Bergen Raise
First Round Response
1♠-?
2N
Jacoby 2NT
3♣
7~9, 4+♠, short somewhere.
3♦
10~12, 4+♠, no shortness.
3♥
7~9, 4+♠, no shortness.
3♠
3~7, 4+♠, promise better than one A if vul.
1♥ - ?
2♠
Jacoby 2NT
2N
7~9, 4+♥, short somewhere.
3♣
10~12, 4+♥, no shortness.
3♦
7~9, 4+♥, no shortness.
3♥
3~7, 4+♥, promise better than one A if vul.
Passed hand Response
P - 1♠; ?
2N
0~7, puppet to 3♣, one minor weak.
P - 1♥; ?
2♠
7~9, 4+♥, short somewhere.
2N
0~7, puppet to 3♣, one minor weak.
Other sequence
1♠ - 3♥; ?
3N
S/O.