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Detail specifications 12CG - Level 2 ★

The Opener's 2nd bid after a 2/1 response (2/1)

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Opener's 2nd bid after a 2/1 response.
After a 2/1 response, the responder becomes the leader for that auction, whereas, the opener’s role is typically that of a describer . After a major opening, bidding is now game forcing. The opening bid starts the description, and opener’s second bid—the rebid— provides a further opportunity to narrow down both the strength and distribution of the hand. Responder will then be well-placed to direct the partnership to the best contract.
SWNE
1
Pass
2
Pass
2
7
5
R
Q
J
9
3
A
J
9
4
7
4
Problem 40024: Bid 2♦. Partner may well have a 4-card ♥ suit.
 
SWNE
1
Pass
2
Pass
2
A
Q
9
7
5
2
10
3
A
7
4
Q
4
Problem 40018: Bid 2♠. You do not have 6 cards in ♥, nor a NT hand. Show your longest minor
 
 
With a regular hand
there are 3 types of rebids after the 2/1 response:
  • 1-2NT to is the most common , with a 5332 or 5422 shape. It shows a regular hand with either minimum (12-14HCP) or maximum (18+HCP)... with a 2nd zone hand (15-17) the opener would have bid 1NT...
  • 2- Rebid his suit at level 2 to show a 6 carder (6322) with any strength
  • 3- a suit shift
      at minimum level with a 5422 shape.

    • There’s no need to jump, since the partnership is already forced to game.
    SWNE
    1
    Pass
    2
    Pass
    2
    A
    Q
    7
    5
    A
    Q
    8
    6
    3
    7
    6
    7
    4
    Problem E40019: Playing 2/1, when the partnership is already forced to game, reverses do not require extra strength. The 2♠ bid might uncover a ♠ fit since partner might have 5 ♣s and 4 ♠s. Even if it doesn't, it shows partner where your strength lies so he can bid 3NT.
     
    SWNE
    1
    Pass
    2
    Pass
    2NT
    A
    K
    K
    Q
    J
    8
    3
    10
    9
    6
    Q
    J
    4
    Problem E40021 2NT Partner will know you are balanced, probably with a doubleton ♥
     
     
    With an unbalanced hand
    there are 3 types of rebid after the 2/1 response:
  • 1- Support in partner's suit with 4+ cards in partner's suit and any strength.
  • 2- Rebid his suit at level 2 to show a 6 carder (6331) with any strength...
  • 3- A suit shift
      at minimum level.... Strength can be shown in later bidding.

    • There’s no need to jump, since the partnership is already forced to game.
    SWNE
    1
    Pass
    2
    Pass
    3
    K
    Q
    J
    5
    2
    7
    3
    7
    A
    Q
    10
    5
    4
    Problem E40023 3♦You always show a second 5-card suit, even at the 3-level.
     
    SWNE
    1
    Pass
    2
    Pass
    2
    A
    9
    7
    5
    2
    A
    10
    9
    3
    7
    K
    Q
    10
    Problem 40018: Bid 2♥. Partner may well have a 4-card ♥ suit.
     
     
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