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Bidding Sequence

edited March 2013 in All Things Bridge
Pls advise on the responder's response and the opener's 2nd bid on the following hand.
North South
S 754 S AKQ3
H KQJ72 H A4
D Q86 D AKJ105
C 92 C AK
S. 2C ( Acol) --N.2D ??
S. 3NT-------N. 4C ( Gerber )
S. 4D ( 0 or 4) N. 5C ( asking for Kings)
S. 5NT ( 3 Kings) N. 6NT

Alternatively Bidding sequence
S.2C ( Acol) N. 2H ??
S. 3NT ?? N. 6NT

Thank you Margaret Bleakley
At Duplicate one pair bid the Grand Slam and fortunately found the key card, Q D, in North's hand

Comments

  • edited 11:29AM
    Sorry, Hand featured on top left is North and top right is South
  • 7 5 4
    K Q J 7 2
    Q 8 6
    9 2

    A K Q 3
    A 4
    A K J 10 5
    A K

    Hands like the South hand are notoriously difficult to bid after a 2C start. The opening 2C bid starts the bidding at a high level and a positive response takes it higher still. The English Bridge Union's "Really Easy Moden Acol" suggests the following principles:

    a) the responder should not strain to give a positive response. Many pairs extend the 2D response to be 'negative or waiting' and responder may be better placed after opener's rebid

    b) if the responder does give a positive response in a suit, this should be based on a suit of at least five cards including two of the top three honours, i.e, KQxxx or better. The overall point count for a responder's positive should also be at least 8hcp

    c) Since a positive response shows at least 8hcp opposite opener's 23+hcp, an immediate positive response says slam is highly probable. To enable slams to be investigated properly some bidding space is needed, so a positive response not only forces to game, but should be played as forcing to at least 4NT. REMA gives an example of how this works: in the sequence 2C-2S (positive)- 3H-4H the responder has supported hearts at the first opportunity and has not made a limit bid. 4H is forcing. In the example opener continues by cue bidding 5C, and when responder only bids 5H, this at last can be passed.

    The REMA agreements about the minimum point count and minimum suit quality for a positive response to 2C make bidding the above pair of hands much easier. When North bids 2H, South can already envisage a combined 36hcp, which is getting up to grand slam territory. There are also no worries about controls as South has all the aces. South can continue with a natural 3D and when North supports diamonds by raising to 4D, this must be based on either diamond length or the queen of diamonds. In either case a direct bid of grand slam now looks the indicated action and of course this should be bid in NTs to give not only the best possible score but flexibility in play. The auction has therefore gone 2C-2H-3D-4D-7NT.

    Ned Paul
  • edited 11:29AM
    Of course the 'Team' response is not wrong but in my view overly complicating the question.

    25 HCP is potential game and 31 HCP is potential slam (depending upon shape / fit) and so after an opening of 2C responder should know whether he/she is going to try and stay as low as possible (< 2 points) or ensure that game or slam is not missed with >3 points or >8 points.

    One the hand in question responder has 8 HCP points giving a combined minimum of 31 HCP. Responder want to encourage partner to purse the question and the best way to do that is with a positive response. Fortunately in this case the answer is simple because responder has a 5 card suit. Responder bids 2 hearts. Opener hears the positive response and cannot conclude anything other than 8 HCP or less but with a void or other attractive feature and with (in this case) holding 28 HCP it is unequivocally a matter of what slam contract rather than game or slam. Opener will then go through Blackwood discover responder KH and end up in 6NT or 7NT.

    Clearly is better / easier to find the right contract if the stronger hand calls for Aces, also, to avoid possible confusion, responder would use Blackwood rather than Gerber after a club opening bid.
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