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responding to prec Nebulous 1d after dbl

#1 User is offline   Chamaco 

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Posted 2004-June-21, 17:34

Assume you play precision with nebulous 1 diamond including:
-13-15 (semi)balanced
-4441 (no diam sortness)
- any 54-55-45 in minors
- unbalanced with diamonds (5clubs+ 4M are opened 2)

what are your set of responses after opp double ?
E.g after
1-(Dbl)- ?

1) new suit at 1 level forcing or non forcing ?
2) new suit at 2 level = forcing or non forcing ?
3) any suggested meaning of jump bids (I usually use them as preemptive)
4) what is the suggested meaning of 1NT ?
5) Redoiuble is 10+ balanced or what ?
6) do you use conventional bids for good unbalanced hands in the minors (not suitable for redouble) ?

Finally, is there a thorough description available somewhere of what Meckwell use in this situation, besides their convention card ? Or do you have any info ?

thanks !! ;)

Mauro
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#2 User is offline   blahonga 

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Posted 2004-June-22, 03:46

This is cut-and-paste from Google groups, so I don't know how correct it is...

First answer:
> Just saw the by now pretty much well-known Meckwell-gadget 1D-(dbl)-rdbl
> transfer to hearts. I was wondering, how do they handle the business
> redoubles?

Pass, 4th hand bids something, opener will almost always pass unless he
has extreme distribution, pass, then start doubling.

Second answer:

Here's the Mechwell methods I've come across (certainly their
methods aren't tuned to penalize opponent's 1 level suit bid unless
they choose to Pass, awaiting a reopening Double):

1D-(X or overcall)
-XX H:4+card
-1H S:4+card
-1S 8+,balanced
-1N Clubs
-2C Invitational
-2D Round (H+C)
-2H 4=5 in majors, invitional
-2S 5=4 in majors, invitational
-3C Minors, mildly invitational
-3H/S Major length, game force

1H/S-(X or overcall)
-1N 6-10, Clubs
-2C 6-10, Diamonds
-2D 6-10, Hearts
-2N Limit raise
-3C Raise, Round (C + H)
-3D 7-9, 4+ Heart support
-3H/S Preemptive
-4C Splinter in opponents suit

1N-(X) if 1N is 9-12 or 13-16
-XX Round (C + H) or Pointed (D + S)
-P Round (C + H)
-(P)-XX No 5 card suit
-(Suit) 5+ card suit, natural
-Suit 5+ card suit (natural)

1N-(X) if 1N is 14-17
-XX 8+, Systems On

1N-(overcall)
-X Negative through 3S (Lebensohl)
-4D/H Transfer

/Mattias
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#3 User is offline   Free 

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Posted 2004-June-22, 05:20

Transfer advances after a Dbl seems the best imo. Gives you a lot more options to show your hands and find a nice contract.
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#4 User is offline   Chamaco 

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Posted 2004-June-24, 08:35

blahonga, on Jun 22 2004, 09:46 AM, said:

This is cut-and-paste from Google groups, so I don't know how correct it is...

Thanks Matthias ! :D

The scheme sounds interesting, so I have tried making my own serch on the internet on which are the sequences after the responses, but I had no luck.
There seems not to be much material on the questions that i list below.
After the transfer response, what is the policy of opener ?

1) should he ALWAYS accept the xfer ? In this case, if responder rebids, is he invitational even when making a weakish 2nd bid such as:
  • own suit rebid
  • raise pard suit
  • bid cheapest NT
How should one differentiate a 2nd round bid
a ) weak (especially if u are weak and have xferred into a 4 card suit)
b ) invitational (whether or not u xferred in a 5 bagger)
c ) GF (same: xfer in 4 or 5 bagger)

2) if opener does not have the obligation to accept the xfer, what does it mean if he(being limited to max 15) does not accept the xfer ?


Thanks all !! :)
"Bridge is like dance: technique's important but what really matters is not to step on partner's feet !"
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