IN THE DMZ

What is the De Militarized Zone (DMZ)? And where is it? The DMZ is the High Card Point (HCP) range between a 1 No Trump opener and a 2 No Trump opener
 
1 NT opener  15 - 17 HCP,s
DMZ is a 18, 19 HCP hand
2 NT opener   20, 21 HCP,s

And if you and your partner have agreed to raise the opening 1 No Trump range, then:
 

1 NT opener 16 - 18 HCP's
  DMZ is a 19, 20 point hand
 2 NT opener  21, 22 HCP,s

Note: there are always 2 HCP's between the 1 NT opening and the 2 NT opening; and these 2 High Card Points are the DMZ. 
        Now that you know what and where the DMZ is, how do you bid such a hand. Simple: open the bidding one of a suit just as you would normally do. Hopefully your partner has at least 6 points and can respond. If this response is a suit at the one level, then jump to 2 No Trump. This DMZ bid of 2 NT can be made with a singleton.

1. OPENER         RESPONDER
       1C                          1 H

       2 NT

2. OPENER         RESPONDER 
          1 H                 1 S

           2 NT

The opener in example 1 and example 2 above is in the DMZ. This bid is usually forcing to game in either No Trump or in a suit.
        If the responder bids 1 No Trump (6 -  9 points), then the opener rebids 3 NT. Example 3 below. 

3. OPENER       RESPONDER
          1 D                   1 NT 

          3NT 

4. OPENER         RESPONDER
        1 H                      2 C

        3 NT

And if the responder bids 2 of a lower ranking suit (10+ points), then the opener jumps to 3 No Trump. See example 4 above. In the last two examples the responder has the option to continue bidding. He can bid game in a suit or investigate slam possibilities.
        Of course if responder supports openers Major suit with a simple raise (6 - 9 points), then opener jumps to game in that Major. Example 5  below.

 5. OPENER     RESPONDER
          1 S                 2 S

         4 S

6. OPENER      RESPONDER 
         1 D                  2 D

3 NT/4 or 5 D

With a Minor suits raise, opener might try 3 NT or game in that minor. Example 6 above. 
        What if the responder bids a Major and the opener is in the DMZ with 4 card support for that Major? Easy, see example 7.

7.  OPENER          RESPONDER
          1 C                       1 H

           4 H

 QUIZ 34 IN THE DMZ 
  YOU  OPEN 1 D.WITH THE FOLLOWING HAND: 
S  A Q 5 2
H  A 6
D  K Q J 8 7
C  Q J 10
WHAT DO YOU REBID WHEN PARTNER RESPONDS:

  1. H _______  
  2. S _______  
  3. 1 NT  _______

  4. C _______ 

  5. D _______

 

THE BIDDING HAS GONE:
PARTNER             YOU
C      ====>        1 H

2 NT                          ?



 
WHAT DO YOU BID WITH THE FOLLOWING HANDS?

  6. S  7 6 
H  K Q 5 2 
D  J 9 8 7 
C  7 6 2 
8. S  9 8 5 
H  A J 8 4 3 
D  K 5 4
C  7 6 2 
 
7.

S   9 6 
H  A Q 5 2 
D  K Q J 8 7 
C  Q 10 4 

9.

S  9 8 5
H  A J 9 4 3 2 
D  K 5 4
C  8 

ANSWERS to Quiz 34

 

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