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Detail specifications 21BJ - Level 4

After an opening of 1 Club or 1 Diamond, the responder jumps in the other minor

After an opening of e 1 or 1 , the responder jumps in the other minor
This convention is now widely used and Kit recommends you should use it.
After, a minor opening and the opps have passed, with :
  • 5 or 6 cards in the opening minor
  • 8 to 11HCPs
  • No 4 cards major
  • bid a jump in the other minor
This support is more constructive than a preempt in the opening minor.
Careful ! to use it, you must have passed first.
SWNE
1 Carreau Pass
3 Trefle
9 Spades
7 Spades
6 Spades
5 Hearts
4 Hearts
9 Clubs
6 Clubs
Ace Diamonds
King Diamonds
Jack Diamonds
10 Diamonds
9 Diamonds
4 Diamonds
Problem E20907 3 This hand is worth more than a simple preempt at 3
 
SWNE
1 Carreau Pass
3 Carreau
9 Spades
6 Spades
7 Hearts
4 Hearts
Jack Clubs
7 Clubs
5 Clubs
Ace Diamonds
Jack Diamonds
10 Diamonds
9 Diamonds
5 Diamonds
4 Diamonds
Problem E20906 Small support bid with 5-7 HCPs
 
 
Examples
SWNE
1 Trefle Pass
1 Carreau
5 Spades
7 Hearts
4 Hearts
King Clubs
10 Clubs
9 Clubs
8 Clubs
3 Clubs
Ace Diamonds
King Diamonds
Jack Diamonds
10 Diamonds
5 Diamonds
Problem E20909 1 : transit via 1 before shwing support in . This promising hand is too strong for a direct support
 
SWNE
1 Carreau Pass
1 Coeur
King Spades
Queen Spades
5 Spades
10 Hearts
8 Hearts
6 Hearts
4 Hearts
6 Clubs
King Diamonds
Queen Diamonds
10 Diamonds
7 Diamonds
5 Diamonds
Problem E20905 1 . Even with a headless 4 cards major, you must bid it first !