Hanoi5 Posted November 21, 2008 Report Share Posted November 21, 2008 The sequence: 1M 1NT2NT is used by many partnerships to show a balanced 18-19 HCP hand, reserving 1M 1NT3NT to show a solid 6-card Major suit with 16-18 HCP. However, some people play the first sequence as showing a balanced hand with a strong no-trump range (which wasn't opened as 1NT because of the 5-card Major) and the second one for bal. 18-19 HCP. Is there any downside to playing this way? Is there a standard way of playing it? What does one way have over the other in terms of reaching bad contracts? Is the second version I described 'unplayable'? Quote Link to comment Share on other sites More sharing options...
P_Marlowe Posted November 21, 2008 Report Share Posted November 21, 2008 System? Meaning of 1NT, is it forcing, semi-forcing, nonforcing? With kind regardsMarlowe Quote Link to comment Share on other sites More sharing options...
Hanoi5 Posted November 21, 2008 Author Report Share Posted November 21, 2008 I assumed 2/1 GF system which needs a forcing No Trump structure. Quote Link to comment Share on other sites More sharing options...
han Posted November 21, 2008 Report Share Posted November 21, 2008 Yes there are the obvious downsides. Quote Link to comment Share on other sites More sharing options...
Hanoi5 Posted November 21, 2008 Author Report Share Posted November 21, 2008 So obvious you can't even mention them? Quote Link to comment Share on other sites More sharing options...
jdonn Posted November 21, 2008 Report Share Posted November 21, 2008 So obvious you can't even mention them? Responder doesn't get to show his hand. What shows a limit raise? What if he is very weak with a long minor, or a little stronger? What if he has 5 hearts and doesn't know if opener has 3? Quote Link to comment Share on other sites More sharing options...
Hanoi5 Posted November 21, 2008 Author Report Share Posted November 21, 2008 Responder doesn't get to show his hand. What shows a limit raise? Bidding 4 of the Major. What if he is very weak with a long minor, or a little stronger? You'll have to define a little stronger, but if he's weak he can jolly well bid his minor being non-forcing. What if he has 5 hearts and doesn't know if opener has 3? As Hearts are very important let's say 3m after 2NT is sign off but not 3♥, which would show the 10-12 hand with at least 5 hearts. Quote Link to comment Share on other sites More sharing options...
jdonn Posted November 21, 2008 Report Share Posted November 21, 2008 I meant over 3NT, if 3NT shows 18-19. It looks like you think I meant over 2NT? Quote Link to comment Share on other sites More sharing options...
Hanoi5 Posted November 21, 2008 Author Report Share Posted November 21, 2008 Over 3NT responder can pass. Any other bid at the 4 level would be forward going, meaning 10+. Quote Link to comment Share on other sites More sharing options...
cherdano Posted November 21, 2008 Report Share Posted November 21, 2008 So obvious you can't even mention them? How about - you can't show the hand with a solid major and 16-18 in the style you suggest, and - you might be too high with 15-17 opposite 6 hcp in 2NT?Are these obvious enough? Quote Link to comment Share on other sites More sharing options...
jdonn Posted November 21, 2008 Report Share Posted November 21, 2008 Over 3NT responder can pass. Any other bid at the 4 level would be forward going, meaning 10+. Why do I feel like this is going in circles a little. You ask what are the downsides to playing a 3NT rebid is 18-19 balanced. Say the auction goes 1♠ 1NT 3NT. - Responder can't show both a very weak hand with a minor, and a hand with a minor that might make game or slam.- Responder can't search for a heart fit.- Responder can't show a limit raise in spades abd a very weak raise where he meant to bid 1NT then 2♠. And those are just problems over the 3NT rebid itself. Cherdano lists other obvious problems. Quote Link to comment Share on other sites More sharing options...
InTime Posted November 22, 2008 Report Share Posted November 22, 2008 The 3NT rebid is a very space consuming bid. It should therefore be reserved to show a specific hand whatever you and you partner should agree on. After this bid, it is up to responder to place the final contract. What I have seen Richie Reisig training the juniors on BBO is that:1m/1M - 1Any3NT is describing a solid 6-card suit (minor or major) 18-19 pts.Regards Quote Link to comment Share on other sites More sharing options...
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