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- MARVIN VS WEAK NOTRUMP OPENINGS
-
-
- Overcalls
-
- Simple overcalls have the same (artificial) meaning as against a
- strong notrump opening. See the previous chapter. Jump overcalls
- are preemptive, even in the reopening position.
-
-
- The Business Double
-
- The weak notrump opening is an overbid that should be penalized
- more often than it is. Anyone who contracts to take seven tricks
- at notrump with only 12-14 HCP (or even less) must be punished for
- impudence, lest it become a habit. The instrument for punishment
- is the penalty double.
-
- To double a weak notrump for penalties you need a hand that figures
- to take more tricks than the opening hand. This is not just a
- matter of points, but also of playing tricks, stoppers/entries, and
- opening lead considerations. You can double with 9 HCP when holding
- seven spades to the AKQ! A weak notrump opener should be able to
- take about four tricks, so you need 4-1/2 or more to double. A good
- strong suit is especially desirable, to make the opening lead an
- advantage rather than a disadvantage.
-
- This hand, with 14 HCP, is a pass over a 1NT opening that shows
- 12-14 HCP: S-A32 H-AK8 D-K542 C-764. Not enough playing tricks, few
- honor cards, no good lead. This hand, with 13 HCP, five playing
- tricks, many honors, and a good lead, is a minimum double: S-QJ1097
- H-AJ9 D-KJ8 C-J10. If the notrump opening shows 13-15 HCP, you need
- a slightly stronger minimum.
-
- If the hand contains a singleton, it is wise to have a little
- extra, especially if the singleton is higher ranking than any long
- suit you may have. Partner may bid the singleton, and you don't
- want to go to the three level with a doubtful hand. A simple
- (artificial) overcall may be a safer action with an unbalanced
- hand.
-
-
- Reopening Doubles
-
- A double in the reopening position must be stronger, considering
- that the notrump bidder is sitting over the doubler. Tenaces and
- isolated honors should be reduced in value, while sequences are
- desirable. A marginal double should have something in every suit,
- to support partner's opening lead (or runout bid). A singleton or
- void is particularly undesirable, since partner is sure to lead (or
- bid) the suit. If you do double with a very short suit, you should
- have a place to go if partner bids it.
-
- An alternative sort of reopening double is the artificial double,
- always used by a passed hand, or the "strong suit" double, both
- described in MARVIN VS STRONG NOTRUMP OPENINGS. There are two
- reasons for an alternative: 1) Penalty doubles with distributed
- strength are less frequent in this position, with the notrump
- bidder sitting over the doubler; 2) A third hand who passes a weak
- notrump opening will have some strength if their policy is to
- always bid with bad hands.
-
- I recommend playing both ways, choosing the approach that is suited
- to the opponents' methods. Double for penalties with distributed
- strength if they tend to pass 1NT with bad hands; otherwise use
- the type of reopening double you employ against strong notrumps.
- Needless to say, you have to ask about this before the bidding
- starts. If you are an unpassed hand and have forgotten to ask
- (asking at decision time would be unethical), assume they always
- respond with a bad hand and use one of the alternative doubles for
- reopening when third hand passes 1NT.
-
- The complete text of MARVIN VS WEAK NOTRUMP OPENINGS comprises
- eight single-spaced pages. It adds the following sections to the
- above material:
-
- Partner's Action After a Business Double
- -- Pass or bid?
-
- When the Opponents Run
- -- Can they escape?
-
- When an Escape Bid is Natural
- -- Is a double business or takeout?
-
- When There's a Natural Redouble
- -- Who should run?
-
- When the Escape Call is Conventional
- -- How to cope?
-
- After a Voluntary Takeout
- -- What to do when partner passes and third seat bids