1

Nick name

1 heart  
  probablility of using this opening :
4,3%
Conditions
  • 5 card
  • 12-15hcp (25%) : 12-13 = min 14-15 = max
>>supplementary notes <<home
Responses   Rebid opener   Rebid partner  Rebid opener 
1

<10hp, 4+ card

naturel
   
 
1NT
 

     relay, start LOM
? length of
suit

2 2c , min  
2 3c , min
2 6c, min
2 4c , min
2NT sn , min
3 2c , max
3 3c , max
3 6c, max
3 4c , max
3NT sn , max
 
2  relay,
? controls in minors
 
2   control in , min  
2 6c , min
2 4c , min
2NT none or control in , min
3 control in , max
3 control in , max
3 6c , max
3 4c , max
 
2 <10hp, 5c, sn naturel  
2 <10hp, 2+c naturel
2 <10hp, 6c, sn naturel
2NT <10hp, 6c x 3 P/C
3x Inverted Bergen Raises naturel  
 
When getting overcalled ....
system OFF except for Inverted Bergen Raises
So, 1NT becomes natural ( 6-9hp)
(re)double 10+hp
2NT = 10-11 with stop in overcalling suit