The weak two opening
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The Weak Two

  This is a 6 card suit and usually 6-10 points. Openings of 2 and 2 are commonly played as weak just about everywhere. The weak 2 is the most popular choice in USA for those who do not play Flannery. There's nothing wrong with having a weak 2 opener, but does it really have much of a pre-emptive effect? I believe that there is a much better use for the bid. So here I'll concentrate on 2/♠ although everything is equally valid for a weak 2.  
2 This is a classic 2 opener. It's nice to have most of your points in your suit, and intermediates in the suit are also important.
KJ73 But 2 would be a poor opening with hand. It is not recommended to open a weak two when you have a 4 card major as you may miss a 4-4 or better fit with partner.

This is a fine 2 opener. It's one point shy of the minimum but the solidity of the suit is easily enough compensation.

K102 This hand, however, is a little too good and I would open 1 or else pass.
KJ10876 It's probably a matter of style, but I don't like to have a gap betwen my 1/ opening and my 2/opening. So I'll never pass and would open 1.
A2 In 3rd seat 2 would be acceptable as it's opposite a passed partner.
104 This hand is an example from the club it's owner opened 2.

This is a poor bid with 7 's and a 3 opener is correct (pre-empt to the limit).


Responses to a weak two opening

  When partner opens a weak two (say 6-9 points and a 6 card suit) we have options.  
  A raise to the 3-level is pre-emptive, usually with 3 card support. This is the only weak bid (RONF Raise Only Non-Forcing).  
  A raise to the 4-level may be anything. I could be a pretty strong hand or it could be a very weak hand with 4 card trump support. Only the bidder knows and he is in charge if the opponents bid anything.  
  A new suit is natural and forcing.  
  That leaves 2NT. In America it is common that 2NT asks for a feature, but I prefer the Ogust convention. Playing Ogust, 2NT is artificial and asks opener to specify how good his weak two is. So in reply to 2NT we have: -  
3 min points, poor suit
3 min points, good suit
3 max points, poor suit
3 max points, good suit
3NT AKQxxx in suit

3NT as AKQxxx is rather rare as we have max 10 pts, but if we do have this holding, partner needs to know.

Hand 1 Hand 2 Hand 3 Hand 4 Hand 5
AJ8653 642 AJ9542 J8 1064
54 KQJ862 A3 AKJ653 AKQ653
62 76 762 76 76
953 J5 J9 J95 72
  With these five hands, after our weak 2/♠ opening partner bid 2NT and we rebid: -  
Hand 1 3 min points, poor suit
Hand 2 3 min points, good suit
Hand 3 3 max points, poor suit
Hand 4 3 max points, good suit
Hand 5 3NT AKQxxx in suit
  Once responder has used Ogust, he may have enough information to either sign off in a partscore, 3NT or 4 of the major. Other bids, which are slam probes, are common to other sequences (cue bids, RKCB etc.) and are specified elsewhere.  
  Pattaya Bridge Club -
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