Home  Türkçe İçin Tıklayın

 

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.