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Detail specifications 31BJ - Level 2

Cappelletti overcalls after a 1NT opening

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Cappelletti overcalls after a 1NT opening are:
  • Double, which is punitive
  • 2 clubs shows a one suiter with 6+ cards
  • 2 diamonds (Landy convention) with the majors at least 5-4
  • 2 or 2 to show a 2 suiter with a 5 card in the major bid and a 5 cards minor
  • 2NT calling for the minors at least 5-5 (...preferably 6-5)

Don't forget to check who is vulnerable and that your distribution is more important than your HCP. Your honors should be concentrated in the suits signaled.
SWNE
1NT
Pass
A
Q
8
6
4
K
7
Q
7
5
Q
8
6
Problem E5477 PASS.. with your dispersed honors your hand is much too defensive to overcall .Everything would change if you had a singleton .
 
SWNE
1NT
2
7
K
Q
10
8
6
A
K
7
5
7
6
5
Problem E40146 2 An overcall of 2 or 2 shows a 2-suiter (5-5) with the major bid and an unnamed minor.
 
 
2 overcall and the following bids.
  • Partner bids a major depending on his strength. If weak, he bids his weakest major, if necessary the overcaller rectifies.
  • If he wants to know the overcaller's major, he bids 2NT.: The overcaller bids 3 for and 3 for and minimum points.
  • With maximum points the overcaller bids 3 for and 3 for ! (Be careful !)

SWNE
1NT
2
Pass
2
Pass
2
Pass
Pass
Pass
4
A
Q
J
9
8
4
7
4
2
A
Q
10
Problem E40147 2 this shows a 1-suiter (6+ cards).
 
SWNE
1NT
2
Pass
2
K
6
5
7
6
7
6
5
Q
7
6
5
4
Problem E40148 ? bid your longest major.
 
 
2NT signalling the minors
2NT shows a hand with 10 or so HCP and, preferably, 6-5 in the minors (the 1NT opener is more likely to have strong minors than majors...)In response to this overcall, Partner bids his best minor.
The DOUBLE : showing a long minor and a major of at least 4 cards. This overcall is much more frequent than the Landy or 2NT. See the corresponding information note.
SWNE
1NT
2NT
2
4
A
J
10
9
7
6
K
Q
10
9
8
2 NT showing the minors at least 5-5.
 
Q
J
7
3
Q
10
6
4
5
A
K
10
8
SWNE
1NT
2
4
A
K
8
7
5
K
Q
10
9
7
6
2
Problem E40150 2 This convention on a 1NT opening shows a a 2-suiter (at least 5-5) with and an unnamed minor
 
 
2
This is a very efficient and economic overcall promising
  • at least 5-4 in the majors
  • and opening points
The bidding after 2 CA:
  • 2 or 2 sign off in your longest major
  • 3 or 3 game invite in your longest major
SWNE
1NT
2
A
J
10
8
K
10
9
8
6
2
K
9
8
Problem E1504 2 to show your 2 major suits
 
SWNE
1NT
3
4
7
A
Q
J
10
8
6
5
K
10
9
6
3 to show your long suit and get in the way of the opps. 2 showing a 1-suiter is possible, but even if the opps do not bid, you'll still end up playing 3 from your hand