Exercise 3A81 Main


Interference After 1 NT


 by Richard Pavlicek

Partner opens 1 NT with neither side vulnerable.
As East, what is your response after each call by North?
Assume you do not play transfer bids.

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

1. None vul
Table S 10 8 6 4 2
H 4 3
D J 7 6 2
C 8 2

West
1 NT
North
?
East
?

What is your response if North passes? 

if North bids 2 C? 

if North bids 2 D? 

if North bids 2 H? 

if North doubles? 

2. None vul
Table S 9 6
H A Q 8 4
D 8 6 2
C K 10 9 3

West
1 NT
North
?
East
?

What is your response if North passes? 

if North bids 2 C? 

if North bids 2 D? 

if North bids 2 H? 

if North bids 2 S? 

Quit

Top Interference After 1 NT

3. None vul
Table S 8 5
H K 9 5 2
D Q 10 9 6 4
C 4 3

West
1 NT
North
?
East
?

What is your response if North passes? 

if North bids 2 C? 

if North bids 2 H? 

if North bids 2 S? 

if North doubles? 

4. None vul
Table S 9 7 2
H A 8 2
D K Q 10 9 7
C 4 2

West
1 NT
North
?
East
?

What is your response if North passes? 

if North bids 2 C? 

if North bids 2 D? 

if North bids 2 H? 

if North bids 2 S? 

Quit

Top Interference After 1 NT

5. None vul
Table S A 10 8 4
H 9 6 2
D K 8 4
C 8 6 5

West
1 NT
North
?
East
?

What is your response if North passes? 

if North bids 2 D? 

if North bids 2 H? 

if North bids 2 S? 

if North doubles? 

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

West
1 NT
North
?
East
?

What is your response if North passes? 

if North bids 2 C? 

if North bids 2 D? 

if North bids 2 H? 

if North bids 2 S? 

Quit

Top Interference After 1 NT

© 2012 Richard Pavlicek