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Detail specifications 32HS - Level 3 ★

Fourth position overcalls with a two-suiter

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Overcalling in fourth position doesn't obey the same rules as overcalling right after the opener...
Be careful ! Your partner has already passed, and may have a pathetic hand ! Pay attention to the vulnerability . Green vs Red, you shouldn't have less than: K108xx,KJ9xx,xx,x in the named suits.But, there is no upper limit !
Moreover, biddings have various significations. The meaning depends on the number of suits the opponents have named (1 or 2). Have different meanings :
  • cue-bid of the opener's suit
  • 2NT overcall

SWNE
1
Pass
2
2NT
4
7
4
A
Q
10
8
6
A
J
9
8
7
Quiz 2
NT is calling for the two weakest suits. The opponents have named only one suit !
 
SWNE
1
Pass
1
2NT
Q
J
10
9
4
2
3
A
K
10
9
8
7
Quiz 2
NT shows a 6-5 two suiter of the remaining suits (the opponents have named 2 suits)
 
 
Overcalls in fourth position : the opponents have named one suit only
  • Cue-bidding the opener's major shows a 5-5 (at least) two-suiter : ♣ and the other major
  • Cue-bidding the opener's minor shows a 5-5 ( at least) two-suiter : the two major suits
  • ♣ jump promises a 5-5 (at least) two-suiter : ♣ and the other major
  • ♦ jump promises a 5-5 (at least) two-suiter : ♦ and the other major
  • 2 NT shows a two-suiter :...the two weakest suits !

Problème E5405
2 ♣ Cue-bidding the opener's minor suit shows a major two-suiter when the opponents have only name one suit.
 
 
Overcalls in fourth position : the opponents have named two suits
  • Cue-bidding the opener's suit shows a 5-5 two-suiter of the remaining suits
  • 2 NT shows a two-suiter at least 6-5 in the remaining suits
  • Double shows a two-suiter 4 - 4 in the remaining suits

SWNE
1
Pass
1
2
3
K
Q
10
9
4
A
K
10
9
4
4
2
2 ♦ In fourth position, if two suits have already been bid, cue-bidding the opener's suit shows a 5-5 two-suiter in the remaining suits
 
 
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