Smolen

The basic idea of Smolen is to get strong 1 NT opener to declare. Responder has 5-4 or 4-5 in the majors or better.

1NT	Pass	2	Pass
2	Pass	3*	Pass

* Forcing with 5 or more spades and 4 hearts

1NT	Pass	2	Pass
2	Pass	3*

* Forcing with 5 or more hearts and 4 spades

With 6-4/7-4 when opener has bid 3NT after Smolen you then transfer into your 6 or 7 card suit

1NT	Pass	2	Pass
2	Pass	3	Pass
3NT	Pass	4*

* 4 is transfer to Spades