Multi 2D Opening Bid
This shows either;
Responder assumes it is a weak 2 in the majors in the first instance.
Responses available are;
Where responder has bid a major, opener will usually pass or correct if he is a weak 2 or bid NT or a minor as cheaply as possible if he is strong. However, there are two sequences where a more elaborate scheme applies;
After 2D-2S
Opener with a weak 2 in spades passes. A strong balanced opener bids 2NT and a strong minor opener bids 3C/D. If opener has a weak 2 in hearts, he raises to 4H if maximal (8+) or else bids 3H.
After 2D-2NT
If the 2Ds LHO doubles, two new bids become available in addition to the normal scheme (which stays intact);
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This shows either;
- A weak 2 in the majors or;
- A balanced hand with 23-24 HCPs or;
- A strong, near game forcing, hand in one of the minors i.e 6 cards+, solid or near solid, 4-5 losers.
Responder assumes it is a weak 2 in the majors in the first instance.
Responses available are;
- 2H shows a hand with no interest in progressing further if opener has a weak 2 in hearts and which may or may not bid on if opener’s suit is spades.
- 2S shows a hand with no interest in progressing further if opener has a weak 2 in spades but is happy to play at the 3 level or higher in hearts.
- 2NT shows good hand (16+) and requires opener to bid again.
- 3C or 3D are natural and forcing. Opener will show his suit if weak (3H/S) or his type if strong (3NT, 4C/D).
- 3H is a pre-emptive raise in either hearts or spades. Opener passes or corrects or shows a strong type.
- 3S is natural and invitational.
- 3NT is to play, generally based on a long minor.
- 4C asks opener to set up a transfer to his major and declares at least some slam interest.
- 4D asks opener to bid his major and denies slam interest.
- 4H or 4S are to play.
Where responder has bid a major, opener will usually pass or correct if he is a weak 2 or bid NT or a minor as cheaply as possible if he is strong. However, there are two sequences where a more elaborate scheme applies;
After 2D-2S
Opener with a weak 2 in spades passes. A strong balanced opener bids 2NT and a strong minor opener bids 3C/D. If opener has a weak 2 in hearts, he raises to 4H if maximal (8+) or else bids 3H.
After 2D-2NT
- 3C shows a maximal (8+) weak 2 in hearts
- 3D shows a maximal weak 2 in spades
- 3H shows a sub-maximal weak 2 in hearts
- 3S shows a sub-maximal weak 2 in spades
- 3NT shows the strong balanced opening type
- 4 C/D shows the strong minor opening type.
If the 2Ds LHO doubles, two new bids become available in addition to the normal scheme (which stays intact);
- Pass shows a hand playable in diamonds
- Redbl asks partner to show his suit if weak or type if strong
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