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natural 1NT in sandwich position

#1 User is offline   Free 

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Posted 2010-November-10, 04:05

Many top players suggest to play 1X-p-1Y-1NT as a natural 1NT overcall. I've seen all the arguments pro and con, so I don't want to start that discussion again.

What I do want to know is how you continue the auction? What is 2X, 2Y, 2 of a new suit, 2NT, 3 of a new suit, 3X, 3Y,...? (or do you just play system on?)
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#2 User is offline   WellSpyder 

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Posted 2010-November-10, 04:23

Depends on who I am playing with. In the one case where this is both fully documented and I can trust partner to remember what we have agreed then all bids are natural, including 2C, 2X and 2Y.
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#3 User is offline   Hanoi5 

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Posted 2010-November-10, 04:30

Unless you have a partner with good memory (assuming you have it, too) I'd recommend system on.

I don't like a natural 1NT in that position though. It's so rarely seen...

View Postwyman, on 2012-May-04, 09:48, said:

Also, he rates to not have a heart void when he leads the 3.


View Postrbforster, on 2012-May-20, 21:04, said:

Besides playing for fun, most people also like to play bridge to win


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#4 User is online   paulg 

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Posted 2010-November-10, 04:31

We play:

(1) - P - (1) - 1NT (P)

2 = natural,sign off
2 = stayman
2M = natural, sign off
2NT = invitational
3 = natural, invitational
3 = stop ask (typ 3316)
3M = shortage

(1m) - P - (1M) - 1NT (P)

2m = natural,sign off
2M = stayman
2OM = natural, sign off
2NT = invitational
3m = natural, invitational
3M = shortage

(1) - P - (1) - 1NT (P)

2m = natural,sign off
2 = stayman
2 = natural, sign off
2NT = invitational
3m = natural, invitational
3M = shortage
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I don't work for BBO and any advice is based on my BBO experience over the decades
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#5 User is offline   P_Marlowe 

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Posted 2010-November-10, 04:53

Hi,

System on.

Playing 2M as natural, even if the have shown 4 cards, is not uncommon,
in the seq.

1X - (Pass) - 1Y - ???

2X / Y - can be played as natural, and it gets played as natural.

With kind regards
Marlowe
With kind regards
Uwe Gebhardt (P_Marlowe)
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#6 User is offline   pes_6 

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Posted 2011-May-28, 08:24

If my partner isn't passed hand than 1nt is natural (15-17-balanced with stopper in both suit) and system is ON, if my partner is passed hand than 1nt overcall is sandwich with continues:

2 in new suit preference
2 in one of opponents suit, ask for stopper, forcing
2nt stops in both opponents suit, suggestion of contract
3 in new suit, pressing (4+ cards in bid suit)
3nt stops in both opponents suit, stop bid
4 in new suit, stop bid
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#7 User is offline   jogs 

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Posted 2011-May-29, 14:00

View Postpaulg, on 2010-November-10, 04:31, said:

We play:

(1m) - P - (1M) - 1NT (P)

2NT = invitational



If they haven't shaded their bids, your side can only have 22 HCP.
Why would you need an invitational bid?
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#8 User is offline   mgoetze 

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Posted 2011-May-29, 14:11

View Postjogs, on 2011-May-29, 14:00, said:

If they haven't shaded their bids, your side can only have 22 HCP.


Actually, 40-10-4=26. Welcome to the 21st century.
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#9 User is offline   gnasher 

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Posted 2011-May-29, 14:11

View Postjogs, on 2011-May-29, 14:00, said:

If they haven't shaded their bids, your side can only have 22 HCP.
Why would you need an invitational bid?


In the modern game, they could have 10 opposite 2.
... that would still not be conclusive proof, before someone wants to explain that to me as well as if I was a 5 year-old. - gwnn
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#10 User is offline   JLOGIC 

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Posted 2011-May-29, 14:28

View Postgnasher, on 2011-May-29, 14:11, said:

In the modern game, they could have 10 opposite 0.


FYP. Not sure why 2 vs 0 matters much in responding, I would probably rather have 0. I doubt anyone is passing with something like xxxx xxxxxx xxx --- over 1C p ?
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#11 User is offline   FrancesHinden 

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Posted 2011-June-01, 15:53

After 1X p 1Y 1NT P

if 1Y is natural (or shows a particular suit, such as a transfer response) then

- 2Y is a cue bid (usually looking for a fit in the other major)
- 2 any other suit natural and weak
- 2NT invitational
- 3suit natural and forcing, but that bit has never come up.

If 1Y is artificial (e.g. 1 polish club P 1D negative, or 1 short club P 1S no 4-card major) then
- 2C is Stayman/cue bid
- 2 anything else natural and weak
- 3C natural and weak
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#12 User is offline   aguahombre 

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Posted 2011-June-01, 16:32

View PostFrancesHinden, on 2011-June-01, 15:53, said:

If 1Y is artificial (e.g. 1 polish club P 1D negative, or 1 short club P 1S no 4-card major) then
- 2C is Stayman/cue bid
- 2 anything else natural and weak
- 3C natural and weak

Nice. Not having played against Polish and the 1S response denying a major very often, that scheme would not have occured to us until after we had been frozen out of our 4-4 major fit when advancer to the Sandwich NT did not have clear invite values. Now, we are prepared.

Don't look for sarcasm in the above, I am serious.
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#13 User is offline   nige1 

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Posted 2011-June-01, 16:39

Opportunities for a natural Sandwich 1N overcall are rare but I think it is a useful bid. System-on (e.g. Stayman and 4-suit transfers) works well. Your best contract may be in one of opponent's suits. Unless you are a professional or have a lot of time to devote to Bridge, I feel that adopting a new set of conventional responses is a waste of time and an unnecessary burden on memory..
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