In third vulnerable and fourth hand
- 14-16 nt with normal Stayman.
- A weak NT hand in 3rd or 4th is optional to open in a suit at one level (also with 4 card major).
- Pass is no longer forcing with a weak NT after a major opening
In third hand not vulnerable
- 7-10 nt, all answers are natural and to play (optional to open non vs non)
- Dutch Dubbelton 1
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1 nt | Balanced (no 5/4 or 6 Major) | ??? |
1 nt Printversion