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Proceeding after 1m-(Dbl)-ReDbl-(Pass or 1X)

Bear with me a moment. Eventually, this post gets to a point:

How might a partnership proceed after we open 1m (in mainstream methods) and the enemy immediately makes a takeout double?

One traditional tenet is a redouble shows 10+ HCPs as a base.

Astonishingly, neither the 6th or 7th edition of the Encyclopedia of Bridge discusses this subject or partnership practices after the redouble (at least, I can't find it).

Morever, I can't find it in RP's extensive System, titled Pavlicek Complete.

Fortunately, BWS provides a basic framework in the section titled:


After our minor-suit opening and a takeout double


- A one-level new suit response is forcing (by UPH)

- 1D-(Double)-2C is not forcing

- 2NT shows a GI or stronger raise of opener's suit  (direct jump responses are preemptive)

- A direct single raise is natural

- A jump shift is preemptive

- A double jump-shift is a splinter


- A redouble shows any hand with 10-plus that is not suitable for a raise or a new-suit bid

(Something of an aside: elsewhere in BWS; responder's redouble followed by a penalty double is a weaker penalty suggestion than if responder passes over the double and later doubles for penalty.)

I believe most of us follow the above basic agreements in our mainstream partnerships.

But there is no expert standard practice I'm aware of that prescribes "suitable" for a new suit.  A practical (and often undiscussed) guide is consider a forcing one-bid if the suit is a 5-carder (with hcpts and structure in mind) or a very good 4-card suit. The one-level response is forcing for 1-round, and shows something like a 6-count on up.

To get to the point of the post.

Given that a redouble simply shows 10+ and denies any of the tenets expressed above in BWS, why not simply agree that opener's 1NT rebid specifically shows the equivalent of a weak 12-14 weak 1NT hand and any other call -- pass or bid -- denies such a holding (regardless of 4th chair's call of pass or 1X)?

I'm aware that some of you may so play. If so, pls elaborate on your experience.

In any event, I went further and played with some simulations.

One is simply double-dummy. given appropriate specs for a 1m opening, an immediate double, and a 10+ redouble, how often will opener hold a weak 1NT opener? My specs for the 1NT were rather mainstream (I think).

In the abstract, my findings were:

Opener holds 12-14 balanced in about 58% of all deals.Other holdings are 6+ cards in a minor, shortness, a few above 12-14 count (I did not constrict) and a fair number of 5422 hands that were, predictably, not suitable for most weak notrump hands. My initial specs ruled out rule of 20 hands such as 5-5 in minors or 4-6 or better in major/minor.

More relevantly, I examined a number of deals the old-fashioned way -- as the simulation pioneers did (like Paul Heitner with BGEN and John Lowenthal with Borel) -- examining each deal to come to a reasonable expectation of real-world outcomes.

When a deal "qualified" -- opener bidding 1NT as specified -- responder was well-placed to make next decisions. As you might expect, there were quite a few 22/23/24 point decisions to make. I've never been a serious weak 1NT opener -- but those that are don't encounter 1NT weak - (double to show takeout values of a minor) - either.

Welcome any and all input. If I can get to some reasonable agreements with a partner or two, I'll experiment and try to report back in a couple of years.

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