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Splinter or Gerber What is the best use for this jump?

Poll: Splinter -- Gerber -- Silly bid (35 member(s) have cast votes)

4 Clubs means what, in the auction below?

  1. Splinter - showing 6+ Hearts (32 votes [91.43%])

    Percentage of vote: 91.43%

  2. Gerber (or Roman Keycard Gerber) (1 votes [2.86%])

    Percentage of vote: 2.86%

  3. Something else (2 votes [5.71%])

    Percentage of vote: 5.71%

Vote Guests cannot vote

#1 User is offline   masse24 

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Posted 2015-August-01, 19:23

In the following (uncontested) auction, what is the best use for this jump to 4?

1NT - 2 - 2 - 4?
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#2 User is offline   steve2005 

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Posted 2015-August-01, 21:35

if you want to use Gerber go 1N-4. Why show 5 and then Gerber you don't even know If you have a fit?
With 6+ and your only interested in keycards, use Texas then 4N.
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#3 User is offline   Zelandakh 

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Posted 2015-August-01, 23:01

I also use it as a splinter but another popular method is for all splinters to go through a 3 rebid freeing up 4 and 4. This is useful if you do not have an alternative way of starting a cue auction, as 4 can now be used for that with 4 being RKCB. Having the 4 rebid asking for key cards is more common but, in my view, clearly not as good.
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#4 User is offline   FrancesHinden 

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Posted 2015-August-02, 02:55

Depends on the rest of your system. For me, it is a splinter but there are other ways to show that hand type; similarly there are other ways to ask for heart keycards.
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#5 User is offline   jodepp 

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Posted 2015-August-02, 06:31

I'm sure others across the world do things differently, but here's what I do in my neck of the woods:

Jumping after a transfer is a splinter. To ask for aces/key cards, use a Texas transfer (4L) then bid 4NT.
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#6 User is offline   blackshoe 

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Posted 2015-August-02, 13:20

View Postjodepp, on 2015-August-02, 06:31, said:

I'm sure others across the world do things differently, but here's what I do in my neck of the woods:

Jumping after a transfer is a splinter. To ask for aces/key cards, use a Texas transfer (4L) then bid 4NT.

Does your Texas promise a six card suit?
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#7 User is offline   steve2005 

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Posted 2015-August-02, 14:03

View PostZelandakh, on 2015-August-01, 23:01, said:

I also use it as a splinter but another popular method is for all splinters to go through a 3 rebid freeing up 4 and 4. This is useful if you do not have an alternative way of starting a cue auction, as 4 can now be used for that with 4 being RKCB. Having the 4 rebid asking for key cards is more common but, in my view, clearly not as good.

While using 4 or 4 as keycard is an interesting idea, your still likely going to be signing off in 5 if you aren't in slam. So very little is gained over using 4N and if your not safe at the 5-level why are you using keycard.

So, I think 4C/4D is better to use for something other than keycard.
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#8 User is offline   barmar 

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Posted 2015-August-03, 00:15

If you have a 5-card suit and a singleton, you must also have a side 4+ card suit. If that's his hand, responder's second bid should be the second suit.

And as others have said, if you have a 6-card suit and want to check on aces, you start with Texas rather than Jacoby.

So by process of elimination, this sequence should show 6+ hearts and a singleton or void in clubs.

#9 User is offline   helene_t 

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Posted 2015-August-03, 02:58

View Postblackshoe, on 2015-August-02, 13:20, said:

Does your Texas promise a six card suit?

It sets trumps so in principle it is based on 6+ cards but of course if you think your 5-card suit is good enough to insist on it then you can use Texas.
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#10 User is offline   fromageGB 

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Posted 2015-August-23, 03:55

View Postbarmar, on 2015-August-03, 00:15, said:

And as others have said, if you have a 6-card suit and want to check on aces, you start with Texas rather than Jacoby.

I agree I'd use 4 as a x6xx splinter, but what advantage is there in Texas rather than Jacoby with a 6 card suit ace asking hand? I can't see that knowing of 6 hearts rather than 5 is going to be any benefit to opener. He is hardly likely to be able to see 7 side suit tricks needed to convert a slam to NT. You may prefer to have a different meaning for a 4 reply.
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#11 User is offline   Cyberyeti 

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Posted 2015-August-23, 05:04

View Poststeve2005, on 2015-August-01, 21:35, said:

if you want to use Gerber go 1N-4. Why show 5 and then Gerber you don't even know If you have a fit?
With 6+ and your only interested in keycards, use Texas then 4N.


Don't assume everybody plays Texas, we certainly don't. Splinter for us.

One thing I would say, if you don't use this jump as Gerber and don't play Texas, then use 1N-2-2-4 to ask for aces even if you don't otherwise play kickback (use 3 then 4 as exclusion).
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#12 User is offline   lycier 

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Posted 2015-August-23, 05:53

Splinter with slammish.
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#13 User is offline   lonesome31 

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Posted 2015-August-23, 15:52

Splinter of course.
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#14 User is offline   steve2005 

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Posted 2015-August-23, 18:37

View PostfromageGB, on 2015-August-23, 03:55, said:

I, but what advantage is there in Texas rather than Jacoby with a 6 card suit ace asking hand? .

So, you can use 1N-2-2-4N as quantitative INV to 6/6N with 5 balanced because your using Texas for all ace asking
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