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Super Natural 1D A less extreme version of Unbalanced 1D

#21 User is offline   perko90 

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Posted 2021-May-21, 22:34

View Postnullve, on 2021-May-18, 06:22, said:

With 18-19, 5D(332) I'm going to declare NT many, many times for each time it will be useful to show my fifth diamond in competition, so I'd rather open 1 and risk playing in a non-fit, just to avoid the information leakage and be able to stop in 1N.


I've used that treatment before when I was playing a simpler 1 structure and needed the 2NT rebid for another purpose. It worked ok.
But as long as I can fit it in, I like opening 1 when I have 5 of 'em.
It's not just for competitive situations. I'll also be much happier if the auction goes 1- swish. And there's also a possibility of finding a nice D slam that others may miss.
Also, while you often get to rebid 1NT with the big NT hand by starting with a short club and getting a T-Walsh response. There are sometimes where you have to rebid 2NT, too. (ex. 1-1*). Here, too, it's nice to rule out the possibility of a 5-card D suit.
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#22 User is offline   nullve 

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Posted 2021-May-22, 10:34

View Postperko90, on 2021-May-21, 22:34, said:

Also, while you often get to rebid 1NT with the big NT hand by starting with a short club and getting a T-Walsh response. There are sometimes where you have to rebid 2NT, too. (ex. 1-1*).

Not if you use the trick mentioned by helene_t many years ago:

1-1: does not contain a BAL invite opposite the split range 12-14 OR 18-19
1-1N: invite opposite the split range 12-14 OR 18-19 (Opener rejects/accepts with 12-14/18-19, respectively)

Then Opener can comfortably rebid 1N over 1-1 not only with 12-14 BAL but also with 18-19 BAL.

I hereby declare this to be part of Standard T-Walsh.
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