LESSON 11.4: BLACKWOOD CONVENTION

a)

Dealer: South

South

A Q 7
K Q J 10 7 4
A Q J
J

South

West

North

East

1
?

Pass
 

3
 

Pass
 

4NT (22+ TP   5+ ) slam

The Blackwood convention is an ace-asking bid

b)

Dealer: South

North

Q 8 6
A 9 8 2
9 5
K J 9 8

South

West

North

East

1
4NT

Pass
Pass

3
?

Pass
 

5 (10-12 TP   4+   1 as) 1 round

Responses to the Blackwood convention

5 zero or four aces
5 one ace
5 two aces
5 three aces

see Volume 4 Roman Key Card Blackwood convention

c)

Dealer: South

South

A K 7
K Q J 10 7 4
K Q J
J

South

West

North

East

1
4NT
?

Pass
Pass
 

3
5
 

Pass
Pass
 

5 (22+ TP   5+ ) closing

Any bid lower than 5NT by the 4NT bidder requests partner to close the auction a the lowest level of the agreed trump suit

d)

Dealer: South

South

A 10 7
K Q J 10 7 4
A 10 4
A

South

West

North

East

1
4NT
?

Pass
Pass
 

3
5
 

Pass
Pass
 

5NT (22+ TP   5+ ) slam

The 5NT bid confirms a total of four aces for the partnership and inquires for kings

e)

Dealer: South

North

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

South

West

North

East

1
4NT
?

Pass
Pass
 

3
5
 

Pass
Pass
 

6 (10-12 TP   4+   1 king) slam

Responses to the Blackwood convention

6   zero or four kings
6   one king
6   two kings
6   three kings

f)

Dealer: South

North

K 8 6
A 9 8 7 5 2

J 9 8 4

South

West

North

East

1
?

Pass
Pass

4
4NT

Pass
 

6 (10-12 TP   4+   1 ace   0= ) 1 round


                      

Responses to the Blackwood convention with a void


                      

5NT two aces and an unspecified void 6 one ace and a void in clubs 6 one ace and a void in diamonds 6 one ace and a void in hearts 6 one ace and a void in spades


                      

The response must not be given in the trump suit or higher; see next hand for responses with a void in a suit ranking higher than the trump suit


                    

g)

Dealer: South

North


A 9 8 7 5 2
K 8 6
J 9 8 4

South

West

North

East

1
4NT

Pass
Pass

4
?

Pass
 

6 (10-12 TP   4+   1 ace    0=) 1 round

With one ace and a void, respond 6 if the void suit ranks higher than the trump suit

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