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Detail specifications 432Z - Level 1

The responder, without a fit in a major, after an overcall

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Without a fit in the opener's major
  - PASS with less than 8HCP...and nothing to say
  - Without 4 cards in the other major and with stoppers in the overcalled suit : NT bids
  - From 8HCP and 4 cards in the other major Sputnik double
  - Suit shift with 11HCP and a nice 5 cards suit
  - Cue bid of the overcalled suit with 12+HCP.
SWNE
1
2
Pass
K
4
Q
J
9
4
Q
8
7
4
7
4
2
Problème E1250
PASS reluctantly. With a weak hand, do not use the Sputnik with only 2 cards in one of the unbid majors.
 
SWNE
1
2
Pass
7
4
2
4
3
A
K
10
9
7
7
6
5
Problème E1452
PASS ...Wisdom
 
 
ithout a fit in a major, NT responses
These bids deny 4 cards in the other major and guarantee 1 or 2 stoppers in the suit of the overcall:
  - 1NT with 6 - 10HCP(1 stopper is enough)
  - 2NT with 11-12HCP and 2 stoppers
  
SWNE
1
2
2NT
Q
9
5
K
10
A
J
10
8
J
10
9
8
Problème E4897
2 stoppers and 11HCP, 2NT game invite
 
SWNE
1
2
3NT
K
9
4
A
J
7
A
Q
9
10
9
7
4
Problème E1235
3NT with 14HCP and a double stopper in
 
 
Without a fit in the major, Sputnik
The responder's Sputnik double :
  4 cards in the other major, or...calling for the minors, if both majors were named.
  A minimum strength of 7-8HCP
SWNE
1
2
2
J
10
9
9
7
6
4
2
A
K
Q
10
8
A fit, a doubleton and 5 beautiful cards in
You can't just show support at 2 with such a hand : You may be missing out on a game Make a suit shift, which make the sequence forcing.
 
SWNE
1
1
X
A
10
9
8
A
J
9
7
7
2
9
6
5
Problème E1571
Sputnik for
 
 
Suit shift
Round forcing, This bid requires a nice 5+ cards suit and 10-11HCP
SWNE
1
2
3
4
2
7
A
K
Q
10
7
4
A
J
9
4
Problème E1455
This suit shift is forcingt forcing. Don't jump the gun.