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Detail specifications 31ID - Level 2 ★

Preempt overcalls

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Preempt overcalls.
These require a maximum of 10HCP.The preempts are:
  • the 2 level jump overcall in a major,
  • overcalls at the 3rd, 4th and even 5th level in any suit,
  • 3NT which shows a 7-card independent minor,
  • 4NT which shows 2 mega minors

SWNE
1
2
Q
J
9
8
5
2
A
7
7
2
9
6
4
Problem E4405 2 ♠ A level 2 jump overcall in a major suit requires 6 cards and 6-9HCP. Here your preempt is the very lowest.
 
SWNE
1
1
A
10
8
7
6
5
A
J
9
5
4
9
6
Problem E4408 1 ♠ Avoid jumping to 2 ♠ when you hold 2 aces.
 
 
Jump overcalls at level 2 in a major suit.
This hand is roughly equivalent to that of a weak 2 opening with :
  • a strongish 6-card suit,
  • 6-9HCP,
  • without 4 cards in the other major, and not 2 aces.

SWNE
1
2
Q
J
9
8
5
2
A
7
7
2
9
6
4
Problème E4405
2 ♠ The level 2 jump overcall in a major requires 6 cards and 6-9HCP. Here your preempt is the very lowest possible.
 
SWNE
1
1
A
10
8
7
6
5
A
J
9
5
4
9
6
Problem E4408 1♠ Avoid jumping to 2 ♠ when you hold 2 aces.
 
 
Jump overcalls at the 3rd, 4th or 5th level in a suit
They show a maximum of 10HCP and a number of cards which increases with the level:
  • 7 cards at level 3
  • 8 cards at level 4
  • 9 cards at level 5

SWNE
1
3
Pass
Pass
J
4
K
Q
10
8
5
4
3
J
2
J
10
Problem E5392 3 ♥ With this beautiful 7-carder and nothing else, (your Js are worthless).
 
SWNE
1
5
6
A
10
6
4
K
Q
J
10
8
6
4
2
Problem 4128 5 ♦ Attack ! One card only in the majors...it never happens !Hoist the Jolly Roger to block the opponents and prevent them from finding a contract in a major suit. If it doesn't turn up good... 2 tricks down, even if the contract has been doubled, it's still worth the try !
 
 
3NT and 4NT overcalls
  • A 3NT overcall shows an independent 7-card minor
  • A 4NT overcall shows a mega 2-suiter with at least 5-5 in the minors.

SWNE
1
3NT
5
A
Q
A
K
Q
J
10
4
2
10
8
6
Problem E4125 3 NT. On a probable ♥ lead, you'll make 9 tricks. With another lead, you'll need your partner to give you a serious help. If you go down ... maybe your opponents would have made 4♠ !
 
SWNE
1
4NT
4
A
J
9
8
6
5
K
J
10
9
5
4
Problem E4312 4 SA A serious minor two-suiter...A serious attack against the major suits. If they wish to continue, your opponents have to bid at level 5 with very little information... Your partner perfectly knows what to expect.
 
 
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