LESSON 4.7: JACOBY 2NT CONVENTION

a) The Jacoby 2NT convention is used to respond to partner's opening in one of a major

b) The Jacoby 2NT convention must be alerted

c)

Dealer: South

North

A J 5
Q J 8 3
K J 5 2
Q 9

South

West

North

East

1

Pass

?

 

2NT (13+ TP   4+ ) slam

The 2NT response over partner's major opening shows an opening hand with a four-card or more trump support

d)

Dealer: South

South

K 6 5
A K 9 7 3
5
A 9 6 5

South

West

North

East

1
?

Pass
 

2NT
 

Pass
 

3 (16+ TP   5+   1=) slam

A new suit by opener at the three level shows a singleton and interest for slam

e)

Dealer: South

South

K 8 6 5
A K 9 7 3

A 9 6 5

South

West

North

East

1
?

Pass
 

2NT
 

Pass
 

4 (16+ TP   5+   0=) slam

A new suit by opener at the four level shows a void and interest for slam

f)

Dealer: South

South

K 8 6
A K 9 7 3
10 2
A 9 6

South

West

North

East

1
?

Pass
 

1NT
 

Pass
 

4 (13-15 TP   5+ ) closing

With a minimum 13-15 point hand, without a singleton or a void, opener denies interest for slam by jumping to game

g)

Dealer: South

North

A J 5 2
Q J 8 3

A J 10 9 3

South

West

North

East

1
4

Pass
Pass

2NT
?

Pass
 

5 (16+ TP   4+   first-round control in ) slam

Responder invites to slam by declaring a first-round control in a new suit (an ace or a void)

h)

Dealer: South

South

K Q 6
A K 9 7 3
J 2
K 9 6

South

West

North

East

1
?

Pass
 

2NT
 

Pass
 

3 (16+ TP   5+ ) slam

With a strong 16-18 point hand, without a singleton or a void, opener shows interest for slam by rebidding his original major at the three level


i)

Dealer: South

North

A J 5 2
Q J 8 3
9 6
A Q 10

South

West

North

East

1
3

Pass
Pass

2NT
?

Pass
 

4 (16+ TP   4+   first-round control in ) slam

Responder accepts slam invitation by declaring a first-round control in a new suit (an ace or a void)

j)

Dealer: South

North

A Q 5
Q J 8 3
K 10
J 10 9 3

South

West

North

East

1
3

Pass
Pass

2NT
 

Pass
 

4 (13-15 TP    4+ ) closing

Responder shows a minimum hand by declaring game at his next turn to bid


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