Dural Convention
Developed by Bekir Dural in order to rearrange Stayman and Transfer applications after the interference by the 1st opponent over 1 NT opennings. You can examine the following table for the applications.
Opener
1.Opponent
Responder
Explanation
1 NT
2 Clubs
- Double
- 2 Diamonds
- 2 Hearts
- 2 Spades
- 2 NT
- 3 Clubs
- Stayman
- Transfer to Hearts
- Transfer to Spades
- Transfer to Clubs
- Natural
- Transfer to Diamonds
1 NT
2 Diamonds
- Double
- 2 Hearts
- 2 Spades
- 2 NT
- 3 Clubs
- Transfer to Hearts
- Transfer to Spades
- Transfer to minors
- Natural, Diamond stoppers
- Stayman
1 NT
2 Hearts
- Double
- 2 Spades
- 2 NT
- 3 Clubs
- Transfer to Spades
- Transfer to minors
- Natural, Hearts stoppers
- Stayman
1 NT
2 Spades
- Double
- 2 NT
- 3 Clubs
- 3 Diamonds
- Transfer to minors
- Natural, Spade stoppers
- Stayman
- Transfer to Hearts
Before you apply this convention, you should ask the meaning of the overcall, because there are many different interference convention over 1 NT opennings. For example, where 2 Clubs overcall shows a long suited hand in Cappelletti, shows long majors in Multi-Landy or Trefl Landy.