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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 :
Careful ! to use it, you must have passed first.
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
Careful ! to use it, you must have passed first.
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Problem E20907 3 ♣ This hand is worth more than a simple preempt at 3 ♦
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Problem E20906 Small support bid with 5-7 HCPs
Examples
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Problem E20909 1♦ : transit via 1 ♦ before shwing support in ♣ . This promising hand is too strong for a direct support
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Problem E20905 1 ♥. Even with a headless 4 cards major, you must bid it first !





