Problems from the Chicago Nationals

Problems from the Chicago nationals...not too many decent bidding problems...lots of play and defense problems. Most are trick one decisions, so it shouldn't take forever to answer these.
  1. IMP Pairs, none vul

    S: 6543
    H: A842
    D: ---
    C: KQJ93
    S: KQJ1098
    H: Q109
    D: Q96
    C: 4

    LHO CHO RHO You
    1C: Pass1H: 2S:
    Pass4S: PassPass
    Dbl All Pass

    Opening lead is the H:7. Over to you.

  2. IMP Pairs, unfavorable

    S: xx
    H: AKxx
    D: AKxxx
    C: Qx
    S: A87xx
    H: Jxxx
    D: Qxx
    C: x

    LHO opens 3C: and all pass. Partner leads the S:K; you encourage. He continues with the C:A and C:K, all following. To trick four, he continues the S:Q. Over to you.

  3. Matchpoints, none vul.

    You deal yourself

     S:--- H:AJ8432 D:--- C:QJ87432

    What action do you take?

  4. MPs, unfavorable, you hold

     S:KQ532 H:K8 D:AKQ63 C:8

    CHO RHO You LHO
    PassPass1S: Pass
    Pass2C: 2D: 2H:
    2S: 3C: ?

  5. MPs, unfavorable

    S: 985
    H: Q854
    D: Q63
    C: J97
    S: K4
    H: A3
    D: 874
    C: AKQ654

    You LHO CHO RHO
    1C: Dbl Pass1S:
    1NT PassPass2S:
    2NT Pass3NT All Pass

    Do you approve of the bidding?

    T1: D:K-3-2-4
    T2: D:9-Q-10-8
    T3: C:7-2-A-3
    T4: C:4-8-J-10
    Over to you.

  6. MPs, none vul, you hold

     S:K84 H:AKQ2 D:AQ532 C:3

    CHO RHO You LHO
    1C: 1S: Dbl?4S:
    PassPass ?

    Do you agree with the negative double?
    What now?

  7. MPs, favorable, you hold

     S:AKQ95 H:AQ852 D:--- C:AJ9

    Partner opens 1S:.
    What's your plan?

  8. MPs, unfavorable, you hold

     S:AJ104 H:92 D:K643 C:K63

    2C:-2D:; 2NT (23-24)-?

  9. MPs, favorable

     S:A92 H:J64 D:743 C:K1084

    LHO CHO RHO You
    Pass1D: 2S: Pass
    PassDbl Pass3C:
    3S: All Pass

    What do you lead?

  10. MPs, favorable

     S:A3 H:KJ853 D:A C:K9875

    1H:-2H:; ?

  11. MPs, unfavorable

    S: 1062
    H: K54
    D: A9743
    C: J7
    S: Q4
    H: A9762
    D: Q10
    C: 9643

    Declarer Dummy
    1S: 2S:
    3D: (help suit) 4S:

    Partner leads the H:J. Small from dummy.
    What's your plan?

Answers
Jeff Goldsmith, jeff@tintin.jpl.nasa.gov, Aug. 12, 1998