response without
leaving the door open to an accusation of using UI?

As a developing player, I would be quite grateful if you could help to
improve my understanding of the issue. Here are the questions I ask:

- Supposing that no actual agreement was violated, do you think that
the responder exercised reasonable or poor judgment in this case?
Responder stated his case. If you think responder's judgment was
poor, what would be your case against it?

- Wouldn't the auction suggested by opener at least have strongly
implied that responder did not have four spades and instead had four
hearts? Wouldn't that make things less clear?

(Note: I know that you can bid Stayman with no four card major, but I
thought that is generally done in specific situations that do not
appear to be covered by opener's asserted correct auction.)

- Is it at all common among [reasonably good North American] players
to agree to never forego Stayman holding any four-card major in any
hand that has invitational or game-signoff values, if not playing a
convention that makes it technically impossible to do otherwise?

Thanks for your input,

--
- Jon Campbell
Ottawa Canada



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