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Detail specifications 61SD - Level 1 ★

Negative double

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Responder's double after an Opp's overcall
This X (negative double) promises :
  • 4 cards in a non-bid major,or minor suits if both majors have already been bid
SWNE
1
1
X
A
10
9
8
A
J
9
7
7
2
9
6
5
Problem E1571 DOUBLE a takeout double for ♥
 
SWNE
1
2
X
K
Q
J
9
K
10
7
4
4
3
7
6
2
Problem E1574 DOUBLE 9HCP and both majors with 4 cards it's the best bid possible !
 
 
Responder's takeout double
Points necessary for a negative double raises the bidding level :
  • at the one level, 7-8HCP are sufficient
  • at the 2 level, 8-9HCP are necessary
  • at the 3 level 9-10HCP obliged minimum

Be careful there's no maximum point requirement for a negative double
5
J
6
3
A
Q
9
8
A
K
8
6
4
SWNE
1
1
X
Q
10
8
4
A
K
9
7
7
3
9
5
2
Problem E5417 DOUBLE Text book problem : both majors with 4 cards and 9HCP !
 
SWNE
1
1
X
7
6
3
8
K
J
9
6
5
A
J
10
7
Problem E5143 DOUBLE For the minor suits when the 2 majors have been bid, one by Opener and the other by the Overcaller.
 
 
Negative double is often a good defense against preempts
Think and count your points !
SWNE
1
3
X
Q
J
9
7
4
4
3
A
9
3
K
10
7
Problem E4725 DOUBLE With points to go for Game, after Opp's preempt you can bid a takeout double. (3 ♠ would be Game forcing !)
 
 
The next bidding sequence
A
8
7
6
10
5
4
3
K
5
A
K
5
SWNE
1
1
X
Pass
2
Pass
Pass
5
3
K
J
9
6
A
8
6
4
3
7
2
Problem E8458 PASS After his double, South passes. Opener has shown a 1st zone hand - your team don't have the force for Game.
 
 
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