Exercise 2H41 Main

Interference After 1 NT

by Richard Pavlicek

Fill in the missing calls for West and East.

Enter calls like this: P X R 1H 2C 3N 4S 6D

1. None vul
K 3
K Q 9 3
A K 8
Q 9 8 5 Table Q 10 9 6
A 2
9 7 6
J 10 4 2

2 Pass

2. N-S vul
K 3
A Q 8 4
A 7 2
A 8 4 2 Table A Q 8 4
K 9 7 2
8 5
9 7 6

2 Pass

Pass Pass

3. E-W vul
K 10 7
K 5
A Q 8 3
A 7 4 2 Table 5
A 9 8 6
K J 7 6 2
Q 8 3

2 Pass

Pass

4. Both vul
K 7
A J 8 2
K Q 8
A 8 5 4 Table J 10 9 8 3
7 3
9 6 5 4
K 3

2 Pass

Quit
Top Interference After 1 NT

5. None vul
A 9 7 4
Q J 8
A K 8
K 7 2 Table 2
K 7 2
9 7 6 5
Q J 10 9 5

2 Pass

6. N-S vul
K 10 2
Q 8 6
A 9 5 3
A K 8 Table A Q 9 7 4
3
8 6 2
Q J 7 2

2 Pass

Pass

7. E-W vul
A J 7
J 3
K Q 7
A Q 10 4 3 Table 10 8 2
K Q 9 6 4
8 3
K J 2

2 Pass

Pass

8. Both vul
A Q 2
A 6 2
J 9 6 2
K Q 8 Table K J 7 5
9 7 5
5 4 3
A 6 2

2 Pass

Quit
Top Interference After 1 NT

9. None vul
Q 7 2
K 10 9 2
A K 8
A 7 3 Table 8 4
A 8
J 7 6 5
K Q 10 8 2

2 Pass

10. N-S vul
A K 2
A 4
K J 10 8
J 9 7 4 Table 9 8 3
K 10 8 5
9 6
A 10 6 2

Dbl 2

Pass

11. E-W vul
K J 10 7
A 8 2
Q J 10
K Q 7 Table A Q 9 4
3
K 7 6 5
9 8 6 2

Dbl 2

Pass Pass

Pass

12. Both vul
A K 8 3
A 8 4 2
K Q 3
J 6 Table 5 2
9 7
8 6 4 2
Q 10 7 5 2

Dbl Pass

Quit
Top Interference After 1 NT

1.	None vul
K 3 K Q 9 3 A K 8 Q 9 8 5		Q 10 9 6 A 2 9 7 6 J 10 4 2

3.	E-W vul
K 10 7 K 5 A Q 8 3 A 7 4 2		5 A 9 8 6 K J 7 6 2 Q 8 3

4.	Both vul
K 7 A J 8 2 K Q 8 A 8 5 4		J 10 9 8 3 7 3 9 6 5 4 K 3

5.	None vul
A 9 7 4 Q J 8 A K 8 K 7 2		2 K 7 2 9 7 6 5 Q J 10 9 5

6.	N-S vul
K 10 2 Q 8 6 A 9 5 3 A K 8		A Q 9 7 4 3 8 6 2 Q J 7 2

7.	E-W vul
A J 7 J 3 K Q 7 A Q 10 4 3		10 8 2 K Q 9 6 4 8 3 K J 2

8.	Both vul
A Q 2 A 6 2 J 9 6 2 K Q 8		K J 7 5 9 7 5 5 4 3 A 6 2

9.	None vul
Q 7 2 K 10 9 2 A K 8 A 7 3		8 4 A 8 J 7 6 5 K Q 10 8 2

10.	N-S vul
A K 2 A 4 K J 10 8 J 9 7 4		9 8 3 K 10 8 5 9 6 A 10 6 2

11.	E-W vul
K J 10 7 A 8 2 Q J 10 K Q 7		A Q 9 4 3 K 7 6 5 9 8 6 2

12.	Both vul
A K 8 3 A 8 4 2 K Q 3 J 6		5 2 9 7 8 6 4 2 Q 10 7 5 2