S | W | N | E |
---|---|---|---|
1NT |
|||
Pass |
3NT |
X |
Pass |
Pass |
Pass |
| |||||||||||
| | | |||||||||
7 5 Q J 10 7 4 2 10 9 8 7 3 |
S | W | N | E |
---|---|---|---|
1NT |
|||
Pass |
2NT |
Pass |
3NT |
Pass |
Pass |
X |
Pass |
Pass |
Pass |
| |||||||||||
| | | |||||||||
K J 7 5 6 3 J 9 7 4 4 3 2 |
7♠ Opps haven't bid any suit. Double is asking for a lead in a major suit. Here, there is no ambiguity : with 2 low ♠ cards.