Some Problems from the Atlanta Nationals

All IMPs.

1. none vul, you hold

    QJ98x K98xx x Qx

   LHO	CHO	RHO	You
   5	Dbl	Pass	?

2. favorable vul, you hold

    Q10xx Jxx xx KQJx

   LHO	CHO	RHO	You
   5	6	6	?

3. none vul, you hold

    Kx AQ10xxx — K987x

   You	LHO	CHO	RHO
   1	Pass	1NT	2
   2	Pass	4	4
   ?

   OK, maybe you bid 3 instead of 2. 2 worked out fine. Now what?

4. unfavorable vul, you hold

    J10 AQJ10xx Axx xx

   CHO	RHO	You	LHO
   1	Pass	1	2
   3	Pass	4	Pass
   Pass	4	?