What should I Bid? - Best enquiry for April 2006

The best submission for the month of April was made by John William Gross.

Hand: At West, as dealer, I held the hand with both red suits.

spades A
hearts AKQ1043
diamonds KQ7543
clubs -
spades 76432
hearts -
diamonds 982
clubs AK987
Bidding: West North East South
   1hearts P 1NT P
   4diamonds P 5diamonds All Pass

Comments: I was very tempted to bid 6diamondsbut decided that the uncertainties were too great.  With RHO holding AJ bare in diamonds, 6diamondswas no problem. We play a fairly standard 5-card major system, with "Benjamin" 2clubs/2diamondsreversed. I do not like to open strong 2-suiters like this with a Benjamin opening bid. I feel it often leads to problems in telling partner about the two suits before the level is too high.
For this reason I opened 1
hearts, crossing my fingers that it would not be passed out. When partner showed a mere 1NT response I chose to rebid 4diamondsto let her know that I was strong but not interested in a notrump contract. Already at that stage I was only vaguely hoping for a slam.
Support of my diamond suit made me think harder about the slam, but I decided not to.
Do you think I was right? And can you suggest any other auction(s) that may have enabled us to reach the slam?

And Peter’s Response:

Hi John,
I too, prefer to open at the one level when holding an extreme 2 suiter, although with a one loser hand, I might have relented and started with a strong 2 bid.
Be that as it may, I don't mind the 1
hearts start. That is the end of my admiration for the auction.

The 1NT response is poor. 1spades is the standard action and any effort to diagnose partner’s hand shape from here will be based on the assumption that it does not contain 4 or more spades.
Given the 1NT response, 3
diamonds is the normal rebid. 3diamonds is natural and game forcing. Over the likely 3NT rebid, I would continue with 4diamonds.

If partner happened to raise 3diamonds to 4diamonds, I would be seeking to bid a grand slam by following up with 5NT. 5NT here is a Grand Slam ask about diamonds.

Even on your auction, if partner preferred diamonds to hearts, I would continue with 5NT.
You couldn't keep me out of less than 6
diamonds after partner responded 1NT.

The chances of partner holding less than 3 diamonds while holding less than 4 spades and less than 3 hearts, is fairly low. Once partner prefers diamonds to hearts it is almost nil.

If partner turned up with ace of diamonds after I enquired about trump honours, I would be pretty OK about having a crack at 7diamonds, settling in 6diamonds if partner did not own up to the ace.

My view of how the auction ought to have gone is this –

Bidding: West North East South
   1hearts Pass 1spades Pass
   3diamonds Pass 3NT Pass
   4diamonds Pass 5clubs* Pass
   5NT Pass 6clubs/diamonds* Pass
   Pass or 6diamonds conversion if necessary All Pass

 * 5clubs Agrees diamonds and shows first round control in clubs.
** 6
clubs/diamonds Depending on method, denies first or second round diamond control.
6
diamonds/Pass (depending on partner's previous bid).

Regards
Peter Fordham

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