[lycier]

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Here there is a fatal error ：
After 1♥,Gib E rebid 1nt showing 18-19hcp only with 11hcp in fact,and there is not any stopper in ♣,very strange.

[Bbradley62]

I see two problems here:
(1) East, on this particular hand, has an easy Pass over 1♥ since he's not interested in game with 11 opposite a passed hand.
(2) The system seems to have a hole, since East could hold ♠KJxx, ♥AKx, ♦Axxx, ♣xx. With this hand he would double 1♣, but then would not want to give up the possibility of game after pard's 1♥, and would be somewhat stuck for a rebid.

[steve2005]

Bbradley62 said:

0' post='793445']
I see two problems here:
(1) East, on this particular hand, has an easy Pass over 1♥ since he's not interested in game with 11 opposite a passed hand.
(2) The system seems to have a hole, since East could hold ♠KJxx, ♥AKx, ♦Axxx, ♣xx. With this hand he would double 1♣, but then would not want to give up the possibility of game after pard's 1♥, and would be somewhat stuck for a rebid.

(1♣)-D-(1♦)-D would be 4-4 in majors so 1♥ is 4+♥ and doesn't have 4♠ unless weak with 5♥

but I see your point over (1♣)-D-(Pass)-1♥-(Pass)

now 1♠ should be 4♠ NF and 2♠ is big hand with ♠. with only 4♠ and big hand you cuebid.

[1eyedjack]

Bbradley62, on 2014-May-12, 09:38, said:

(2) The system seems to have a hole, since East could hold ♠KJxx, ♥AKx, ♦Axxx, ♣xx. With this hand he would double 1♣, but then would not want to give up the possibility of game after pard's 1♥, and would be somewhat stuck for a rebid.

Personally I think that he SHOULD give up on the possibility of game if partner can bid nothing more encouraging than 1H. But I suppose that is rather beside the point, in that doubler need not be much stronger to show interest, regardless of whether or not you agree with me.

Just out of interest, what call do you recommend that doubler should make to show this hand?

[Bbradley62]

1eyedjack, on 2014-May-12, 11:30, said:

Just out of interest, what call do you recommend that doubler should make to show this hand?

I think I'm making this up as I go along, but it might be 1NT. If a direct 1NT is 15-18 with a club stopper, then this might show 15-18 without, on the theory that an unrebid club suit by opener is unlikely to be running very far. A hand that was too strong for a direct 1NT can do something more aggressive.

[steve2005]

1eyedjack, on 2014-May-12, 11:30, said:

Personally I think that he SHOULD give up on the possibility of game if partner can bid nothing more encouraging than 1H. But I suppose that is rather beside the point, in that doubler need not be much stronger to show interest, regardless of whether or not you agree with me.

Just out of interest, what call do you recommend that doubler should make to show this hand?

after (1♣)-X-(1♦)-1♥ with that nice hand I pass. there is no game

[Bbradley62]

Should the upper limit of West's 1♥ be lower than 12total, allowing East to pass more comfortably with a non-minimum double?

[1eyedjack]

Bbradley62, on 2014-May-13, 09:04, said:

Should the upper limit of West's 1♥ be lower than 12total, allowing East to pass more comfortably with a non-minimum double?

My view is that a limit jump response opposite the double should be about the same strength as without the further intervention over the double, and that a non-jump bid is then has an upper strength limited by failure to jump. The only difference from an uncontested auction is that I would expect 1H to have a lower limit that is rather higher than the 0TP required for a forced response in an uncontested auction.