Question:
What do you know about declarer's hand (South) from this auction?
EW Vul.
| West | North | East | South |
|---|
| | | | 1 |
1 | Dbl | 2 | 3 |
| All Pass | | | |
Answer:
Click to Show AnswerDeclarer has 4 spades and 15-17 HCP. With any more and South could jump to game since North showed some values with the Negative Double.