Double a suit over 1NT

• Question 1 (of 5 on this page)

  You opened 1NT, which was immediately overcalled 2
  . Your partner doubled. What does he mean ?
  
  

  1. I have 2 unbid suits, Clubs and Daimonds
  2. I have 3 unbid suits, double for takeout.
  3. I've got strength to get them down.
  4. Keep bidding, I have general unspecific strength
  5. I'm re-instating transfers
  
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• Answer 1 (of 5 on this page)

  You opened 1NT, which was immediately overcalled 2
  . Your partner doubled. What does he mean ?
  
  

  ( 3 ). I've got strength to get them down.
  
  If he had general strength, he'd bid NT. If he had a suit, he'd bid it (or if he's advanced - he's use Lebensohl to re-instate competition, or to have a game investigaton). Any double after a 1NT bid is for penalties, even if not referring to the NT bid, as in this case.
  
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• Question 2 (of 5 on this page)

  So, after partner doubled the interfering bid that followed your NT, how many of the enemy suit does partner have ?
  
  

  1. 3
  2. 4
  3. 5
  4. 6
  
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• Answer 2 (of 5 on this page)

  So, after partner doubled the interfering bid that followed your NT, how many of the enemy suit does partner have ?
  
  

  ( 2 ). 4
  
  Or 3 very very good ones. He knows you are promising 2+, and LHO has 5.
  
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• Question 3 (of 5 on this page)

  And, after partner doubled the interfering bid that followed your NT, how many points does he have after doubling the overcall ?
  
  

  1. 6+
  2. 8+
  3. 10+
  4. 13+
  
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• Answer 3 (of 5 on this page)

  And, after partner doubled the interfering bid that followed your NT, how many points does he have after doubling the overcall ?
  
  

  ( 2 ). 8+
  
  He needs to be sure you've got 20-24 HCP altogether to be sure of getting them down. With 11+ he might be starting to think of game, rather than doubling.
  
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• Question 4 (of 5 on this page)

  So, after partner doubled the interfering bid that followed your NT, what's the worse thing that can happen ?
  
  

  
  
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• Answer 4 (of 5 on this page)

  So, after partner doubled the interfering bid that followed your NT, what's the worse thing that can happen ?
  
  

  ( 0 ).
  
  The bidding will be passed out, so the enemy will be doubled, and then if make their contract, which will be doubed into game, they'll take home 600+ points. You need to be careful about doubling a 2-level overcall in a Major suit.
  
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• Question 5 (of 5 on this page)

  What if the enemy overcall partner's 1NT with 2
  . Is that safe to pass ?
  
  

  1. always
  2. usually
  3. never
  4. depends
  
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• Answer 5 (of 5 on this page)

  What if the enemy overcall partner's 1NT with 2
  . Is that safe to pass ?
  
  

  ( 2 ). usually
  
  The overcall might mean a natural 5-card suit, just like any other overcall, though it's more likely to be a 6-card suit after a 1NT opening.
  
  Or it might mean they have few Clubs: if it's a Landy bid asking for partner's Major. In which case you might double the Club overcall if you are long in them and (having top Club honours) would like a Club lead against a Major contract. Keep in mind that you partner must have 2+ in every suit.
  
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