A B-7 Question

[chuck and teril swart]

This hand came up in a recent team game:

732

QJT65

98

AK3

You are in 3rd seat with silent opponents. The auction goes:

1d     1H;    1S    ?

Your call.

[Christopher Monsour]

2D

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From: kaplan-s...@googlegroups.com <kaplan-s...@googlegroups.com> on behalf of chuck and teril swart <chuckte...@gmail.com>
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Subject: A B-7 Question

 

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[Carl WEISMAN]

Is there a useful distinction between 2D and 2S?

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[Steve Willner]

B-7 choices seem to be 2C, planning a non-forcing 2NT later unless
opener shows H support or S length, and 2S, showing 9-11, "occasionally"
3c support. 2S is OK on strength, but I think 2C then 2NT better
describes the location of values. I don't object to either choice.

2D is right on strength, but I think it shows D support.

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Steve Willner

[Christopher Monsour]

That depends.   If 1S promised 5 spades, then yes.  If it only promised 4, 2S should maybe be natural.

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From: 'Carl WEISMAN' via The Kaplan-Sheinwold Bidding System <kaplan-s...@googlegroups.com>
Sent: Thursday, October 2, 2025 7:00:00 PM
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Subject: Re: A B-7 Question

 

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[Doug Deacon]

Christopher wrote:

>That depends.   If 1S promised 5 spades, then yes.  If it only promised 4, 2S should maybe be natural.

Per B-7, 1S didn't promise even 4 spades. 

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[Doug Deacon]

Concur with Steve. 

2C is descriptive (something in C). A 2N continuation is non-F (accurate as to strength) and clarifies that the something is strength, not length.

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[Ronald Kalf]

2H, good H, right on strength

[chuck and teril swart]

Some of the answers raised issues that I haven't thought about. I am concerned about how to deal with opener's unbalanced minimum.

Does 2H by responder after opener's 1S generally show six hearts? If opener is 4=1=2=6 then 2d is the best contract, but if opener is 4=3=1=5 then 2H is better. 

Also I hadn't thought about 2c. 2c is forcing on opener but is responder also promising to bid again? That seems to be implied.

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[Christopher Monsour]

Sorry about my initial response.  I had read it as a competitive auction.

2H is reasonable, but this hand seems a bit strong for it.  I'd rebid 2C, even if it promises another bid, planning to bid 2N (nonforcing) next, even over 2H, which only shows a doubleton.  (Of course, I will raise 3H to 4H.)  2N removes the force, and so 1D-1H-1S-2C-2D-2N-3D can be passed.  I would expect 1D-1H-1S-2C-2H-2N-3C is forcing since opener can't really want to be suggesting playing in clubs at this point.  Thus, opener is not inconvenienced over 2N when he has extras.

If 2C doesn't promise another bid, it's even better, since I can pass 2D or 2H.  

It is important to know whether it promises another bid, though, as that will impact opener's next call.

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From: kaplan-s...@googlegroups.com <kaplan-s...@googlegroups.com> on behalf of chuck and teril swart <chuckte...@gmail.com>

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To: kaplan-s...@googlegroups.com <kaplan-s...@googlegroups.com>
Subject: Re: A B-7 Question

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[Ronald Kalf]

IMO a good 5crd is enough

[Ronald Kalf]

2H: nonforcing, but opener often rebids. I interpret this as roughly the same strength as 2D/S. Here Iöd like to emphasize hearts

[Steve Willner]

1D-1H;
1S-2C;
?

On 10/4/25 11:10 AM, Christopher Monsour wrote:
> [opener's 3rd round bid of] 2H, which only shows a doubleton.

What might opener have to rebid 2H on a doubleton? With 4=2=4=3 (which
has to be 15+) or 4=2=5=2 (could that be 12-14?), I'd expect 2NT. I
think 2NT shows a non-minimum and is either forcing or intended as
forcing. In my view, minimum hands with 4=2=5=2 have to either open 1NT
or rebid 2D, hiding the spades. Maybe I'm wrong about that.

> If 2C doesn't promise another bid, it's even better, since I can pass 2D
> or 2H.
>
> It is important to know whether it promises another bid, though, as that
> will impact opener's next call.

I don't think there's any problem with promising a rebid when m=D, but
in the auction 1C-1H; 1S-2D; 3C-, responder needs to be able to pass
with a minimum misfit.

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Steve Willner