Adventures in the Swiss

All probs at IMPs, short matches.
  1. both vul, you hold

     S:xxxx H:x D:K1087xx C:Ax

    LHO CHO RHO You
    1S: 2C: 2S: Pass
    Pass2NT Pass?

    a) what does partner have?
    b) what do you do now?
    c) if you bid 3S:, partner bids 4H:. What then?

  2. both vul, you hold

     S:QJx H:A9xxx D:AKJ C:Ax
    Let's say you open 2NT. (Don't ask.)

    You CHO
    2NT 3C:
    3H: 3S: (artificial slam try confirming hearts)
    ?

  3. both vul, you hold

     S:Q H:D:J98x C:KJ109xxxx
    Let's say you open 4C:, natural.
    Partner bids 4D:. And you?

  4. unfavorable, you hold

     S:xx H:AQ9x D:AJ107 C:Jxx

    CHO RHO You LHO
    2S:* Dbl Pass3H:**
    PassPass ?

    * 9-11, six-card suit
    ** no lebensohl

  5. favorable, you hold

     S:K1032 H:1085 D:Q64 C:1054

    LHO CHO RHO You
    1H: Pass3S:* ?

    * heart raise, shortness in some unknown suit


Answers
Jeff Goldsmith, Dec. 16, 2009