BERGEN RAISES
Partner has opened with one of a major.
You have 4-card support.
Using Bergen you now have a choice of 4 bids.
1 0- 6 points……….bid 3 of the major
2 6- 9 points……….bid 3♣
3 10 -12 points………bid 3♦
4 13+ points……….bid 2NT
The last bid is Jacoby 2NT