jillybean, on Sep 16 2010, 04:31 PM, said:
- Partner will not have a trump trick or
- Opponents' ♠ will split 2-0 or
- RHO will turn up with a high ♣ instead of a high ♥ or
- On a slightly different layout, the field will play in 4♠ making. Your 5-level MP decision will be a choice between 5♦X-3 and 5♠=.

Help

(1♦) X (2♦) 4♠
(5♦) X (P) 5♠-50